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SAFETY DATA SHEET
1.0 IDENTIFICATION
1.1 GHS product identifier: Peroxide Cream Hardener
1.2 Other means of identification: Organic Peroxide, 35% in inert fillers
1.3 Recommended use of the chemical and restrictions on use: N/A
1.4 Supplier’s details: QUALITY HARDENER
PO BOX 2385
RIVERVIEW MI 48192
INFORMATION PHONE: (248) 588-2270
1.5 Emergency phone number: (703) 527-3887(Call Collect)
2.0 HAZARDS IDENTIFICATION
2.1 Classification of the substance or mixture:
Organic Peroxide B, Skin Corrosion/Irritation 2, Eye Damage/Irritation 2B, Skin Sensitive 1, Specific target
organ toxicity – Single exposure 3
2.2 GHS label elements:
Signal Word: Danger
Hazard Statement: Heating may cause a fire or explosion
Prevention: Keep away from heat/sparks/open flames/hot surfaces. No smoking. Keep away
from combustible materials. Keep only in original container. Wear protective gloves/eye
protection/face protection.
Storage: Store at temperatures not exceeding 32 C (90 F). Strong Oxidizer. Keep cool. Protect
from sunlight. Contact with other materials may cause fire.
Disposal: Dispose of contents/container by incineration under controlled conditions in accordance
with all local and national laws and regulations.
Signal Word: Warning
Hazard Statement: Causes skin irritation
Prevention: Wash hands thoroughly after handling. Wear protective gloves.
Response: If on skin: wash with plenty of soap and water. If skin irritation occurs: get medical
advice/attention. Take off contaminated clothing and wash before reuse.
Signal Word: Warning
Hazard Statement: Causes eye irritation
Prevention: Flush eyes thoroughly after eye contact.
Response: If in eyes: rinse cautiously with water for several minutes. Remove contact lenses, if
present and easy to do. Continue rinsing. If eye irritation persists: get medical advice/attention.
Signal Word: Warning
Hazard Statement: May cause an allergic skin reaction
Prevention: Avoid breathing dust/fume/gas/mist/vapors/spray. Contaminated work clothing must
not be allowed out of the workplace. Wear protective gloves.
Response: If on skin: wash with plenty of soap and water. If skin irritation or rash occurs: get
medical advice/attention. Wash contaminated clothing before reuse.
Signal Word: Warning
Hazard Statement: May cause respiratory irritation
Prevention: Avoid breathing dust/fume/gas/mist/vapors/spray. Use only outdoors or in a well-
ventilated area.
Response: If inhaled, remove victim to fresh air and keep at rest in a position comfortable for
breathing. Call a poison center or doctor/physician if you feel unwell.
Storage: Store in a well-ventilated place. Keep container tightly closed. Store locked up.
Disposal: Dispose of contents/container by incineration under controlled conditions in accordance
with all local and national laws and regulations.
2.3 Other hazards which do not result in classification: N/A
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2.4 Hazards Material Information System (United States):
Health 2
Flammability 2
Physical Hazard 2
Hazard Codes: *=Chronic Hazard 0=Minimal Hazard, 1=Slight Hazard, 2=Moderate Hazard, 3=Serious Hazard,
4=Severe Hazard
3.0 COMPOSITION/INFORMATION ON INGREDIENTS 3.1 Mixtures
Chemical Identity CAS No. Concentration
Dibenzoyl Peroxide 94-36-0 34-35%
PLASTICIZER (Proprietary, Ester based, non-Pthalate) 800951-5002-p 27-30%
CALCIUM CARBONATE 471-34-1 15-19%
WATER 7732-18-5 10-13%
SURFACTANT (Proprietary, Ethoxylated Alkyl Phenol) 800951-5003-P 1-4%
Fumed Silica 7631-86-9 0-4%
4.0 FIRST-AID MEASURES
4.1 Description of necessary first-aid measures:
Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, lifting lower and upper eyelids
occasionally. Get medical attention immediately.
Skin: Immediately flush skin with plenty of soap and water. Remove contaminated clothing and shoes. Get medical
attention. Wash clothing before reuse.
Ingestion: Do not induce vomiting, get medical attention immediately.
Inhalation: Remove to fresh air. Get medical for any breathing difficulty.
4.2 Most Important symptoms/effects, acute and delayed:
Potential Health Effects: Eyes; Vapor or mist causes eye irritation. Splashes cause severe irritation with stinging
pain and tears.
Skin: Causes irritation with redness and pain, and skin sensitization in some individuals. Stinging or burning
sensation may occur for a brief time after application to skin.
Ingestion: Causes irritation to the gastrointestinal tract. Symptoms may include nausea, vomiting and diarrhea.
Inhalation: Decomposition products are toxic and inhalation of the products can produce life threatening health
effects.
4.3 Indication of immediate medical attention and special treatment needed, if necessary: N/A
5.0 FIRE-FIGHTING MEASURES
5.1 Suitable extinguishing media: Dry Chemical or carbon dioxide. Water to cool containers. Water or foam may cause
frothing.
5.2 Specific hazards arising from the chemical: Flash Point is 184 F (84 C).
5.3 Special protective actions for fire-fighters: Wear full protective clothing and NIOSH- approved self-contained
breathing apparatus with full face piece operated in the pressure demand or other positive pressure mode.
6.0 ACCIDENTAL RELEASE MEASURES
6.1 Personal precautions, protective equipment and emergency procedures:
Remove all sources of ignition, ventilate area of leak or spill.
6.2 Methods and materials for containment and clean up:
Contain discharged material. Spill can be mixed with water wetted vermiculite, swept up and then placed into
appropriate plastic containers for immediate disposal.
7.0 HANDLING AND STORAGE
7.1 Precautions for safe handling: Avoid strong acids, strong alkalis, polymerization accelerators (Cobalt Napthanates,
DMA, DEA).
7.2 Conditions for safe storage, including any incompatibilities: Stores best below 90 F, Black Cream Hardener has
a 12 month shelf life, Red and White Cream Hardener have an 18 month shelf life.
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8.0 EXPOSURE CONTROLS/PERSONAL PROTECTION 8.1 Control parameters
Component CAS No. EINECS P ercent Exposure Limits Source
Dibenzoyl Peroxide 94-36-0 202-327-6 35%
5mg/m3 PEL
5mg/m3 TLV
OSHA
ACGIH
8.2 Appropriate engineering controls: N/A
8.3 Individual protection measures, such as personal protective equipment:
Eye Protection: Chemical safety glasses. A full-face shield and vapor respirator is recommended for operations
involving spraying or other operations placing this material under pressurized conditions.
Hand Protection: Neoprene rubber gloves. Impermeable gloves. Nitrile rubber gloves. The breakthrough time of
the selected glove(s) must be greater than the intended use period.
Respiratory protection: Not required under normal conditions and in a well-ventilated workplace. At elevated
temperatures, a cartridge mask National Institute for Occupational Safety and Health (NIOSH) approved for organic
vapors may be appropriate.
Protective clothing: Long sleeved clothing.
Work and hygienic practices: Provide readily accessible eye wash stations and safety showers. Wash at the end of
each work shift and before eating, smoking or using the toilet.
Notice: The selection of a specific glove for a particular application and duration of use in a workplace should also
take into account all requisite workplace factors such as, but not limited to: Other chemicals which may be handled,
physical requirements (cut/puncture protection, dexterity, thermal protection), as well as the
instructions/specifications provided by the glove supplier.
9.0 PHYSICAL AND CHEMICAL PROPERTIES
9.1 Appearance (physical state, color, etc.): Thixotropic Paste, White, Red, Black
9.2 Odor: Ester-type odor
9.3 Odor threshold: N/A
9.4 pH: Not Determined
9.5 Melting point/freezing point: Not Determined
9.6 Initial boiling point and boiling range: (Dibenzoyl Peroxide) Decomposes explosively above 55 C
9.7 Flash Point: 184 F (84 C) Setaflash
9.8 Evaporation rate: N/A
9.9 Flammability (solid, gas): N/A
9.10 Upper/lower flammability or explosive limits: LFL-Not Determined; UFL-Not Determined
9.11 Vapor pressure: 0.67-0.93 kPa
9.12 Vapor density: N/A
9.13 Relative density (Specific gravity): 1.30-1.33
9.14 Solubility(ies): Negligible
9.15 Partition coefficient; n-octanol/water: N/A
9.16 Auto-ignition temperature: N/A
9.17 Decomposition temperature (SADT): 55 C
9.18 Viscosity: N/A
9.19 VOC Content: 0 g/liter (0%)
10.0 STABILITY AND REACTIVITY
10.1 Reactivity: N/A
10.2 Chemical stability: Stable
10.3 Possibility of hazardous reactions: Will occur
10.4 Conditions to avoid: excessive heat; contaminates; ignition sources
10.5 Incompatible materials: Strong acids, accelerators
10.6 Hazardous decomposition products: Flammable
11.0 TOXICOLOGICAL INFORMATION
11.1 Likely routes of exposure: Skin, Eye, Inhalation, Ingestion
11.2 Symptoms related to the physical, chemical and toxicological characteristics:
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Acute toxicity: This finished product has not been tested to determine individual toxicological/ecological limits.
Individual components of this mixture have been independently tested by the raw material manufacturers and any
known results have been presented below. The results for the individual components may not be representative of
the toxicity of this finished product.
Skin Contact: Causes skin irritation.
Skin Absorption: May be harmful if absorbed through the skin.
Eye Contact: Causes eye irritation.
Inhalation: May be harmful if inhaled. Material is irritating to mucous membranes and upper respiratory tract.
Ingestion: May be harmful if swallowed.
Sensitization:
Respiratory: May cause allergic respiratory reaction.
Skin: May cause allergic skin reaction.
Signs and symptoms of exposure: Depending on the intensity and duration of exposure, effects may vary from
mild irritation to severe destruction of tissue.
11.3 Delayed and immediate effects and also chronic effects from short and long term exposure:
Chronic exposure: CARCINOGEN; Result: This product is or contains a component that is not classifiable as to its
carcinogenicity based on its IARC, ACGIH, NTP, or EPA classification.
Chronic exposure: MUTAGEN; Result: Laboratory experiments have shown mutagenic effects.
11.4 Numerical measures of toxicity: N/A
12.0 ECOLOGICAL INFORMATION
12.1 Ecotoxicity: There is not any data on aquatic life effects or the environmental fate.
12.2 Persistence and degradability: N/A
12.3 Bioaccumulative potential: N/A
12.4 Mobility in soil: N/A
12.5 Other adverse effects: N/A
13.0 DISPOSAL CONSIDERATIONS
13.1 Disposal methods: Preferred method of disposal includes incineration under controlled conditions in accordance
with all local and national laws and regulations. The generation of waste should be avoided or minimized wherever
possible. Untreated material is not suitable for disposal. Waste, even small quantities, should never be poured down
drains, sewers or watercourses. Waste must be disposed of in accordance with federal, state and local environmental
control regulations. This material, when properly mixed and cured with its resin component at the proper mix ratio,
may be safely landfilled.
Contaminated packaging: Empty containers can only be disposed of when the remaining product adhering to the
container walls has been removed. Hazard warning labels should be removed from the container only after it has
been properly emptied.
14.0 TRANSPORT INFORMATION
14.1 UN number: UN-3108
14.2 UN proper shipping name: Organic Peroxide Type E, Solid (35% Dibenzoyl Peroxide)
14.3 Transport hazard class(es): 5.2
14.4 Packing group, if applicable: II
14.5 Environmental hazards: N/A
14.6 Transport in bulk: N/A
14.7 Special precautions for user: The following must be typed on Dangerous Goods paperwork THE PACKAGE
CONTAINING UN3108 MUST BE SHADED FROM DIRECT SUNLIGHT, STORED AWAY FROM ALL
SOURCES OF HEAT, IN A WELL VENTILATED AREA.
15.0 REGULATORY INFORMATION
15.1 Safety, health and environmental regulations:
TOXIC SUBSTANCES CO NTROL ACT (TSCA): All components are included in the EPA Toxic Substances
Control Act (TSCA) Chemical Substance Inventory.
TOXIC SUBSTANCE CONTROL ACT (TSCA) 12(b) COMPONENT(S): None
OSHA Hazard Communication Standard (29CFR1910.1200) hazard class(es): Irritant. Sensitizer.
EPA SARA Title III Section 312 (40CFR370) hazard class: Immediate Health Hazard. Delayed Health Hazard.
EPA SARA Title III Section 313 (40CFR372) toxic chemicals above “de minimis” level are: Dibenzoyl
Peroxide, 35% (CAS#94-36-0)
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CALIFORNIA PROPOSITION 65: SUBSTANCES (component(s) known to the State of California to cause
cancer and/or reproductive toxicity and subject to warning and discharge requirements under the “Safe Drinking
Water and Toxic Enforcement Act of 1986”) None
CANADA REGULATIONS
DSL: Included on Inventory.
WHMIS HAZARD CLASSIFICATION: Class C (oxidizing material) Class D2B (material causing other toxic
effects, toxic materials)
HAZARDOUS PRODUCTS ACT INFORMATION: This product contains the following ingredients which are
Controlled Products and/or on the Ingredient Disclosure List (Canadian HPA section 13 and 14): NONE
WHMIS TRADE SECRET REGISTRY NUMBER(S): NONE
This product has been classified in accordance with the hazard criteria of the CPR and the MSDS contains all the
information required by the CPR. None
WHMIS SYMBOLS
16.0 OTHER INFORMATION
16.1 Date of Preparation: 12/27/2012
To the best of our knowledge, the information contained herein is accurate. Final determination of the suitability of any material
is the sole responsibility of the users. All materials may present unknown hazards and should be used with caution. Although
certain hazards are described herein, we cannot guarantee that these are the only hazards which exist.