SAFETY DATA SHEET
NOROX
MEKP-900
Version
3.1
Revision Date:
06/21/2021
SDS Number:
600000000105
Date of last issue: 12/04/2019
Date of first issue: 10/04/2016
1 / 26
SECTION 1. IDENTIFICATION
Trade name
: NOROX
MEKP-900
Manufacturer or supplier’s details
Company name of supplier
: United Initiators, Inc.
Address
: 555 Garden Street
Elyria OH 44035 USA
Telephone
: +1-440-323-3112
Telefax
: +1-440-323-2659
Emergency telephone
: CHEMTREC US (24h): +1-800-424-9300
CHEMTREC WORLD (24h): +1-703-527-3887
E-mail address of person
responsible for the SDS
: cs-initiators.nafta@united-in.com
Recommended use of the chemical and restrictions on use
Recommended use
: Hardener
SECTION 2. HAZARDS IDENTIFICATION
GHS classification in accordance with the OSHA Hazard Communication Standard (29 CFR
1910.1200)
Flammable liquids
: Category 4
Organic peroxides
: Type D
Acute toxicity (Oral)
: Category 4
Acute toxicity (Inhalation)
: Category 4
Skin corrosion
: Category 1B
Serious eye damage
: Category 1
Reproductive toxicity
: Category 2
Short-term (acute) aquatic
hazard
: Category 2
GHS label elements
SAFETY DATA SHEET
NOROX
MEKP-900
Version
3.1
Revision Date:
06/21/2021
SDS Number:
600000000105
Date of last issue: 12/04/2019
Date of first issue: 10/04/2016
2 / 26
Hazard pictograms
:
Signal Word
: Danger
Hazard Statements
: H227 Combustible liquid.
H242 Heating may cause a fire.
H302 + H332 Harmful if swallowed or if inhaled.
H314 Causes severe skin burns and eye damage.
H361d Suspected of damaging the unborn child.
H401 Toxic to aquatic life.
Precautionary Statements
:
Prevention:
P201 Obtain special instructions before use.
P202 Do not handle until all safety precautions have been read
and understood.
P210 Keep away from heat/ sparks/ open flames/ hot surfaces.
No smoking.
P220 Keep/Store away from clothing/ strong acids, bases,
heavy metal salts and other reducing substances /combustible
materials.
P234 Keep only in original container.
P261 Avoid breathing dust/ fume/ gas/ mist/ vapors/ spray.
P264 Wash skin thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P273 Avoid release to the environment.
P280 Wear protective gloves/ protective clothing/ eye protection/
face protection.
Response:
P301 + P312 + P330 IF SWALLOWED: Call a POISON
CENTER/ doctor if you feel unwell. Rinse mouth.
P301 + P330 + P331 IF SWALLOWED: Rinse mouth. Do NOT
induce vomiting.
P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately
all contaminated clothing. Rinse skin with water/ shower.
P304 + P340 + P310 IF INHALED: Remove person to fresh air
and keep comfortable for breathing. Immediately call a POISON
CENTER/ doctor.
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. Immediately call a POISON
CENTER/ doctor.
P308 + P313 IF exposed or concerned: Get medical advice/
attention.
P363 Wash contaminated clothing before reuse.
P370 + P378 In case of fire: Use water spray, alcohol-resistant
foam, dry chemical or carbon dioxide to extinguish.
SAFETY DATA SHEET
NOROX
MEKP-900
Version
3.1
Revision Date:
06/21/2021
SDS Number:
600000000105
Date of last issue: 12/04/2019
Date of first issue: 10/04/2016
3 / 26
Storage:
P405 Store locked up.
P410 Protect from sunlight.
P411 + P235 Store at temperatures not exceeding < 100 F/ <
38 C. Keep cool.
P420 Store away from other materials.
Disposal:
P501 Dispose of contents/ container to an approved waste dis-
posal plant.
Other hazards
None known.
SECTION 3. COMPOSITION/INFORMATION ON INGREDIENTS
Substance / Mixture
: Mixture
Chemical nature
: Organic Peroxide
Liquid mixture
Components
Chemical name CAS-No. Concentration (% w/w)
dimethyl phthalate 131-11-3
>= 40 – < 45
2-Butanone, peroxide 1338-23-4
>= 30 – < 35
Trimethylpentanediol isobutyrate 6846-50-0
>= 20 – < 25
Butanone 78-93-3
>= 1 – < 5
Hydrogen peroxide 7722-84-1
>= 1 – < 5
Actual concentration is withheld as a trade secret
SECTION 4. FIRST AID MEASURES
General advice
: Move out of dangerous area.
Show this material safety data sheet to the doctor in
attendance.
Do not leave the victim unattended.
Symptoms of poisoning may appear several hours later.
Call a physician immediately.
If inhaled
: Call a physician or poison control center immediately.
If unconscious, place in recovery position and seek medical
advice.
Keep respiratory tract clear.
Call a physician immediately.
If breathed in, move person into fresh air.
SAFETY DATA SHEET
NOROX
MEKP-900
Version
3.1
Revision Date:
06/21/2021
SDS Number:
600000000105
Date of last issue: 12/04/2019
Date of first issue: 10/04/2016
4 / 26
In case of skin contact
: In case of contact, immediately flush skin with plenty of water
for at least 15 minutes while removing contaminated clothing
and shoes.
Wash contaminated clothing before re-use.
If on skin, rinse well with water.
If on clothes, remove clothes.
If symptoms persist, call a physician.
In case of eye contact
: Small amounts splashed into eyes can cause irreversible
tissue damage and blindness.
In the case of contact with eyes, rinse immediately with plenty
of water and seek medical advice.
Continue rinsing eyes during transport to hospital.
Remove contact lenses.
Protect unharmed eye.
Keep eye wide open while rinsing.
If eye irritation persists, consult a specialist.
If swallowed
: Keep respiratory tract clear.
Do NOT induce vomiting.
Call a physician immediately.
Rinse mouth thoroughly with water.
Most important symptoms
and effects, both acute and
delayed
: Harmful if swallowed or if inhaled.
Causes serious eye damage.
Suspected of damaging the unborn child.
Causes severe burns.
Protection of first-aiders
: First Aid responders should pay attention to self-protection
and use the recommended protective clothing
Notes to physician
: Treat symptomatically and supportively.
SECTION 5. FIRE-FIGHTING MEASURES
Suitable extinguishing media
: Water spray jet
Alcohol-resistant foam
Carbon dioxide (CO2)
Dry chemical
Unsuitable extinguishing
media
: High volume water jet
Specific hazards during fire
fighting
: Contact with incompatible materials or exposure to
temperatures exceeding SADT may result in a self-
accelerating decomposition reaction with release of flammable
vapors which may auto-ignite.
The product burns violently.
Flash back possible over considerable distance.
Vapors may form explosive mixtures with air.
SAFETY DATA SHEET
NOROX
MEKP-900
Version
3.1
Revision Date:
06/21/2021
SDS Number:
600000000105
Date of last issue: 12/04/2019
Date of first issue: 10/04/2016
5 / 26
Cool closed containers exposed to fire with water spray.
Specific extinguishing meth-
ods
: Do not use a solid water stream as it may scatter and spread
fire.
Remove undamaged containers from fire area if it is safe to do
so.
Use water spray to cool unopened containers.
Further information : Collect contaminated fire extinguishing water separately. This
must not be discharged into drains.
Fire residues and contaminated fire extinguishing water must
be disposed of in accordance with local regulations.
Use extinguishing measures that are appropriate to local
circumstances and the surrounding environment.
Special protective equipment
for fire-fighters
: Wear self-contained breathing apparatus for firefighting if
necessary.
Use personal protective equipment.
SECTION 6. ACCIDENTAL RELEASE MEASURES
Personal precautions, protec-
tive equipment and emer-
gency procedures
: Use personal protective equipment.
Remove all sources of ignition.
Follow safe handling advice and personal protective
equipment recommendations.
Beware of vapors accumulating to form explosive
concentrations. Vapors can accumulate in low areas.
Never return spills in original containers for re-use.
Treat recovered material as described in the section "Disposal
considerations".
Environmental precautions
: Prevent product from entering drains.
Prevent further leakage or spillage if safe to do so.
If the product contaminates rivers and lakes or drains inform
respective authorities.
Methods and materials for
containment and cleaning up
: Contact with incompatible substances can cause
decomposition at or below SADT.
Clear spills immediately.
Suppress (knock down) gases/vapors/mists with a water spray
jet.
To clean the floor and all objects contaminated by this
material, use plenty of water.
Soak up with inert absorbent material.
Isolate waste and do not reuse.
Non-sparking tools should be used.
Local or national regulations may apply to releases and
disposal of this material, as well as those materials and items
employed in the cleanup of releases. You will need to
determine which regulations are applicable.
SAFETY DATA SHEET
NOROX
MEKP-900
Version
3.1
Revision Date:
06/21/2021
SDS Number:
600000000105
Date of last issue: 12/04/2019
Date of first issue: 10/04/2016
6 / 26
SECTION 7. HANDLING AND STORAGE
Technical measures
: See Engineering measures under EXPOSURE
CONTROLS/PERSONAL PROTECTION section.
Advice on protection against
fire and explosion
: Keep away from heat and sources of ignition.
Use only explosion-proof equipment.
Keep away from combustible material.
Advice on safe handling
: Do not swallow.
Do not breathe vapors/dust.
Avoid contact with skin and eyes.
Avoid formation of aerosol.
Take precautionary measures against static discharges.
Never return any product to the container from which it was
originally removed.
Provide sufficient air exchange and/or exhaust in work rooms.
Avoid confinement.
Keep away from heat, hot surfaces, sparks, open flames and
other ignition sources. No smoking.
Smoking, eating and drinking should be prohibited in the
application area.
Wash thoroughly after handling.
For personal protection see section 8.
Protect from contamination.
Conditions for safe storage
: Avoid impurities (e.g. rust, dust, ash), risk of decomposition.
Electrical installations / working materials must comply with
the technological safety standards.
Containers which are opened must be carefully resealed and
kept upright to prevent leakage.
Store in original container.
Keep containers tightly closed in a cool, well-ventilated place.
Store in accordance with the particular national regulations.
Materials to avoid
: Keep away from strong acids, bases, heavy metal salts and
other reducing substances.
Recommended storage tem-
perature
: < 100 F
< 38 C
Further information on stor-
age stability
: No decomposition if stored normally.
SECTION 8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Ingredients with workplace control parameters
Components CAS-No. Value type
(Form of
Control parame-
ters / Permissible
Basis
SAFETY DATA SHEET
NOROX
MEKP-900
Version
3.1
Revision Date:
06/21/2021
SDS Number:
600000000105
Date of last issue: 12/04/2019
Date of first issue: 10/04/2016
7 / 26
exposure) concentration
dimethyl phthalate 131-11-3 TWA 5 mg/m3 ACGIH
TWA 5 mg/m3 NIOSH REL
TWA 5 mg/m3 OSHA Z-1
TWA 5 mg/m3 OSHA P0
2-Butanone, peroxide 1338-23-4 C 0.2 ppm ACGIH
C 0.2 ppm
1.5 mg/m3
NIOSH REL
C 0.7 ppm
5 mg/m3
OSHA P0
Butanone 78-93-3 TWA 200 ppm ACGIH
STEL 300 ppm ACGIH
TWA 200 ppm
590 mg/m3
NIOSH REL
ST 300 ppm
885 mg/m3
NIOSH REL
TWA 200 ppm
590 mg/m3
OSHA Z-1
TWA 200 ppm
590 mg/m3
OSHA P0
STEL 300 ppm
885 mg/m3
OSHA P0
Hydrogen peroxide 7722-84-1 TWA 1 ppm ACGIH
TWA 1 ppm
1.4 mg/m3
NIOSH REL
TWA 1 ppm
1.4 mg/m3
OSHA Z-1
TWA 1 ppm
1.4 mg/m3
OSHA P0
Biological occupational exposure limits
Components CAS-No. Control
parameters
Biological
specimen
Sam-
pling
time
Permissible
concentra-
tion
Basis
Butanone 78-93-3 methyl ethyl
ketone
Urine End of
shift (As
soon as
possible
after
exposure
ceases)
2 mg/l ACGIH
BEI
Engineering measures : Minimize workplace exposure concentrations.
Personal protective equipment
Respiratory protection
: In the case of dust or aerosol formation use respirator with an
approved filter.
Filter type
: ABEK-filter
Hand protection
SAFETY DATA SHEET
NOROX
MEKP-900
Version
3.1
Revision Date:
06/21/2021
SDS Number:
600000000105
Date of last issue: 12/04/2019
Date of first issue: 10/04/2016
8 / 26
Material : butyl-rubber
Break through time : 480 min
Glove thickness : 0.5 mm
Material : Nitrile rubber
Break through time : < 30 min
Glove thickness : 0.4 mm
Remarks
: Choose gloves to protect hands against chemicals depending
on the concentration and quantity of the hazardous
substance and specific to place of work.
For special applications, we recommend clarifying the
resistance to chemicals of the aforementioned protective
gloves with the glove manufacturer. Wash hands before
breaks and at the end of workday.
Eye protection
: Tightly fitting safety goggles
Please wear suitable protective goggles. Also wear face
protection if there is a splash hazard.
Ensure that eyewash stations and safety showers are close
to the workstation location.
Skin and body protection
: Select appropriate protective clothing based on chemical
resistance data and an assessment of the local exposure
potential.
Hygiene measures
: Keep away from food and drink.
When using do not eat or drink.
When using do not smoke.
Wash hands before breaks and immediately after handling
the product.
SECTION 9. PHYSICAL AND CHEMICAL PROPERTIES
Appearance
: liquid
Color
: colorless
Odor
: slight
pH
: No data available
Melting point/range
: No data available
Boiling point/boiling range
: Decomposition: Decomposes below the boiling point.
SAFETY DATA SHEET
NOROX
MEKP-900
Version
3.1
Revision Date:
06/21/2021
SDS Number:
600000000105
Date of last issue: 12/04/2019
Date of first issue: 10/04/2016
9 / 26
Flash point
: 76 C
Evaporation rate
: No data available
Flammability (solid, gas)
: Not applicable
Upper explosion limit / Upper
flammability limit
: No data available
Lower explosion limit / Lower
flammability limit
: No data available
Vapor pressure
: No data available
Relative vapor density
: > 1
Density
: 1.1 g/cm3
Solubility(ies)
Water solubility
: soluble
Partition coefficient: n-
octanol/water
: No data available
Self-Accelerating decomposi-
tion temperature (SADT)
: 60 C
SADT-Self Accelerating Decomposition Temperature. Lowest
temperature at which the tested package size will undergo a
self-accelerating decomposition reaction.
Viscosity
Viscosity, dynamic
: No data available
Viscosity, kinematic
: not determined
Oxidizing properties
: The substance or mixture is not classified as oxidizing.
Organic peroxide
SECTION 10. STABILITY AND REACTIVITY
Reactivity
: Stable under recommended storage conditions.
Chemical stability
: Stable under recommended storage conditions.
Possibility of hazardous reac-
tions
: Vapors may form explosive mixture with air.
Conditions to avoid
: Protect from contamination.
Contact with incompatible substances can cause
decomposition at or below SADT.
Heat, flames and sparks.
SAFETY DATA SHEET
NOROX
MEKP-900
Version
3.1
Revision Date:
06/21/2021
SDS Number:
600000000105
Date of last issue: 12/04/2019
Date of first issue: 10/04/2016
10 / 26
Avoid confinement.
Incompatible materials
: Accelerators, strong acids and bases, heavy metals and
heavy metal salts, reducing agents
Hazardous decomposition
products
: Irritant, caustic, flammable, noxious/toxic gases and vapours
can develop in the case of fire and decomposition
SECTION 11. TOXICOLOGICAL INFORMATION
Acute toxicity
Harmful if swallowed or if inhaled.
Product:
Acute oral toxicity
: Acute toxicity estimate: 1,372 mg/kg
Method: Calculation method
Acute inhalation toxicity
: Acute toxicity estimate: 4.17 mg/l
Exposure time: 4 h
Test atmosphere: dust/mist
Method: Calculation method
Acute dermal toxicity
: Acute toxicity estimate: > 5,000 mg/kg
Method: Calculation method
Components:
dimethyl phthalate:
Acute oral toxicity
: LD50 (Rat): > 5,000 mg/kg
Acute inhalation toxicity
: (Rat): > 10.4 mg/l
Exposure time: 6 h
Test atmosphere: vapor
Remarks: No mortality observed at this dose.
Acute dermal toxicity
: LD50 (Rabbit): > 12,000 mg/kg
2-Butanone, peroxide:
Acute oral toxicity
: Acute toxicity estimate: 500 mg/kg
Method: Expert judgment
Acute inhalation toxicity
: Acute toxicity estimate: 1.5 mg/l
Exposure time: 4 h
Test atmosphere: dust/mist
Method: Expert judgment
Assessment: The component/mixture is moderately toxic after
short term inhalation.
Remarks: Based on data from similar materials
Acute dermal toxicity : Acute toxicity estimate: 2,500 mg/kg
SAFETY DATA SHEET
NOROX
MEKP-900
Version
3.1
Revision Date:
06/21/2021
SDS Number:
600000000105
Date of last issue: 12/04/2019
Date of first issue: 10/04/2016
11 / 26
Method: Expert judgment
Trimethylpentanediol isobutyrate:
Acute oral toxicity
: LD50 (Rat): > 2,000 mg/kg
Method: Expert judgment
Assessment: The substance or mixture has no acute oral tox-
icity
Acute inhalation toxicity
: LCLo (Rat): > 0.12 mg/l
Exposure time: 6 h
Test atmosphere: dust/mist
Method: Expert judgment
Assessment: The substance or mixture has no acute inhala-
tion toxicity
Remarks: No mortality observed at this dose.
Acute dermal toxicity
: LD50 (Guinea pig): > 2,000 mg/kg
Method: Expert judgment
Assessment: The substance or mixture has no acute dermal
toxicity
Butanone:
Acute oral toxicity
: LD50 (Rat): 2,193 mg/kg
Method: OECD Test Guideline 423
Acute inhalation toxicity
: Remarks: No data available
Acute dermal toxicity
: LD50 (Rabbit): > 5,000 mg/kg
Method: OECD Test Guideline 402
Remarks: Based on available data, the classification criteria
are not met.
Hydrogen peroxide:
Acute oral toxicity
: Acute toxicity estimate: 500.0 mg/kg
Method: Converted acute toxicity point estimate
Assessment: The component/mixture is moderately toxic after
single ingestion.
Acute inhalation toxicity
: LC50 (Rat): > 0.17 mg/l
Exposure time: 4 h
Test atmosphere: dust/mist
Assessment: The component/mixture is moderately toxic after
short term inhalation.
Remarks: Based on harmonised classification in EU regulation
1272/2008, Annex VI
Acute dermal toxicity
: LD50 (Rabbit): > 6,500 mg/kg
Skin corrosion/irritation
Causes severe burns.
SAFETY DATA SHEET
NOROX
MEKP-900
Version
3.1
Revision Date:
06/21/2021
SDS Number:
600000000105
Date of last issue: 12/04/2019
Date of first issue: 10/04/2016
12 / 26
Product:
Remarks : Extremely corrosive and destructive to tissue.
Components:
dimethyl phthalate:
Species : Rabbit
Method : Draize Test
Result : No skin irritation
2-Butanone, peroxide:
Species : Rabbit
Result : Causes burns.
Trimethylpentanediol isobutyrate:
Species : Guinea pig
Exposure time : 24 h
Result : No skin irritation
Remarks : Based on available data, the classification criteria are not met.
Butanone:
Species : Rabbit
Assessment : Repeated exposure may cause skin dryness or cracking.
Method : OECD Test Guideline 404
Result : No skin irritation
Hydrogen peroxide:
Result : Corrosive after 3 minutes or less of exposure
Serious eye damage/eye irritation
Causes serious eye damage.
Product:
Remarks : May cause irreversible eye damage.
Components:
dimethyl phthalate:
Species : Rabbit
Result : No eye irritation
Method : OECD Test Guideline 405
2-Butanone, peroxide:
Result : Irreversible effects on the eye
SAFETY DATA SHEET
NOROX
MEKP-900
Version
3.1
Revision Date:
06/21/2021
SDS Number:
600000000105
Date of last issue: 12/04/2019
Date of first issue: 10/04/2016
13 / 26
Trimethylpentanediol isobutyrate:
Species : Rabbit
Result : No eye irritation
Butanone:
Species : Rabbit
Result : Eye irritation
Method : OECD Test Guideline 405
Hydrogen peroxide:
Result : Irreversible effects on the eye
Respiratory or skin sensitization
Skin sensitization
Not classified based on available information.
Respiratory sensitization
Not classified based on available information.
Components:
dimethyl phthalate:
Species : Mouse
Method : OECD Test Guideline 429
Result : Does not cause skin sensitization.
2-Butanone, peroxide:
Species : Guinea pig
Method : OECD Test Guideline 406
Result : Does not cause skin sensitization.
Assessment : Harmful if swallowed., Harmful if inhaled.
Trimethylpentanediol isobutyrate:
Species : Guinea pig
Result : Does not cause skin sensitization.
Butanone:
Routes of exposure : Skin contact
Species : Guinea pig
Method : OECD Test Guideline 406
Result : Does not cause skin sensitization.
Germ cell mutagenicity
Not classified based on available information.
SAFETY DATA SHEET
NOROX
MEKP-900
Version
3.1
Revision Date:
06/21/2021
SDS Number:
600000000105
Date of last issue: 12/04/2019
Date of first issue: 10/04/2016
14 / 26
Components:
dimethyl phthalate:
Genotoxicity in vitro
: Method: OECD Test Guideline 471
Result: negative
Method: OECD Test Guideline 473
Result: negative
Method: OECD Test Guideline 476
Result: positive
Genotoxicity in vivo
: Test Type: Chromosomal aberration
Species: Rat
Application Route: Intraperitoneal
Result: negative
Test Type: Micronucleus test
Species: Mouse
Application Route: Intraperitoneal injection
Result: negative
2-Butanone, peroxide:
Genotoxicity in vitro
: Method: OECD Test Guideline 473
Result: negative
Method: OECD Test Guideline 471
Result: negative
Method: OECD Test Guideline 476
Result: negative
Trimethylpentanediol isobutyrate:
Genotoxicity in vitro
: Method: OECD Test Guideline 476
Result: negative
Test Type: Ames test
Result: negative
Method: OECD Test Guideline 473
Result: negative
Butanone:
Genotoxicity in vitro
: Method: OECD Test Guideline 471
Result: negative
Method: OECD Test Guideline 476
Result: negative
Method: OECD Test Guideline 473
Result: negative
SAFETY DATA SHEET
NOROX
MEKP-900
Version
3.1
Revision Date:
06/21/2021
SDS Number:
600000000105
Date of last issue: 12/04/2019
Date of first issue: 10/04/2016
15 / 26
Genotoxicity in vivo
: Species: Mouse
Application Route: Intraperitoneal
Method: OECD Test Guideline 474
Result: negative
Hydrogen peroxide:
Genotoxicity in vitro
: Test Type: Ames test
Result: negative
Genotoxicity in vivo
: Test Type: Mammalian erythrocyte micronucleus test (in vivo
cytogenetic assay)
Species: Mouse
Result: negative
Carcinogenicity
Not classified based on available information.
Components:
dimethyl phthalate:
Species : Rat
Application Route : Skin contact
Method : OECD Test Guideline 451
Result : negative
Remarks : Based on data from similar materials
2-Butanone, peroxide:
Remarks : This information is not available.
Hydrogen peroxide:
Carcinogenicity – Assess-
ment
: Carcinogenicity classification not possible from current data.
IARC No ingredient of this product present at levels greater than or equal to 0.1% is
identified as probable, possible or confirmed human carcinogen by IARC.
OSHA No component of this product present at levels greater than or equal to 0.1% is
on OSHA s list of regulated carcinogens.
NTP No ingredient of this product present at levels greater than or equal to 0.1% is
identified as a known or anticipated carcinogen by NTP.
Reproductive toxicity
Suspected of damaging the unborn child.
Components:
dimethyl phthalate:
Effects on fertility : Species: Rat
SAFETY DATA SHEET
NOROX
MEKP-900
Version
3.1
Revision Date:
06/21/2021
SDS Number:
600000000105
Date of last issue: 12/04/2019
Date of first issue: 10/04/2016
16 / 26
Application Route: oral (gavage)
Method: OECD Test Guideline 440
Result: negative
Effects on fetal development
: Species: Rat
Application Route: Ingestion
General Toxicity Maternal: NOAEL: 840 mg/kg body weight
Developmental Toxicity: NOAEL: 3,570 mg/kg body weight
Method: OECD Test Guideline 414
2-Butanone, peroxide:
Effects on fertility
: Species: Rat
Application Route: oral (gavage)
General Toxicity Parent: NOAEL: 50 mg/kg body weight
Method: OECD Test Guideline 421
Result: negative
Trimethylpentanediol isobutyrate:
Effects on fetal development
: Test Type: One-generation reproduction toxicity study
Species: Rat
Application Route: Ingestion
Result: negative
Reproductive toxicity – As-
sessment
: Suspected of damaging the unborn child., Some evidence of
adverse effects on development, based on animal
experiments.
Butanone:
Effects on fertility
: Species: Rat
Application Route: oral (drinking water)
General Toxicity Parent: NOAEL: 10,000 mg/l
General Toxicity F1: NOAEL: 10,000 mg/l
Method: OECD Test Guideline 416
Remarks: Based on data from similar materials
Species: Rat
Application Route: oral (drinking water)
General Toxicity Parent: LOAEL: 20,000 mg/l
Method: OECD Test Guideline 416
Remarks: Based on data from similar materials
Effects on fetal development
: Species: Rat
Application Route: Inhalation
General Toxicity Maternal: NOAEC: ca. 1,002 mg/kg body
weight
Teratogenicity: NOAEC Parent: ca. 1,002 mg/kg body weight
Method: OECD Test Guideline 414
Result: negative
SAFETY DATA SHEET
NOROX
MEKP-900
Version
3.1
Revision Date:
06/21/2021
SDS Number:
600000000105
Date of last issue: 12/04/2019
Date of first issue: 10/04/2016
17 / 26
STOT-single exposure
Not classified based on available information.
Components:
Butanone:
Assessment : May cause drowsiness or dizziness.
Hydrogen peroxide:
Assessment : May cause respiratory irritation.
STOT-repeated exposure
Not classified based on available information.
Repeated dose toxicity
Components:
dimethyl phthalate:
Species : Rat
NOAEL : 770 mg/kg
Application Route : Oral
Exposure time : 16 w
Method : OECD Test Guideline 408
2-Butanone, peroxide:
Species : Rat
NOAEL : 200 mg/kg
Application Route : oral (gavage)
Exposure time : 28 d
Method : OECD Test Guideline 407
Repeated dose toxicity –
Assessment
: Harmful if swallowed., Harmful if inhaled.
Hydrogen peroxide:
Species : Mouse
Application Route : Ingestion
Exposure time : 90 d
Symptoms : No adverse effects.
Aspiration toxicity
Not classified based on available information.
Components:
dimethyl phthalate:
No aspiration toxicity classification
SAFETY DATA SHEET
NOROX
MEKP-900
Version
3.1
Revision Date:
06/21/2021
SDS Number:
600000000105
Date of last issue: 12/04/2019
Date of first issue: 10/04/2016
18 / 26
Trimethylpentanediol isobutyrate:
Not classified due to data which are conclusive although insufficient for classification.
Further information
Product:
Remarks : No data available
Components:
dimethyl phthalate:
Remarks : No data available
SECTION 12. ECOLOGICAL INFORMATION
Ecotoxicity
Components:
dimethyl phthalate:
Toxicity to fish
: LC50 (Pimephales promelas (fathead minnow)): 39 mg/l
Exposure time: 96 h
Toxicity to daphnia and other
aquatic invertebrates
: LC50 (Daphnia magna (Water flea)): > 52 mg/l
Exposure time: 48 h
Toxicity to algae/aquatic
plants
: EC50 (Desmodesmus subspicatus (green algae)): 260 mg/l
Exposure time: 72 h
Toxicity to fish (Chronic tox-
icity)
: NOEC (Oncorhynchus mykiss (rainbow trout)): 11 mg/l
Exposure time: 102 d
Method: OECD Test Guideline 210
LOEC (Oncorhynchus mykiss (rainbow trout)): 24 mg/l
Exposure time: 102 d
Method: OECD Test Guideline 210
Toxicity to daphnia and other
aquatic invertebrates (Chron-
ic toxicity)
: NOEC (Daphnia magna (Water flea)): 9.6 mg/l
Exposure time: 21 d
LOEC (Daphnia magna (Water flea)): 23 mg/l
Exposure time: 21 d
Toxicity to microorganisms
: EC50: 4,100 mg/l
Exposure time: 0.5 h
Method: OECD Test Guideline 209
2-Butanone, peroxide:
Toxicity to fish : LC50 (Poecilia reticulata (guppy)): 44.2 mg/l
SAFETY DATA SHEET
NOROX
MEKP-900
Version
3.1
Revision Date:
06/21/2021
SDS Number:
600000000105
Date of last issue: 12/04/2019
Date of first issue: 10/04/2016
19 / 26
Exposure time: 96 h
Method: OECD Test Guideline 203
NOEC (Poecilia reticulata (guppy)): 18 mg/l
Exposure time: 96 h
Method: OECD Test Guideline 203
Toxicity to daphnia and other
aquatic invertebrates
: EC50 (Daphnia magna (Water flea)): 39 mg/l
Exposure time: 48 h
Method: OECD Test Guideline 202
NOEC (Daphnia magna (Water flea)): 26.7 mg/l
Method: OECD Test Guideline 202
Toxicity to algae/aquatic
plants
: EC50 (Pseudokirchneriella subcapitata (green algae)): 5.6
mg/l
Exposure time: 72 h
Method: OECD Test Guideline 201
NOEC (Pseudokirchneriella subcapitata (green algae)): 2.1
mg/l
Exposure time: 72 h
Method: OECD Test Guideline 201
Toxicity to microorganisms
: EC50 (Bacteria): 48 mg/l
Exposure time: 0.5 h
Method: OECD Test Guideline 209
Trimethylpentanediol isobutyrate:
Toxicity to fish
: NOEC (Fish): >= 6 mg/l
Exposure time: 96 h
Method: OECD Test Guideline 203
Toxicity to daphnia and other
aquatic invertebrates
: EC50 (Daphnia): >= 1.46 mg/l
Exposure time: 48 h
NOEC (Daphnia): 0.7 mg/l
Exposure time: 21 d
Toxicity to algae/aquatic
plants
: EC50 (Chlorella pyrenoidosa): > 7.49 mg/l
Exposure time: 72 h
Method: OECD Test Guideline 201
Toxicity to daphnia and other
aquatic invertebrates (Chron-
ic toxicity)
: LOEC (Daphnia magna (Water flea)): 0.7 mg/l
Exposure time: 21 d
Ecotoxicology Assessment
Acute aquatic toxicity
: This product has no known ecotoxicological effects.
Chronic aquatic toxicity
: Harmful to aquatic life with long lasting effects.
SAFETY DATA SHEET
NOROX
MEKP-900
Version
3.1
Revision Date:
06/21/2021
SDS Number:
600000000105
Date of last issue: 12/04/2019
Date of first issue: 10/04/2016
20 / 26
Butanone:
Toxicity to fish
: LC50 (Pimephales promelas (fathead minnow)): 2,993 mg/l
Exposure time: 96 h
Method: OECD Test Guideline 203
Toxicity to daphnia and other
aquatic invertebrates
: EC50 (Daphnia magna (Water flea)): 308 mg/l
Exposure time: 48 h
Method: OECD Test Guideline 202
Toxicity to algae/aquatic
plants
: EC50 (Pseudokirchneriella subcapitata (green algae)): 2,029
mg/l
Exposure time: 96 h
Method: OECD Test Guideline 201
Toxicity to microorganisms
: NOEC (Pseudomonas putida): 1,150 mg/l
Exposure time: 16 h
Method: DIN 38 412 Part 8
Hydrogen peroxide:
Toxicity to fish
: LC50 (Pimephales promelas (fathead minnow)): 16.4 mg/l
Exposure time: 96 h
Toxicity to daphnia and other
aquatic invertebrates
: LC50 (Daphnia pulex (Water flea)): 2.4 mg/l
Exposure time: 48 h
Toxicity to algae/aquatic
plants
: EC50 (Skeletonema costatum (marine diatom)): 1.38 mg/l
Exposure time: 72 h
NOEC (Skeletonema costatum (marine diatom)): 0.63 mg/l
Exposure time: 72 h
Toxicity to daphnia and other
aquatic invertebrates (Chron-
ic toxicity)
: NOEC (Daphnia magna (Water flea)): 0.63 mg/l
Exposure time: 21 d
Persistence and degradability
Components:
dimethyl phthalate:
Biodegradability
: Result: Readily biodegradable.
Method: OECD Test Guideline 301E
2-Butanone, peroxide:
Biodegradability
: Result: Readily biodegradable.
Method: OECD Test Guideline 301D
Trimethylpentanediol isobutyrate:
Biodegradability
: Result: rapidly biodegradable
Exposure time: 28 d
SAFETY DATA SHEET
NOROX
MEKP-900
Version
3.1
Revision Date:
06/21/2021
SDS Number:
600000000105
Date of last issue: 12/04/2019
Date of first issue: 10/04/2016
21 / 26
Method: OECD Test Guideline 301B
Butanone:
Biodegradability
: Result: Readily biodegradable.
Method: OECD Test Guideline 301D
Hydrogen peroxide:
Biodegradability
: Result: Readily biodegradable.
Bioaccumulative potential
Components:
dimethyl phthalate:
Bioaccumulation
: Bioconcentration factor (BCF): 57
Method: OECD Test Guideline 305
Partition coefficient: n-
octanol/water
: log Pow: 1.54
2-Butanone, peroxide:
Partition coefficient: n-
octanol/water
: log Pow: < 0.3 (25 C / 25 C) Trimethylpentanediol isobutyrate: Bioaccumulation : Species: Fish Bioconcentration factor (BCF): 1.95 Partition coefficient: n- octanol/water : log Pow: 4.91 (25 C / 25 C) Butanone: Partition coefficient: n- octanol/water : log Pow: 0.3 (40 C / 40 C) Hydrogen peroxide: Partition coefficient: n- octanol/water : log Pow: -1.57 Remarks: Calculation Mobility in soil No data available Other adverse effects Product: Ozone-Depletion Potential : Regulation: 40 CFR Protection of Environment; Part 82 Pro- tection of Stratospheric Ozone - CAA Section 602 Class I Substances SAFETY DATA SHEET NOROX MEKP-900 Version 3.1 Revision Date: 06/21/2021 SDS Number: 600000000105 Date of last issue: 12/04/2019 Date of first issue: 10/04/2016 22 / 26 Remarks: This product neither contains, nor was manufac- tured with a Class I or Class II ODS as defined by the U.S. Clean Air Act Section 602 (40 CFR 82, Subpt. A, App.A + B). Additional ecological infor- mation : An environmental hazard cannot be excluded in the event of unprofessional handling or disposal. Toxic to aquatic life. Components: dimethyl phthalate: Additional ecological infor- mation : No data available SECTION 13. DISPOSAL CONSIDERATIONS Disposal methods Waste from residues : The product should not be allowed to enter drains, water courses or the soil. Do not contaminate ponds, waterways or ditches with chemical or used container. Dispose of wastes in an approved waste disposal facility. Contaminated packaging : Empty remaining contents. Dispose of as unused product. Do not re-use empty containers. Do not burn, or use a cutting torch on, the empty drum. Dispose of in accordance with local regulations. SECTION 14. TRANSPORT INFORMATION International Regulations UNRTDG UN number : UN 3105 Proper shipping name : ORGANIC PEROXIDE TYPE D, LIQUID (METHYL ETHYL KETONE PEROXIDE(S) ) Class : 5.2 Packing group : Not assigned by regulation Labels : 5.2 IATA-DGR UN/ID No. : UN 3105 Proper shipping name : Organic peroxide type D, liquid (Methyl ethyl ketone peroxide(s)) Class : 5.2 Packing group : Not assigned by regulation Labels : Organic Peroxides, Keep Away From Heat Packing instruction (cargo aircraft) : 570 SAFETY DATA SHEET NOROX MEKP-900 Version 3.1 Revision Date: 06/21/2021 SDS Number: 600000000105 Date of last issue: 12/04/2019 Date of first issue: 10/04/2016 23 / 26 Packing instruction (passen- ger aircraft) : 570 IMDG-Code UN number : UN 3105 Proper shipping name : ORGANIC PEROXIDE TYPE D, LIQUID (METHYL ETHYL KETONE PEROXIDE(S) ) Class : 5.2 Packing group : Not assigned by regulation Labels : 5.2 EmS Code : F-J, S-R Marine pollutant : no Transport in bulk according to Annex II of MARPOL 73/78 and the IBC Code Not applicable for product as supplied. Domestic regulation 49 CFR UN/ID/NA number : UN 3105 Proper shipping name : Organic peroxide type D, liquid (Methyl ethyl ketone peroxide(s), <=45%) Class : 5.2 Packing group : Not assigned by regulation Labels : ORGANIC PEROXIDE ERG Code : 145 Marine pollutant : no Special precautions for user The transport classification(s) provided herein are for informational purposes only, and solely based upon the properties of the unpackaged material as it is described within this Safety Data Sheet. Transportation classifications may vary by mode of transportation, package sizes, and variations in regional or country regulations. SECTION 15. REGULATORY INFORMATION CERCLA Reportable Quantity Components CAS-No. Component RQ (lbs) Calculated product RQ (lbs) 2-Butanone, peroxide 1338-23-4 10 29 SARA 304 Extremely Hazardous Substances Reportable Quantity Components CAS-No. Component RQ (lbs) Calculated product RQ (lbs) Hydrogen peroxide 7722-84-1 1000 * *: Calculated RQ exceeds reasonably attainable upper limit. SARA 302 Extremely Hazardous Substances Threshold Planning Quantity Components CAS-No. Component TPQ (lbs) Hydrogen peroxide 7722-84-1 1000 SARA 311/312 Hazards : Flammable (gases, aerosols, liquids, or solids) Organic peroxides Acute toxicity (any route of exposure) Reproductive toxicity SAFETY DATA SHEET NOROX MEKP-900 Version 3.1 Revision Date: 06/21/2021 SDS Number: 600000000105 Date of last issue: 12/04/2019 Date of first issue: 10/04/2016 24 / 26 Skin corrosion or irritation Serious eye damage or eye irritation SARA 313 : The following components are subject to reporting levels established by SARA Title III, Section 313: dimethyl phthalate 131-11-3 Clean Air Act This product neither contains, nor was manufactured with a Class I or Class II ODS as defined by the U.S. Clean Air Act Section 602 (40 CFR 82, Subpt. A, App.A + B). The following chemical(s) are listed as HAP under the U.S. Clean Air Act, Section 112 (40 CFR 61): dimethyl phthalate 131-11-3 This product does not contain any chemicals listed under the U.S. Clean Air Act Section 112(r) for Accidental Release Prevention (40 CFR 68.130, Subpart F). The following chemical(s) are listed under the U.S. Clean Air Act Section 111 SOCMI Intermedi- ate or Final VOC's (40 CFR 60.489): Butanone 78-93-3 Clean Water Act This product does not contain any Hazardous Substances listed under the U.S. CleanWater Act, Section 311, Table 116.4A. This product does not contain any Hazardous Chemicals listed under the U.S. CleanWater Act, Section 311, Table 117.3. This product contains the following toxic pollutants listed under the U.S. Clean Water Act Section 307 dimethyl phthalate 131-11-3 This product contains the following priority pollutants related to the U.S. Clean Water Act: dimethyl phthalate 131-11-3 Maine Chemicals of High Concern This product does not contain any chemicals that are listed as Maine Chemicals of High Concern. California Prop. 65 This product does not contain any chemicals known to the State of California to cause cancer, birth, or any other reproductive defects. International Regulations Gefahrgruppe nach DGUV 13 Vorschrift 13 (bisher BGV B4): Ib (German regulatory requirements) The ingredients of this product are reported in the following inventories: TCSI (TW) : On the inventory, or in compliance with the inventory TSCA (US) : All substances listed as active on the TSCA inventory AICS (AU) : On the inventory, or in compliance with the inventory DSL (CA) : All components of this product are on the Canadian DSL ENCS (JP) : On the inventory, or in compliance with the inventory SAFETY DATA SHEET NOROX MEKP-900 Version 3.1 Revision Date: 06/21/2021 SDS Number: 600000000105 Date of last issue: 12/04/2019 Date of first issue: 10/04/2016 25 / 26 ISHL (JP) : On the inventory, or in compliance with the inventory KECI (KR) : On the inventory, or in compliance with the inventory PICCS (PH) : On the inventory, or in compliance with the inventory IECSC (CN) : On the inventory, or in compliance with the inventory TSCA list No substances are subject to a Significant New Use Rule. No substances are subject to TSCA 12(b) export notification requirements. SECTION 16. OTHER INFORMATION Further information This material safety datasheet only contains information relating to safety and does not replace any product information or product specification. These safety instructions also apply to empty packaging which may still contain product residues. Sources of key data used to compile the Material Safety Data Sheet : Internal technical data, data from raw material SDSs, OECD eChem Portal search results and European Chemicals Agen- cy, http://echa.europa.eu/ Revision Date : 06/21/2021 The information provided in this Safety Data Sheet is correct to the best of our knowledge, infor- mation and belief at the date of its publication. The information given is designed only as a guid- ance for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a warranty or quality specification. The information relates only to the specific material designated and may not be valid for such material used in combination with any other materials or in any process, unless specified in the text. US / Z8 Full text of other abbreviations ACGIH : USA. ACGIH Threshold Limit Values (TLV) ACGIH BEI : ACGIH - Biological Exposure Indices (BEI) NIOSH REL : USA. NIOSH Recommended Exposure Limits OSHA P0 : USA. OSHA - TABLE Z-1 Limits for Air Contaminants - 1910.1000 OSHA Z-1 : USA. Occupational Exposure Limits (OSHA) - Table Z-1 Lim- its for Air Contaminants ACGIH / TWA : 8-hour, time-weighted average ACGIH / STEL : Short-term exposure limit ACGIH / C : Ceiling limit SAFETY DATA SHEET NOROX MEKP-900 Version 3.1 Revision Date: 06/21/2021 SDS Number: 600000000105 Date of last issue: 12/04/2019 Date of first issue: 10/04/2016 26 / 26 NIOSH REL / TWA : Time-weighted average concentration for up to a 10-hour workday during a 40-hour workweek NIOSH REL / ST : STEL - 15-minute TWA exposure that should not be exceeded at any time during a workday NIOSH REL / C : Ceiling value not be exceeded at any time. OSHA P0 / TWA : 8-hour time weighted average OSHA P0 / STEL : Short-term exposure limit OSHA P0 / C : Ceiling limit OSHA Z-1 / TWA : 8-hour time weighted average AICS - Australian Inventory of Chemical Substances; AIIC - Australian Inventory of Industrial Chemicals; ASTM - American Society for the Testing of Materials; bw - Body weight; CERCLA - Comprehensive Environmental Response, Compensation, and Liability Act; CMR - Carcinogen, Mutagen or Reproductive Toxicant; DIN - Standard of the German Institute for Standardisation; DOT - Department of Transportation; DSL - Domestic Substances List (Canada); ECx - Concen- tration associated with x% response; EHS - Extremely Hazardous Substance; ELx - Loading rate associated with x% response; EmS - Emergency Schedule; ENCS - Existing and New Chemical Substances (Japan); ErCx - Concentration associated with x% growth rate response; ERG - Emergency Response Guide; GHS - Globally Harmonized System; GLP - Good Laboratory Prac- tice; HMIS - Hazardous Materials Identification System; IARC - International Agency for Research on Cancer; IATA - International Air Transport Association; IBC - International Code for the Con- struction and Equipment of Ships carrying Dangerous Chemicals in Bulk; IC50 - Half maximal in- hibitory concentration; ICAO - International Civil Aviation Organization; IECSC - Inventory of Ex- isting Chemical Substances in China; IMDG - International Maritime Dangerous Goods; IMO - In- ternational Maritime Organization; ISHL - Industrial Safety and Health Law (Japan); ISO - Interna- tional Organisation for Standardization; KECI - Korea Existing Chemicals Inventory; LC50 - Lethal Concentration to 50 % of a test population; LD50 - Lethal Dose to 50% of a test population (Me- dian Lethal Dose); MARPOL - International Convention for the Prevention of Pollution from Ships; MSHA - Mine Safety and Health Administration; n.o.s. - Not Otherwise Specified; NFPA - National Fire Protection Association; NO(A)EC - No Observed (Adverse) Effect Concentration; NO(A)EL - No Observed (Adverse) Effect Level; NOELR - No Observable Effect Loading Rate; NTP - Na- tional Toxicology Program; NZIoC - New Zealand Inventory of Chemicals; OECD - Organization for Economic Co-operation and Development; OPPTS - Office of Chemical Safety and Pollution Prevention; PBT - Persistent, Bioaccumulative and Toxic substance; PICCS - Philippines Invento- ry of Chemicals and Chemical Substances; (Q)SAR - (Quantitative) Structure Activity Relation- ship; RCRA - Resource Conservation and Recovery Act; REACH - Regulation (EC) No 1907/2006 of the European Parliament and of the Council concerning the Registration, Evaluation, Authorisation and Restriction of Chemicals; RQ - Reportable Quantity; SADT - Self-Accelerating Decomposition Temperature; SARA - Superfund Amendments and Reauthorization Act; SDS - Safety Data Sheet; TCSI - Taiwan Chemical Substance Inventory; TSCA - Toxic Substances Control Act (United States); UN - United Nations; UNRTDG - United Nations Recommendations on the Transport of Dangerous Goods; vPvB - Very Persistent and Very Bioaccumulative The information provided in this Safety Data Sheet is correct to the best of our knowledge, infor- mation and belief at the date of its publication. The information given is designed only as a guid- ance for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a warranty or quality specification. The information relates only to the specific material designated and may not be valid for such material used in combination with any other materials or in any process, unless specified in the text. US / Z8