Safety Data Sheets | Revchem Composites

81224-1_SDS.pdf

by | Sep 27, 2025

PRO-SET LAM-224 Hardener
Safety Data Sheet
According to the Hazard Communication Standard (CFR29 1910.1200) HazCom 2012 and the Hazardous Products
Regulations (HPR) WHMIS 2015
Date of issue: 06/01/2015 Revision date: 01/25/2019 Version: LAM-224 -2019a

01/25/2019 EN (English) Page 1

SECTION 1: Identification

Identification
Product form : Mixtures
Product name : PRO-SET LAM-224 Hardener
Product code : LAM-224, LAM-224-1, LAM-224-2, LAM-224-3, LAM-224-4, LAM-224-5

Relevant identified uses of the substance or mixture and uses advised against
Recommended use : Curing agent for epoxy resins

Details of the supplier of the safety data sheet
Manufacturer
Gougeon Brothers, Inc
100 Patterson Ave.
Bay City, MI 48706 – U.S.A.
T 888-377-6738 or 989-684-7286
www.prosetepoxy.com

Emergency telephone number
Emergency number : CHEMTREC 1 (800) 424-9300
CHEMTREC International +1 (703) 527-3887 24 hr

SECTION 2: Hazard(s) identification

Classification of the substance or mixture
Acute Tox. 4 (Dermal)
Acute Tox. 4 (Inhalation)
Skin Corr. 1B
Eye Dam. 1
Skin Sens. 1
Repr. 2
Aquatic Acute 1
Aquatic Chronic 1

Label elements
Hazard pictograms (GHS) :

GHS05

GHS07

GHS08

GHS09

Signal word (GHS)
:
Danger
Hazard statements (GHS)
:
Harmful in contact with skin or if inhaled. Causes severe skin burns and eye damage. May cause an allergic skin reaction. Suspected of damaging
fertility or the unborn child. Very toxic to aquatic life. Very toxic to aquatic life with long lasting effects.
Precautionary statements (GHS)
:
Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Do not breathe dust, fume, gas,
mist, vapours, spray. Wash hands thoroughly after handling. Use only outdoors or in a well-ventilated area. Contaminated work clothing must not be
allowed out of the workplace. Avoid release to the environment. Wear protective gloves, protective clothing, eye protection, face protection. If
swallowed: rinse mouth. Do NOT induce vomiting. If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.
If inhaled: Remove person to fresh air and keep comfortable for breathing. If in eyes: Rinse cautiously with water for several minutes. Remove
contact lenses, if present and easy to do. Continue rinsing. If exposed or concerned: Get medical advice/attention. Immediately call a poison
center/doctor. If skin irritation or rash occurs: Get medical attention/advice. Take off contaminated clothing and wash it before reuse. Collect
spillage. Store locked up. Dispose of contents/container to hazardous or special waste collection point, in accordance with local, regional, national
and/or international regulation.

Other hazards
No additional information available

PRO-SET LAM-224 Hardener
Safety Data Sheet
According to the Hazard Communication Standard (CFR29 1910.1200) HazCom 2012 and the Hazardous Products Regulations (HPR) WHMIS 2015

01/25/2019 EN (English) 2/8

Unknown acute toxicity
No additional information available
SECTION 3: Composition/information on ingredients

Substance
Not applicable
Mixtures

Name Product identifier HPR %
1-Piperazineethanamine

(CAS No) 140-31-8 10 – 30
1,3-Benzenedimethanamine

(CAS No) 1477-55-0 10 – 30
4-tert-Butylphenol

(CAS No) 98-54-4 10 – 30
Trimethylhexamethylenediamine

(CAS No) 25620-58-0 10 – 30
Formaldehyde, oligomeric reaction products with phenol and m-phenylenebis(methylamine)

(CAS No) 57214-10-5 10 – 30
1,3-Propanediamine, N,N”-1,2-ethanediylbis-

(CAS No) 10563-26-5 5 – 10
Phenol, 4-nonyl-, branched

(CAS No) 84852-15-3 0.1 – 1.5

The exact chemical identity and/or exact percentage (concentration) of each ingredient may be held as confidential business information (CBI). Any
ingredient not disclosed in this section may have been determined not to be hazardous to health or the environment, or it may be present at a level
below its disclosure threshold..

SECTION 4: First aid measures

Description of first aid measures
First-aid measures after inhalation : If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult,
give oxygen. Immediately call a POISON CENTER or doctor/physician.
First-aid measures after skin contact : IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with
water/shower. Wash contaminated clothing before reuse. Immediately call a POISON CENTER
or doctor/physician.
First-aid measures after eye contact : In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. If easy to
do, remove contact lenses, if worn. Get medical attention immediately.
First-aid measures after ingestion : Immediately call a POISON CENTER or doctor/physician. Rinse mouth. Do NOT induce vomiting.

Most important symptoms and effects, both acute and delayed
Symptoms/injuries after inhalation : Harmful if inhaled. May cause respiratory tract irritation.
Symptoms/injuries after skin contact : Harmful in contact with skin. Causes severe burns. Symptoms may include redness, pain,
blisters. Repeated exposure to this material can result in absorption through skin causing
significant health hazard. May cause an allergic skin reaction.
Symptoms/injuries after eye contact : Causes serious eye damage. Symptoms may include discomfort or pain, excess blinking and
tear production, with marked redness and swelling of the conjunctiva. May cause burns.
Symptoms/injuries after ingestion : May be harmful if swallowed. May cause burns or irritation of the linings of the mouth, throat,
and gastrointestinal tract. May cause stomach distress, nausea or vomiting.

Indication of any immediate medical attention and special treatment needed
Symptoms may not appear immediately. In case of accident or if you feel unwell, seek medical advice immediately (show the label or SDS where
possible).
SECTION 5: Firefighting measures

Extinguishing media
Suitable extinguishing media : Foam. Carbon dioxide. Dry chemical.
Unsuitable extinguishing media : Do not use a heavy water stream.

Special hazards arising from the substance or mixture
Fire hazard : Products of combustion may include, and are not limited to: oxides of carbon, nitrogen oxides,
amines, ammonia, nitric acid, cyanides, aldehydes, nitrosamines. When mixed with sawdust,
wood chips, or other cellulosic material, spontaneous combustion can occur under certain
conditions. Heat is generated as the air oxidizes the amine. If the heat is not dissipated quickly
enough, it can ignite the sawdust.
Reactivity : No dangerous reaction known under conditions of normal use.

Advice for firefighters
Protection during firefighting : Keep upwind of fire. Wear full fire fighting turn-out gear (full Bunker gear) and respiratory
protection (SCBA).

PRO-SET LAM-224 Hardener
Safety Data Sheet
According to the Hazard Communication Standard (CFR29 1910.1200) HazCom 2012 and the Hazardous Products Regulations (HPR) WHMIS 2015

01/25/2019 EN (English) 3/8

SECTION 6: Accidental release measures

Personal precautions, protective equipment and emergency procedures
General measures : Use personal protection recommended in Section 8. Isolate the hazard area and deny entry to
unnecessary and unprotected personnel.
For non-emergency personnel
No additional information available
For emergency responders
No additional information available
Environmental precautions
Prevent from entering into soil, ditches, sewers, waterways and/or groundwater. See Section 12, Ecological Information.

Methods and material for containment and cleaning up
For containment : Contain and/or absorb spill with inert material (e.g. sand, vermiculite), then place in a suitable
container. Do not flush to sewer or allow to enter waterways. Use appropriate Personal
Protective Equipment (PPE). Do not absorb in sawdust, paper, cloth or other combustible
absorbents.
Methods for cleaning up : Scoop up material and place in a disposal container. Provide ventilation.

Reference to other sections
See section 8 for further information on protective clothing and equipment and section 13 for advice on waste disposal.
SECTION 7: Handling and storage

Precautions for safe handling
Precautions for safe handling : Obtain special instructions before use. Do not handle until all safety precautions have been
read and understood. Do not get in eyes, on skin, or on clothing. Do not breathe dust, fume,
gas, mist, vapours, spray. Do not swallow. Handle and open container with care. Use only
outdoors or in a well-ventilated area. Do not eat, drink or smoke when using this product. Use
personal protective equipment as required. When mixed with epoxy resin this product causes
an exothermic reaction, which in large masses, can produce enough heat to damage or ignite
surrounding materials and emit fumes and vapors that vary widely in composition and toxicity.
Hygiene measures : Launder contaminated clothing before reuse. Wash hands before eating, drinking, or smoking.
Contaminated work clothing should not be allowed out of the workplace.

Conditions for safe storage, including any incompatibilities
Storage conditions : Keep out of the reach of children. Keep container tightly closed. Store in dry, cool, well-
ventilated area. Protect from moisture. Storage temperature : 40 F (4 C) – 90 F (32 C).

SECTION 8: Exposure controls/personal protection

Control parameters

1-Piperazineethanamine (140-31-8)
Not applicable

1,3-Benzenedimethanamine (1477-55-0)
ACGIH ACGIH Ceiling (mg/m ) 0.1 mg/m
NIOSH NIOSH REL (ceiling) (mg/m ) 0.1 mg/m

4-tert-Butylphenol (98-54-4)
Not applicable

Trimethylhexamethylenediamine (25620-58-0)
Not applicable

Formaldehyde, oligomeric reaction products with phenol and m-phenylenebis(methylamine) (57214-10-5)
Not applicable

1,3-Propanediamine, N,N”-1,2-ethanediylbis- (10563-26-5)
Not applicable

Phenol, 4-nonyl-, branched (84852-15-3)
Not applicable

PRO-SET LAM-224 Hardener
Safety Data Sheet
According to the Hazard Communication Standard (CFR29 1910.1200) HazCom 2012 and the Hazardous Products Regulations (HPR) WHMIS 2015

01/25/2019 EN (English) 4/8

Exposure controls
Appropriate engineering controls : Use ventilation adequate to keep exposures (airborne levels of dust, fume, vapor, etc.) below
recommended exposure limits.
Hand protection : Wear chemically resistant protective gloves.
Eye protection : Wear approved eye protection (properly fitted dust- or splash-proof chemical safety goggles)
and face protection (face shield).
Skin and body protection : Wear suitable protective clothing.
Respiratory protection : In case of inadequate ventilation wear respiratory protection. Respirator selection must be
based on known or anticipated exposure levels, the hazards of the product and the safe
working limits of the selected respirator.
Environmental exposure controls : Maintain levels below Community environmental protection thresholds.
Other information : Do not eat, smoke or drink where material is handled, processed or stored. Wash hands carefully
before eating or smoking. Handle according to established industrial hygiene and safety practices.
SECTION 9: Physical and chemical properties

Information on basic physical and chemical properties
Physical state : Liquid

Appearance : No data available

Colour : Colourless

Odour : Ammonia

Odour threshold : No data available

pH : 11.4

Melting point : No data available

Freezing point : No data available

Boiling point : > 400 F (204 C) estimated based on similar product.

Flash point : > 200 F (93 C) estimated based similar product.

Relative evaporation rate (butylacetate=1) : No data available

Flammability (solid, gas) : Not flammable

Vapour pressure : < 1 mm Hg @ 20 C / 68 F (estimated based on ingredient data) Relative vapour density at 20 C : No data available Relative density : 1 Solubility : No data available Partition coefficient n-octanol/water : No data available Auto-ignition temperature : No data available Decomposition temperature : No data available Viscosity, kinematic : 75 mm /s @ 20 C / 68 F Viscosity, dynamic : No data available Explosive limits : No data available Explosive properties : No data available Oxidising properties : No data available Other information VOC content : LAM-125 / LAM-224: 3.60 g/L (0.03 lbs/gal); LAM-135 / LAM-224: 1.66 g/L (0.01 (lbs/gal) Bulk density : 8.34 lb/gal (1.00 kg/L) SECTION 10: Stability and reactivity Reactivity : No dangerous reaction known under conditions of normal use. Chemical stability : Stable under normal storage conditions. Possibility of hazardous reactions : No dangerous reaction known under conditions of normal use. A mass of more than one pound of product plus an epoxy resin will cause irreversible polymerization with significant heat buildup and pressure. Conditions to avoid : Heat. Incompatible materials. PRO-SET LAM-224 Hardener Safety Data Sheet According to the Hazard Communication Standard (CFR29 1910.1200) HazCom 2012 and the Hazardous Products Regulations (HPR) WHMIS 2015 01/25/2019 EN (English) 5/8 Incompatible materials : Acids. Oxidizing materials. Halogenated compounds. Hazardous decomposition products : May include, and are not limited to: oxides of carbon, nitrogen oxides, amines, ammonia, nitric acid, cyanides, aldehydes, nitrosamines, phenolics. SECTION 11: Toxicological information Information on toxicological effects 1-Piperazineethanamine (140-31-8) LD50 oral rat 2097 mg/kg LD50 dermal rabbit 866 mg/kg 1,3-Benzenedimethanamine (1477-55-0) LD50 oral rat 980 mg/kg LD50 dermal rabbit 2000 mg/kg LC50 inhalation rat 1.34 mg/l/4h 4-tert-Butylphenol (98-54-4) LD50 oral rat > 2000 mg/kg
LD50 dermal rat No data. Intraperitoneal mouse 78 mg/kg.
LC50 inhalation rat 5.6 mg/l Remarks: Nutritional and Metabolic: Weight loss or decreased weight gain

Trimethylhexamethylenediamine (25620-58-0)
LD50 oral rat 910 mg/kg

1,3-Propanediamine, N,N”-1,2-ethanediylbis- (10563-26-5)
LD50 oral rat 1200 mg/kg
LD50 dermal rabbit 190 – 210 mg/kg

Phenol, 4-nonyl-, branched (84852-15-3)
LD50 oral rat 1412 mg/kg

Acute toxicity (oral) : Not classified.
Acute toxicity (dermal) : Dermal: Harmful in contact with skin.
Acute toxicity (inhalation) : Inhalation: Harmful if inhaled.
Skin corrosion/irritation : Causes severe skin burns
Serious eye damage/irritation : Causes serious eye damage.
Respiratory or skin sensitization : May cause an allergic skin reaction.
Germ cell mutagenicity : Not classified.
Carcinogenicity : Not classified.
Reproductive toxicity : Suspected of damaging fertility or the unborn child.
STOT-single exposure : Not classified.
STOT-repeated exposure : Not classified.
Aspiration hazard : Not classified.

PRO-SET LAM-224 Hardener
Viscosity, kinematic (calculated value) (20 C /
68 F)
75 mm /s

Potential adverse human health effects and
symptoms
: Harmful in contact with skin. Harmful if inhaled.
Symptoms/injuries after inhalation : Harmful if inhaled. May cause respiratory tract irritation.
Symptoms/injuries after skin contact : Harmful in contact with skin. Causes severe burns. Symptoms may include redness, pain,
blisters. Repeated exposure to this material can result in absorption through skin causing
significant health hazard. May cause an allergic skin reaction.
Symptoms/injuries after eye contact : Causes serious eye damage. Symptoms may include discomfort or pain, excess blinking and
tear production, with marked redness and swelling of the conjunctiva. May cause burns.
Symptoms/injuries after ingestion : May be harmful if swallowed. May cause burns or irritation of the linings of the mouth, throat,
and gastrointestinal tract. May cause stomach distress, nausea or vomiting.
Other information : Likely routes of exposure: ingestion, inhalation, skin and eye.

PRO-SET LAM-224 Hardener
Safety Data Sheet
According to the Hazard Communication Standard (CFR29 1910.1200) HazCom 2012 and the Hazardous Products Regulations (HPR) WHMIS 2015

01/25/2019 EN (English) 6/8

SECTION 12: Ecological information

Toxicity
Ecology – general : Very toxic to aquatic life with long lasting effects.

1-Piperazineethanamine (140-31-8)
LC50 fish 1 1950 – 2460 mg/l (Exposure time: 96 h – Species: Pimephales promelas [flow-through])
EC50 Daphnia 1 32 mg/l (Exposure time: 48 h – Species: Daphnia magna)
LC50 fish 2 > 1000 mg/l (Exposure time: 96 h – Species: Poecilia reticulata [semi-static])

4-tert-Butylphenol (98-54-4)
LC50 fish 1 4.71 – 5.62 mg/l (Exposure time: 96 h – Species: Pimephales promelas [flow-through])
EC50 Daphnia 1 3.9 mg/l (Exposure time: 48 h – Species: Daphnia magna)
LC50 fish 2 6.9 mg/l (Exposure time: 96 h – Species: Cyprinus carpio [static])
EC50 Daphnia 2 3.4 – 4.5 mg/l (Exposure time: 48 h – Species: Daphnia magna [Static])

Phenol, 4-nonyl-, branched (84852-15-3)
LC50 fish 1 0.135 mg/l (Exposure time: 96 h – Species: Pimephales promelas [flow-through])
EC50 Daphnia 1 0.14 mg/l (Exposure time: 48 h – Species: Daphnia magna)
LC50 fish 2 0.1351 mg/l (Exposure time: 96 h – Species: Lepomis macrochirus [flow-through])

Persistence and degradability
PRO-SET LAM-224 Hardener
Persistence and degradability Not established.

Bioaccumulative potential
PRO-SET LAM-224 Hardener
Bioaccumulative potential Not established.

1-Piperazineethanamine (140-31-8)
BCF fish 1 (no bioaccumulation expected)
Partition coefficient n-octanol/water -1.48

4-tert-Butylphenol (98-54-4)
BCF fish 1 34 – 240
Partition coefficient n-octanol/water 2.44

Trimethylhexamethylenediamine (25620-58-0)
Partition coefficient n-octanol/water 0.77 (at 23 C)

Phenol, 4-nonyl-, branched (84852-15-3)
BCF fish 1 271

Mobility in soil
PRO-SET LAM-224 Hardener
Ecology – soil No additional information available.

Other adverse effects

Effect on the global warming : No known effects from this product.

Ingredient CAS# Ecotoxicity Classification Information
1-Piperazineethanamine

140-31-8 Acute Aquatic Cat. 3; Chronic Aquatic Cat. 3
1,3-Benzenedimethanamine

1477-55-0 Acute Aquatic Cat. 3; Chronic Aquatic Cat. 3
4-tert-Butylphenol

98-54-4 Acute Aquatic Cat. 2; Chronic Aquatic Cat. 2
Trimethylhexamethylenediamine

25620-58-0 Acute Aquatic Cat. 3; Chronic Aquatic Cat. 3
Formaldehyde, oligomeric reaction products with phenol and m-phenylenebis(methylamine)

57214-10-5 Acute Aquatic Cat. 1; Chronic Aquatic Cat. 1
1,3-Propanediamine, N,N”-1,2-ethanediylbis-

10563-26-5 Not classified
Phenol, 4-nonyl-, branched

84852-15-3 Acute Aquatic Cat. 1; Chronic Aquatic Cat. 1

Other information : Avoid release to the environment.

PRO-SET LAM-224 Hardener
Safety Data Sheet
According to the Hazard Communication Standard (CFR29 1910.1200) HazCom 2012 and the Hazardous Products Regulations (HPR) WHMIS 2015

01/25/2019 EN (English) 7/8

SECTION 13: Disposal considerations

Waste treatment methods
Product/Packaging disposal
recommendations
: Avoid release to the environment. This material must be disposed of in accordance with all
local, state, provincial, and federal regulations. The generation of waste should be avoided or
minimized wherever possible.
SECTION 14: Transport information

Department of Transportation (DOT) and Transportation of Dangerous Goods (TDG)
In accordance with DOT and TDG
UN-No.(DOT/TDG) : UN2735
Proper Shipping Name (DOT/TDG) : Polyamines, liquid, corrosive, n.o.s. (1,3-Benzenedimethanamine)
Class (DOT/TDG) : 8
Packing group (DOT/TDG) : II
Marine Pollutant : No

Transport by sea
In accordance with IMDG
UN-No. (IMDG) : 2735
Proper Shipping Name (IMDG) : POLYAMINES, LIQUID, CORROSIVE, N.O.S. (1,3-Benzenedimethanamine)
Class (IMDG) : 8
Packing group (IMDG) : II
EmS Number : F-A, S-B
Marine pollutant : Yes

Transport by sea
In accordance with IATA
UN-No. (IATA) : 2735
Proper Shipping Name (IATA) : Polyamines, liquid, corrosive, n.o.s. (1,3-Benzenedimethanamine)
Class (IATA) : 8
Packing group (IATA) : II
Marine pollutant : Yes
SECTION 15: Regulatory information

Federal regulations

All components of this product are listed, or excluded from listing, on the United States Environmental Protection Agency Toxic Substances
Control Act (TSCA) inventory.

All components of this product are listed, or excluded from listing, on the Canadian DSL (Domestic Substances List) and NDSL (Non-Domestic
Substances List) inventories.

Formaldehyde, oligomeric reaction products with phenol and m-phenylenebis(methylamine) (57214-10-5)
EPA TSCA Regulatory Flag P – P – indicates a commenced PMN substance.
XU – XU – indicates a substance exempt from reporting under the Inventory Update Reporting
Rule, i.e, Partial Updating of the TSCA Inventory Data Base Production and Site Reports (40
CFR 710(C)).

Phenol, 4-nonyl-, branched (84852-15-3)
Subject to reporting requirements of United States SARA Section 313
EPA TSCA Regulatory Flag SP – SP – indicates a substance that is identified in a proposed Significant New Uses Rule.
SARA Section 313 – Emission Reporting 1 %

International regulations
No additional information available

US State regulations

California Proposition 65 – This product does not contain any substances known to the state of California to cause cancer, developmental and/or
reproductive harm

PRO-SET LAM-224 Hardener
Safety Data Sheet
According to the Hazard Communication Standard (CFR29 1910.1200) HazCom 2012 and the Hazardous Products Regulations (HPR) WHMIS 2015

01/25/2019 EN (English) 8/8

1-Piperazineethanamine (140-31-8)
U.S. – New Jersey – Right to Know Hazardous Substance List
U.S. – Pennsylvania – RTK (Right to Know) List

1,3-Benzenedimethanamine (1477-55-0)
U.S. – New Jersey – Right to Know Hazardous Substance List
U.S. – Pennsylvania – RTK (Right to Know) List

Trimethylhexamethylenediamine (25620-58-0)
U.S. – New Jersey – Right to Know Hazardous Substance List

SECTION 16: Other information

Date of issue : 06/01/2015
Revision date : 01/25/2019
Other information : None.

NFPA health hazard : 3

NFPA fire hazard : 1
NFPA reactivity : 0

HMIS III Rating
Health : 3 Serious Hazard
Flammability : 1 Slight Hazard
Physical : 0 Minimal Hazard

Disclaimer: We believe the statements, technical information and recommendations contained herein are reliable, but they are given without warranty or guarantee of any kind. The information contained
in this document applies to this specific material as supplied. It may not be valid for this material if it is used in combination with any other materials. It is the user s responsibility to satisfy oneself as to the
suitability and completeness of this information for the user s own particular use.

81209Q_SDS.pdf

by | Sep 27, 2025

SAFETY DATA SHEET
Last Revised: 27FEB23

1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION

PRODUCT NAME: ……………………………………… WEST SYSTEM

209 Extra Slow Hardener
APPLICABLE PRODUCT CODE S: ………………. 209, 209SA, 209-SB, 209-SC, 209-SE, 209-SF, C209-SA, C209-SB, C209-SC, C209-SE,
C209-SF
CHEMICAL FAMILY: ………………………………….. Polyamine-polyamide blend.
INTENDED PRODUCT USES: ……………………… Curing agent for epoxy resins.
PRODUCT RESTRICTIONS: ……………………….. None identified.
SDS VERSION: …………………………………………. 209-2023a

MANUFACTURER: EMERGENCY TELEPHONE NUMBERS (24 HRS):
Gougeon Brothers, Inc. Transportation
100 Patterson Ave. CHEMTREC: ……………….. 800-424-9300 (U.S.)
Bay City, MI 48706, U.S.A. 703-527-3887 (International)
Phone: 866-937-8797 or 989-684-7286 Non-transportation
www.westsystem.com Poison Hotline: …………….. 800-222-1222

2. HAZARDS IDENTIFICATION

Classification of Substance or Mixture

Acute toxicity, Oral, Category 4
Skin corrosion/irritation, Category 1C
Skin sensitizer, Category 1
Eye damage/irritation, Category 1
Specific target organ toxicity (repeated exposure – oral), Category 2
Specific target organ toxicity (single exposure inhalation), Category 3
Acute aquatic toxicity, Category 2
Chronic aquatic toxicity, Category 2

Label Elements

Hazard Pictogram(s):

Signal Word:
DANGER

Hazard Statements:
H302 Harmful if swallowed
H314 Causes severe skin burns and eye damage
H317 May cause an allergic skin reaction
H335 May cause respiratory irritation
H373 May cause damage to organs through prolonged or repeated exposure if swallowed
H411 Toxic to aquatic life with long lasting effects

Precautionary Statements:
Prevention
P260 Do not breathe dust/fume/gas/mist/vapors/spray
P264 Wash hands thoroughly after handling
P270 Do not eat, drink or smoke when using this product
P271 Use only outdoors or in a well ventilated area
P272 Contaminated work clothing should not be allowed out of the workplace
P273 Avoid release to the environment
P280 Wear protective gloves/protective clothing/eye protection/face protection
Response
P301 + P330 + 331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse or wash skin with soap and water (or
shower).
P310 Immediately call a POISON CENTER or doctor
P313 + P333 If irritation or rash occurs: Get medical attention/advice
P362 + P364 Take of contaminated clothing and wash it before reuse
P304 + P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing
P305 + P351 + P338 + P310 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do.
Continue rinsing.
P391 Collect spillage

WEST SYSTEM

209 Extra Slow Hardener
Page 2 of 6 Last Revised: 27FEB23
Storage
P403 + P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
Disposal
P501 Dispose of contents and container according to local, state, national and International regulations

Other Hazards
None known.

3. COMPOSITION/INFORMATION ON HAZARDOUS INGREDIENTS

INGREDIENT NAME CAS # CONCENTRATION (%)
Fatty acids, C18-unsatd., dimers, polymers with tall oil fatty acids and
triethylenetetramine
68082-29-1 30-60
Methylenebiscyclohexanamine, 4,4 – 1761-71-3 10-30
Polyoxypropylenediamine 9046-10-0 10-30
Mixed cycloaliphatic amines 135108-88-2 7-30
Reaction products of MXDA with phenol and formaldehyde 57214-10-5 3-7
Benzene-1,3-dimethanamine 1477-55-0 1-5
Triethylenetetramine 112-24-3 1-5

The exact chemical identity and/or exact percentage (concentration) of each ingredient may be held as confidential business information
(CBI). Any ingredient not disclosed in this section may have been determined not to be hazardous to health or the environment, or it may
be present at a level below its disclosure threshold.

4. FIRST AID MEASURES

FIRST AID FOR EYES ……………………………………………………………… SYMPTOMS: Causes eye burns and eye damage. RESPONSE: Flush
immediately with water for at least 15 minutes. Remove contact lenses if present and easy to do. Immediately call a POISON CONTROL CENTER
or doctor.

FIRST AID FOR SKIN ………………………………………………………………. SYMPTOMS: Causes skin burns, redness and irritation. May cause allergic
skin reaction and sensitization. RESPONSE: Immediately wash skin with soap and water. Immediately call a POISON CONTROL CENTER or
doctor.

FIRST AID FOR INHALATION…………………………………………………… SYMPTOMS: Can cause respiratory irritation, shortness of breath or cough.
RESPONSE: Remove to fresh air if effects occur and keep comfortable for breathing.

FIRST AID FOR INGESTION …………………………………………………….. SYMPTOMS: May cause gastrointestinal irritation or ulceration. May
cause burns of the mouth and throat. Can enter the lungs and cause damage. RESPONSE: Rinse mouth with water. DO NOT induce
vomiting. If vomiting should occur, keep airway clear. Immediately call POISON CONTROL CENTER or doctor.

5. FIRE FIGHTING MEASURES

EXTINGUISHING MEDIA: ………………………………………………………… SUITABLE: Foam, carbon dioxide (CO2), dry chemical, sand, limestone
powder. NON-SUITABLE: Direct water stream.

FIRE AND EXPLOSION HAZARDS: ………………………………………….. During a fire, smoke may contain the original materials in addition to
combustion products of varying composition which may be toxic and/or irritating. Combustion products may include, but are not limited to: oxides
of nitrogen, carbon monoxide, carbon dioxide, volatile amines, ammonia, nitric acid, cyanides, aldehydes, nitrosamines. When mixed with
sawdust, wood chips, or other cellulosic material, spontaneous combustion can occur under certain conditions. Heat is generated as the air
oxidizes the amine. If the heat is not dissipated quickly enough, it can ignite the sawdust.

SPECIAL FIRE FIGHTING PROCEDURES: ………………………………… Use full-body protective gear and a self-contained breathing apparatus.
Use of water may generate toxic aqueous solutions. Do not allow water run-off from fighting fire to enter drains or other water courses.

6. ACCIDENTAL RELEASE MEASURES

EMERGENCY PROCEDURES : …………………………………………………. Keep unnecessary and unprotected personnel from entering area. Use
appropriate safety and personal protective equipment as indicated in Section 8.

MITIGATION AND CLEAN UP PROCEDURES: …………………………… Stop leak without additional risk. Isolate area. Dike and absorb with inert
material (e.g., sand) and collect in a suitable, closed container. Do not use sawdust, wood chips or other cellulosic materials to absorb the spill, as
the possibility for spontaneous combustion exists. Warm, soapy water may be used to clean residual.

ENVIRONMENTAL PRECAUTIONS: ………………………………………….. Prevent from entering into soil, ditches, sewers, waterways and
groundwater. See Section 12 for environmental impact information.

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7. HANDLING AND STORAGE

STORAGE TEMPERATURE (min./max.): …………………………………… 40 F (4 C) / 90 F (32 C).

STORAGE: …………………………………………………………………………….. Store in cool, dry place away from high temperatures and moisture. Keep
container tightly closed. Store in a secure location with restricted access or store locked up. Store away from incompatible materials listed in
Section 10.

HANDLING PRECAUTIONS: ……………………………………………………. Use with adequate ventilation. Do not breathe vapors or mists from heated
material. Avoid exposure to concentrated vapors. Avoid skin and eye contact. Wash thoroughly after handling. When mixed with epoxy resin
this product causes an exothermic reaction, which in large masses, can produce enough heat to damage or ignite surrounding materials and emit
fumes and vapors that vary widely in composition and toxicity.

8. EXPOSURE CONTROLS/PERSONAL PROTECTION

ENGINEERING CONTROLS: ……………………………………………………. Use with adequate general ventilation and/or local ventilation to keep
exposures below established limits..

EYE PROTECTION GUIDELINES: …………………………………………….. Chemical splash-proof goggles or face shield.

SKIN PROTECTION GUIDELINES: ……………………………………………. Wear liquid-proof, chemical resistant gloves (nitrile-butyl rubber, neoprene,
butyl rubber or natural rubber) and full body-covering clothing.

RESPIRATORY PROTECTION GUIDELINES: …………………………….. When ventilation cannot be made adequate enough to keep exposures
below established limits, use a NIOSH approved respirator with an organic vapor cartridge, organic vapor cartridge + P100, or a multi-contaminant
cartridge, depending on specific workplace conditions. Consult with your respirator and cartridge supplier to ensure proper selection of respirator
and cartridge based on ingredients listed in Section 3 and specific workplace conditions. Use and select a respirator according the guidelines
established in OSHA 1910.134 or other applicable respiratory protection standard.

ADDITIONAL PROTECTIVE MEASURES: ………………………………….. Use where there is immediate access to safety shower and emergency eye
wash. Wash thoroughly after use. Contact lens should not be worn when working with this material. Generally speaking, working cleanly and
following basic precautionary measures will greatly minimize the potential for harmful exposure to this product under normal use conditions.

OCCUPATIONAL EXPOSURE LIMITS: ……………………………………… Exposure limits may not be established for this product as a whole. For
established exposure limits of specific ingredients in this product, or other available exposure limit information, refer to the table below.

Ingredient Name CAS# Exposure Limit Information
Fatty acids, C18-unsatd., dimers, polymers with
tall oil fatty acids and triethylenetetramine
68082-29-1
No data available
Methylenebiscyclohexanamine, 4,4 – 1761-71-3 No data available
Polyoxypropylenediamine 9046-10-0 No data available
Mixed cycloaliphatic amines 135108-88-2 No data available
Reaction products of MXDA with phenol and
formaldehyde
57214-10-5 No data available
Benzene-1,3-dimethanamine 1477-55-0 ACGIH TLV: 0.1 mg/m
3
Ceiling; SKIN
Triethylenetetramine 112-24-3 AIHA WEEL: 1 ppm ; 6 mg/m3; SKIN

9. PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL FORM: ………………………………………………………………….. Liquid.
COLOR: ………………………………………………………………………………… Amber
ODOR: …………………………………………………………………………………… Ammonia-like
ODOR THRESHOLD: ………………………………………………………………. No data available
pH …………………………………………………………………………………………. 11.5
MELTING POINT / FREEZING POINT ………………………………………… No data.
BOILING POINT (760mm/Hg): ………………………………………………….. > 400 F (204 C) estimated based on similar product.
FLASH POINT: ……………………………………………………………………….. Estimated > 200

F (93 C) estimated based similar product.
AUTO IGNITION TEMPERATURE ……………………………………………… No data.
LOWER EXPLOSIVE LIMIT (LEL) ……………………………………………… No data.
UPPER EXPLOSIVE LIMIT (UEL) ……………………………………………… No data.
VAPOR PRESSURE ………………………………………………………………… < 1 mmHg @ 20 C (estimated based on ingredient data). SPECIFIC GRAVITY/DENSITY (water = 1)......................................... 0.96 BULK DENSITY.................................................................................. 7.99 lbs./gal. (0.96 kg/L) VAPOR DENSITY (air = 1) ................................................................. No data. EVAPORATIOIN RATE (Butyl Acetate = 1) ....................................... No data. WATER SOLUBILITY (% BY WT.) ..................................................... No data. PARTITION COEFFICIENT, n-OCTANOL/WATER (log Pow) ............ No data. KINEMATIC VISCOSITY: ................................................................... 67.3 (mm 2 /s @ 40 C) DECOMPOSITION TEMPERATURE : ................................................. No data available. % VOLATILE BY WEIGHT: ................................................................ ASTM 2369-07 was used to determine the Volatile Matter Content of mixed epoxy resin and hardener. The combined VOC content for the resin and hardener system is listed below. WEST SYSTEM 209 Extra Slow Hardener Page 4 of 6 Last Revised: 27FEB23 VOC Content Resin/Hardener (g/L) (lbs./gal) 105 / 209 .................................................................................... 19.3 0.16 10. STABILITY AND REACTIVITY STABILITY: ........................................................................................ Product is stable at normal temperatures and pressures. REACTIVITY/HAZARDOUS REACTIONS : ......................................... Product will not react by itself. A mass of more than one pound of product plus an epoxy resin will cause irreversible polymerization with significant heat buildup and pressure. INCOMPATIBILITIES: ........................................................................ Avoid acids, oxidizing materials, halogenated organic compounds (e.g., methylene chloride). Avoid nitrous acid, nitrites and atmospheres with high nitrous oxide concentrations. Avoid sodium hypochlorite (bleach) and peroxides. External heating or self-heating could result in rapid temperature increase and pressure build up. If such a condition were to occur in a drum, the drum could expand and rupture violently. CONDITIONS TO AVOID: .................................................................. Avoid excessive heat. DECOMPOSITION PRODUCTS: ........................................................ Very toxic fumes and gases when burned or otherwise heated to decomposition. Decomposition products may include, but not limited to: oxides of nitrogen, volatile amines, ammonia, nitric acid, cyanides, nitrosamines. 11. TOXICOLOGICAL INFORMATION Ingredient Name CAS# LD50 Oral LD50 Dermal LC50 Inhalation Fatty acids, C18-unsatd., dimers, polymers with tall oil fatty acids and triethylenetetramine 68082-29-1 No data No data No data Methylenebiscyclohexanamine, 4,4 - 1761-71-3 380 mg/kg >1000 mg/kg No data
Polyoxypropylenediamine 9046-10-0
2855 mg/kg

2980 mg/kg

>0.74 mg/L 8h mist
Mixed cycloaliphatic amines 135108-88-2 No data No data No data
Reaction products of MXDA with phenol and
formaldehyde
57214-10-5 No data No data No data
Benzene-1,3-dimethanamine 1477-55-0 930 mg/kg 2000 mg/kg 1.34 mg/L 4h mist
Tryiethylenetetramine 112-24-3 1716.2 mg/kg 805 mg/kg No data

ACUTE TOXICITY: ………………………………………………………………….. No specific toxicity data exists for this mixture. Classification is
based on acute toxicity estimation methods using ingredient data.
Oral: ……………………………………………………………………….. Category 4. Harmful if swallowed . May cause gastrointestinal
irritation or ulceration. May cause burns of the mouth and throat.
Dermal: …………………………………………………………………… Not classified. Does not meet classification criteria.
Inhalation:………………………………………………………………… Not classified. Does not meet classification criteria.

SKIN CORROSION / IRRITATION: …………………………………………….. Category 1C. Causes severe skin burns. Effects may be
immediate. May cause persistent irritation or dermatitis.

SERIOUS EYE DAMAGE / IRRITATION:…………………………………….. Category 1. Causes serious eye damage. May cause blurred
vision. May cause corneal damage resulting in vision impairment or even blindness.

RESPIRATORY SENSITIZATION : ……………………………………………… No data available.

SKIN SENSITIZATION:…………………………………………………………….. Category 1. May cause allergic skin reaction.

REPRODUCTIVE TOXICITY: …………………………………………………….. Not classified. Does not meet classification criteria.

MUTAGENICITY: …………………………………………………………………….. Not classified. Does not meet classification criteria.

CARCINOGENICITY: ……………………………………………………………….. Not classified. Does not meet classification criteria.

SPECIFIC TARGET ORGAN TOXICITY (Single Exposure): ………….. Category 3. May cause respiratory irritation.

SPECIFIC TARGET ORGAN TOXICITY (Repeated Exposure): …….. STOT RE Category 2. Repeated ingestion can result in damage to the
following organs/biological systems: liver, muscles, skeletal.

ASPIRATION HAZARD : …………………………………………………………… Not classified. Does not meet classification criteria.

OTHER HEALTH HAZARD INFORMATON : ………………………………… Aerosol or mist may be corrosive to the respiratory system. Severe
inhalation exposures can result in delayed lung damage.

12. ECOLOGICAL INFORMATION

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ACUTE AQUATIC TOXICITY :……………………………………………………. Category 2. Toxic to aquatic life. Calculated Estimate. No
specific test data available for the mixture.

CHRONIC AQUATIC TOXICITY : ……………………………………………….. Category 2. Toxic to aquatic life with long lasting effects.
Calculated Estimate. No specific test data available for the mixture.

PERSISTANCE AND BIODEGRADABILITY : ………………………………. No specific test data available for the mixture.

MOBILITY IN SOIL: …………………………………………………………………. No specific test data available for the mixture.

ADDITIONAL ECOTOXICITY INFORMATION: …………………………….. In the liquid, uncured state, this product may be harmful to
aquatic life with long lasting effects. Prevent release to the environment, sewers and natural waters.

Ingredient CAS# Ecotoxicity Classification Information
Fatty acids, C18-unsatd., dimers, polymers with tall oil fatty
acids and triethylenetetramine
68082-29-1 Chronic Aquatic 2
Methylenebiscyclohexanamine, 4,4 – 1761-71-3 Acute Aquatic Cat. 2; Chronic Aquatic Cat. 2
Polyoxypropylenediamine 9046-10-0 Acute Aquatic Cat. 3; Chronic Aquatic Cat. 2
Mixed cycloaliphatic amines 135108-88-2 Not classified
Reaction products of MXDA with phenol and formaldehyde 57214-10-5 Acute Aquatic Cat. 1; Chronic Aquatic Cat. 1
Benzene-1,3-dimethanamine 1477-55-0 Acute Aquatic Cat. 3; Chronic Aquatic Cat. 3
Tryiethylenetetramine 112-24-3 Not classified

13. DISPOSAL CONSIDERATIONS

WASTE DISPOSAL METHOD: ………………………………………………….. Evaluation of this product using RCRA criteria shows that it is not a
hazardous waste, either by listing or characteristics, in its purchased form. It is the responsibility of the user to determine proper disposal
methods.

Incinerate, recycle (fuel blending) or reclaim may be preferred methods when conducted in accordance with federal, state and local regulations.

14. TRANSPORTATION INFORMATION

US DOT
UN NUMBER: …………………………………………………………………………. UN 2735
SHIPPING NAME: ……………………………………………………………………. Polyamines, liquid, corrosive, n.o.s.
TECHNICAL SHIPPING NAME: …………………………………………………. Methylenebiscyclohexanamine, 4,4 –
HAZARD CLASS: …………………………………………………………………….. Class 8
PACKING GROUP: ………………………………………………………………….. PG III
MARINE POLLUTANT: …………………………………………………………….. No

CANADA TDG
UN NUMBER: …………………………………………………………………………. UN 2735
SHIPPING NAME: ……………………………………………………………………. Polyamines, liquid, corrosive, n.o.s.
TECHNICAL SHIPPING NAME: …………………………………………………. Methylenebiscyclohexanamine, 4,4 –
HAZARD CLASS: …………………………………………………………………….. Class 8
PACKING GROUP: ………………………………………………………………….. PG III
MARINE POLLUTANT: …………………………………………………………….. No

IMDG
UN NUMBER: …………………………………………………………………………. UN 2735
SHIPPING NAME: ……………………………………………………………………. Polyamines, liquid, corrosive, n.o.s.
TECHNICAL SHIPPING NAME: …………………………………………………. Methylenebiscyclohexanamine, 4,4 –
HAZARD CLASS: …………………………………………………………………….. Class 8
PACKING GROUP: ………………………………………………………………….. PG III
EmS Number: ………………………………………………………………………… F-A, S-B
MARINE POLLUTANT ……………………………………………………………… Yes

ICAO/IATA
UN NUMBER: …………………………………………………………………………. UN 2735
SHIPPING NAME: ……………………………………………………………………. Polyamines, liquid, corrosive, n.o.s.
TECHNICAL SHIPPING NAME: …………………………………………………. Methylenebiscyclohexanamine, 4,4 –
HAZARD CLASS: …………………………………………………………………….. Class 8
PACKING GROUP: ………………………………………………………………….. PG III
MARINE POLLUTANT: …………………………………………………………….. Yes

15. REGULATORY INFORMATION

COUNTRY INVENTORY LIST STATUS
United States TSCA All ingredients are listed or otherwise compliant.
Europe EINECS or ELINCS All ingredients are listed or otherwise compliant.
Canada CEPA (DSL/NDSL) All ingredients are listed or otherwise compliant.

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Australia AICS All ingredients are listed or otherwise compliant.
Japan ENCS All ingredients are listed or otherwise compliant.
South Korea KECI All ingredients are listed or otherwise compliant.
China IECSC All ingredients are listed or otherwise compliant.
Philippines PICCS All ingredients are listed or otherwise compliant.

US EPA TSCA Requirements: ………………………………………………….. No data available.

Canada WHMIS Confidential Business Information (CBI): ………….. No data available.

US EPA SARA TITLE III Reporting and Notification Requirements:
Subject to Section 302 (TPQ) ……………………………………………… No data available.
Subject to Section 304 (RQ) ……………………………………………….. No data available.
Subject to Section 311 or 312 …………………………………………….. Refer to the health and physical classifications in section 2.
Subject to Section 313 ………………………………………………………. No data available.

US STATE REGULATORY INFORMATION:
The following chemicals may be specifically regulated by individual states. For details on state regulatory requirements you should contact the
appropriate state agency.

COMPONENT NAME
/CAS NUMBER STATE CODE
Propylene oxide
75-56-9 < 0.001% 1 CA Benzene-1,3-dimethanamine 1477-55-0 MA, PA, NJ Triethylenetetramine 112-14-3 MA, PA, NJ 1. These substances are known to the state of California to cause cancer or reproductive harm, or both. 16. OTHER INFORMATION REASON FOR ISSUE:........................................................................ Updates to sections 3, 8, 11 & 15. PREPARED BY: ................................................................................. Gougeon Brothers, Inc. SDS CONTACT: ................................................................................. safety@gougeon.com TITLE: ................................................................................................ Health, Safety & Environmental Manager APPROVAL DATE: ............................................................................ February 27, 2023 SUPERSEDES DATE: ........................................................................ January 3, 2022 SDS VERSION: .................................................................................. 209-2023a OTHER HAZARD INFORMATION AND RATING SYSTEMS: HMIS RATING NFPA 704 CODES HEALTH: 3 FLAMMABILITY: 1 PHYSICAL HAZARD: 0 PERSONAL PROTECTION: Approximate HMIS and NFPA Risk Ratings Legend: 0 = Low or None; 1 = Slight; 2 = Moderate; 3 = Serious; 4 = Severe Information in this document is furnished without warranty, expressed or implied, except that it is accurate to the best knowledge of Gougeon Brothers, Inc. The data on this sheet is related only to the specific material designated herein. Gougeon Brothers, Inc. assumes no legal responsibility for use or reliance upon these data. 3 0 1

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