Section 1 - Chemical Product and Company Identification
MSDS Name: Benzoyl Peroxide (Wet) Catalog Numbers: AC211780000, AC211780010, AC211780050, AC211780100, AC211781000, B274-1LB, NC9747998 Synonyms: Dibenzoyl peroxide; benzoic acid peroxide; benzoyl superoxide Company Identification:
Fair Lawn, NJ 07410 For information, call: 201-796-7100 Emergency Number: 201-796-7100 For CHEMTREC assistance, call: 800-424-9300 For International CHEMTREC assistance, call: 703-527-3887
Section 2 - Composition, Information on Ingredients
Chemical Name EINECS/ELINCS EMERGENCY OVERVIEW
Appearance: white powder. Danger! Risk of explosion by shock, friction, fire or other sources of ignition.
Organic peroxide. Heat or contamination may cause hazardous decomposition. Peroxides and decomposition products are flammable and can ignite with explosive
force if confined. Strong oxidizer. Contact with other material may cause a fire. Mutagen. Causes eye and skin irritation. May cause respiratory and digestive tract
irritation. May cause sensitization by skin contact. Target Organs: Eyes, skin. Potential Health Effects Eye: Causes eye irritation. Causes redness and pain. Skin: Causes skin irritation. May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material. Prolonged and/or repeated
contact may cause defatting of the skin and dermatitis. May be harmful if absorbed through the skin.
Ingestion: May cause irritation of the digestive tract. May be harmful if swallowed. May cause human systemic effects by ingestion: hallucinations, distorted
perceptions, nausea or vomiting and kidney, ureter and bladder changes. Inhalation: May cause respiratory tract irritation. May be harmful if inhaled. Decomposition products are toxic, and inhalation of these products can produce life
threatening health effects. Chronic: Laboratory experiments have resulted in mutagenic effects.
Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid imme diately. Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Ingestion: Never give anything by mouth to an unconscious person. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink
2-4 cupfuls of milk or water. Inhalation: Remove from exposure and move to fresh air immediately. If not
breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. Notes to Physician: Treat symptomatically and supportively.
General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Will burn if involved in a fire. This material poses an explosion hazard when dry. This
material is an explosion hazard when exposed to heat, mechanical shock, friction or when agitated.
Extinguishing Media: Use water spray to cool fire-exposed containers. Use water spray, dry chemical, carbon dioxide, or chemical foam. Do NOT use halogenated
agents. Flash Point: Not applicable. Autoignition Temperature: 380 deg C ( 716.00 deg F) Explosion Limits, Lower:Not available. Upper: Not available. NFPA Rating: (estimated) Health: 2; Flammability: 4; Instability: 4; Special Hazard: OX
General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Remove all sources of ignition. Provide ventilation. Do not use combustible materials such as paper towels to clean up spill. Use only non-sparking
tools and equipment. In the event of spillage, spilled material should be mixed with water-wetted vermiculite, swept up, and placed in a container for immediate
disposal. Spilled material not immediately cleaned up may increase the fire hazard due to evaporation of water away from the Benzoyl peroxide.
Handling: Wash thoroughly after handling. Use with adequate ventilation. Avoid
contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep container tightly closed. Keep
away from heat, sparks and flame. Avoid ingestion and inhalation. Use caution when opening. Can explode without warning when caps of old containers are unscrewed.
Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames. Storage: Keep away from heat and flame. Do not store in direct sunlight. Store in a
tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep refrigerated. (Store below 4°C/39°F.)
Section 8 - Exposure Controls, Personal Protection
Engineering Controls: Facilities storing or utilizing this material should be equipped
with an eyewash facility and a safety shower. Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits.
Exposure Limits Chemical Name OSHA - Final PELs
OSHA Vacated PELs: Benzoyl peroxide: 5 mg/m3 TWA Water: No OSHA Vacated PELs are listed for this chemical. Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or
European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. Respirators: Follow the OSHA respirator regulations found in 29 CFR 1910.134 or
European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Section 9 - Physical and Chemical Properties
Physical State: Powder Appearance: white Odor: weak odor pH: Not available. Vapor Pressure: Not available. Vapor Density: Not available. Evaporation Rate:Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point:104-106 deg C Decomposition Temperature:Not available. Solubility: Insoluble in water. Specific Gravity/Density:Not available. Molecular Formula:(C6H5CO)2O2 Molecular Weight:242.0676
Chemical Stability: Stable under normal temperatures and pressures. Do not allow to dry. In its dry form, Benzoly Peroxide is highly flammable and explosive, sensitive
to friction, shock and heat, and must be handled with extreme caution. A dangerous self-accelerating decomposition reaction and, under certain circumstances, explosion or fire can be caused by direct contact with incompatible substances or by thermal
decomposition at and above the SADT (Self-Accelerating Decomposition Temp). SADT = 80°C.
Conditions to Avoid: Mechanical shock, ignition sources, excess heat, combustible materials, reducing agents, organic matter, temperatures above 38°C/100°F. Incompatibilities with Other Materials: Reducing agents, strong acids, bases, amines, metals, accelerators, methyl methacrylate, carbon tetrachloride and
ethylene, organic matter, N,N - dimethylaniline and lithium aluminum hydride. Benzoyl peroxide is self-reactive chemical which can even explode without warning when the caps of old jars are unscrewed. It is extremely important to keep it pure,
contaminants can lead to hazardous, unexpected explosions. Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, benzene,
benzoic acid, Phenyl benzoate, Terphenyls and Biphenyls. Hazardous Polymerization: Has not been reported.
RTECS#: CAS# 94-36-0: DM8575000 CAS# 7732-18-5: ZC0110000 LD50/LC50: CAS# 94-36-0:
Draize test, rabbit, eye: 500 mg/24H Mild; Oral, mouse: LD50 = 1200 mg/kg;
Oral, rat: LD50 = 7710 mg/kg; Oral, rat: LD50 = 6400 mg/kg;<BR.
CAS# 7732-18-5: Oral, rat: LD50 = >90 mL/kg;<BR.
CAS# 94-36-0: Not listed by ACGIH, IARC, NTP, or CA Prop 65. CAS# 7732-18-5: Not listed by ACGIH, IARC, NTP, or CA Prop 65.
Epidemiology: No information found. Teratogenicity: No information found. Reproductive Effects: No information found. Neurotoxicity: No information found. Mutagenicity: No information found. Other Studies: See actual entry in RTECS for complete information.
Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. US EPA guidelines for the classification
determination are listed in 40 CFR Parts 261.3. Additionally, waste generators must consult state and local hazardous waste regulations to ensure complete and accurate
classification. RCRA P-Series: None listed. RCRA U-Series: None listed. Canada TDG Shipping Name: ORGANIC PEROXIDE TYPE C, SOLID ORGANIC PEROXIDE TYPE C SOLID Hazard Class: 5.2 UN Number: UN3104 Packing Group: II
TSCA CAS# 94-36-0 is listed on the TSCA inventory.
CAS# 7732-18-5 is listed on the TSCA inventory. Health & Safety Reporting List
None of the chemicals are on the Health & Safety Reporting List. Chemical Test Rules None of the chemicals in this product are under a Chemical Test Rule. Section 12b None of the chemicals are listed under TSCA Section 12b. TSCA Significant New Use Rule None of the chemicals in this material have a SNUR under TSCA. CERCLA Hazardous Substances and corresponding RQs None of the chemicals in this material have an RQ. SARA Section 302 Extremely Hazardous Substances None of the chemicals in this product have a TPQ. SARA Codes
CAS # 94-36-0: flammable, sudden release of pressure. Section 313
This material contains Benzoyl peroxide (CAS# 94-36-0, 67-75%),which is subject to the reporting requirements of Section 313 of SARA Title III and 40 CFR
Part 373. Clean Air Act:
This material does not contain any hazardous air pollutants. This material does not contain any Class 1 Ozone depletors. This material does not contain any Class 2 Ozone depletors.
Clean Water Act: None of the chemicals in this product are listed as Hazardous Substances under
the CWA. None of the chemicals in this product are listed as Priority Pollutants under the
None of the chemicals in this product are listed as Toxic Pollutants under the CWA.
OSHA: CAS# 94-36-0 is considered highly hazardous by OSHA. STATE CAS# 94-36-0 can be found on the following state right to know lists: California,
New Jersey, Pennsylvania, Minnesota, Massachusetts. CAS# 7732-18-5 is not present on state lists from CA, PA, MN, MA, FL, or NJ.
California Prop 65 California No Significant Risk Level: None of the chemicals in this product are listed. European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: XI E Risk Phrases: R 2 Risk of explosion by shock, friction, fire or other sources of ignition.
R 36 Irritating to eyes. R 43 May cause sensitization by skin contact.
S 14 Keep away from . (incompatible materials to be indicated by the manufacturer).
S 3 Keep in a cool place. S 36/37/39 Wear suitable protective clothing, gloves and eye/face protection.
S 7 Keep container tightly closed. S 14A Keep away from acids, reducing agents and polymerisation
catalysts. WGK (Water Danger/Protection) CAS# 94-36-0: 1
CAS# 7732-18-5: No information available. Canada - DSL/NDSL CAS# 94-36-0 is listed on Canada's DSL List.
CAS# 7732-18-5 is listed on Canada's DSL List. Canada - WHMIS
This product has a WHMIS classification of D2B, F, C. Canadian Ingredient Disclosure List
CAS# 94-36-0 is listed on the Canadian Ingredient Disclosure List.
MSDS Creation Date: 8/03/1998 Revision #5 Date: 9/03/2004 The information above is believed to be accurate and represents the best information currently available to us. However, we make no warranty of merchantability or any other warranty, express or implied, with respect to such information, and we assume no liability resulting from its use. Users should make their own investigations to determine the suitability of the information for their particular purposes. In no event shall Fisher be liable for any claims, losses, or damages of any third party or for lost profits or any special, indirect, incidental, consequential or exemplary damages, howsoever arising, even if Fisher has been advised of the possibility of such damages.
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