------------------------------------------------------------------------------ MSDS for BENZOYL PEROXIDE Page 1 ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ 1 - PRODUCT IDENTIFICATION ------------------------------------------------------------------------------ PRODUCT NAME: BENZOYL PEROXIDE FORMULA: (C6H5CO)2O2 FORMULA WT: 242.23 CAS NO.: 00094-36-0 NIOSH/RTECS NO.: DM8575000 COMMON SYNONYMS: BENZOIC ACID, PEROXIDE; DIBENZOYL PEROXIDE; BENZOYL SUPEROXIDE PRODUCT CODES: B983 EFFECTIVE: 08/27/86 REVISION #02 PRECAUTIONARY LABELLING BAKER SAF-T-DATA(TM) SYSTEM HEALTH - 2 MODERATE FLAMMABILITY - 4 EXTREME (FLAMMABLE) REACTIVITY - 3 SEVERE (EXPLOSIVE) CONTACT - 3 SEVERE (LIFE) HAZARD RATINGS ARE 0 TO 4 (0 = NO HAZARD; 4 = EXTREME HAZARD). LABORATORY PROTECTIVE EQUIPMENT STOP SIGN - SEE SECTION VIII FOR PRECAUTIONS PRECAUTIONARY LABEL STATEMENTS DANGER CAUSES IRRITATION EXCEPTIONAL CONTACT HAZARD - READ MATERIAL SAFETY DATA SHEET STRONG OXIDIZER. FLAMMABLE. HEAT, SHOCK, OR CONTACT WITH OTHER MATERIAL MAY CAUSE FIRE OR EXPLOSIVE DECOMPOSITION. KEEP FROM CONTACT WITH CLOTHING AND OTHER COMBUSTIBLE MATERIALS. STORE IN ORIGINAL TIGHTLY CLOSED CONTAINER IN A COOL AREA AND PROTECT FROM DIRECT SUNLIGHT. DO NOT ADD TO HOT MATERIALS. DO NOT GRIND OR SUBJECT TO FRICTIONAL HEAT OR SHOCK-EXPLOSIVE DECOMPOSITION MAY RESULT. PREVENT CONTAMINATION WITH READILY OXIDIZABLE MATERIALS AND POLYMERIZATION ACCELERATORS. DO NOT GET IN EYES, ON SKIN. AVOID BREATHING DUST. WASH THOROUGHLY AFTER HANDLING. USE WITH ADEQUATE VENTILATION. REMOVE AND WASH CONTAMINATED CLOTHING PROMPTLY. IN CASE OF FIRE, SOAK WITH WATER. IN CASE OF SPILL, CAREFULLY SWEEP UP AND REMOVE. FLUSH AREA WITH WATER. SAF-T-DATA(TM) STORAGE COLOR CODE: RED STRIPE (STORE SEPARATELY) ------------------------------------------------------------------------------ 2 - HAZARDOUS COMPONENTS ------------------------------------------------------------------------------ COMPONENT % CAS NO. ------------------------------------------------------------------------------ MSDS for BENZOYL PEROXIDE Page 2 ------------------------------------------------------------------------------ BENZOYL PEROXIDE 90-100 94-36-0 ------------------------------------------------------------------------------ 3 - PHYSICAL DATA ------------------------------------------------------------------------------ BOILING POINT: N/A VAPOR PRESSURE(MM HG): <1 MELTING POINT: 105 C ( 221 F) VAPOR DENSITY(AIR=1): N/A SPECIFIC GRAVITY: 1.33 EVAPORATION RATE: N/A (H2O=1) (BUTYL ACETATE=1) SOLUBILITY(H2O): NEGLIGIBLE (LESS THAN 0.1 %) % VOLATILES BY VOLUME: 0 APPEARANCE & ODOR: WHITE GRANULAR SOLID WITH SLIGHT BENZALDEHYDE ODOR. ------------------------------------------------------------------------------ 4 - FIRE AND EXPLOSION HAZARD DATA ------------------------------------------------------------------------------ FLASH POINT (CLOSED CUP: 41 C ( 105 F) NFPA 704M RATING: 1-4-4 FLAMMABLE LIMITS: UPPER - N/A % LOWER - N/A % FIRE EXTINGUISHING MEDIA USE WATER SPRAY. SPECIAL FIRE-FIGHTING PROCEDURES FIREFIGHTERS SHOULD WEAR PROPER PROTECTIVE EQUIPMENT AND SELF-CONTAINED BREATHING APPARATUS WITH FULL FACEPIECE OPERATED IN POSITIVE PRESSURE MODE. MOVE CONTAINERS FROM FIRE AREA IF IT CAN BE DONE WITHOUT RISK. USE WATER TO KEEP FIRE-EXPOSED CONTAINERS COOL. FLUSH AREA WITH WATER UNTIL COOL SO REIGNITION WILL NOT OCCUR. UNUSUAL FIRE & EXPLOSION HAZARDS DUST MAY FORM EXPLOSIVE MIXTURE WITH AIR. CAN REACT VIOLENTLY WITH SHOCK, FRICTION OR HEAT. TOXIC GASES PRODUCED CARBON MONOXIDE, CARBON DIOXIDE ------------------------------------------------------------------------------ 5 - HEALTH HAZARD DATA ------------------------------------------------------------------------------ THRESHOLD LIMIT VALUE (TLV/TWA): 5 MG/M3 ( PPM) PERMISSIBLE EXPOSURE LIMIT (PEL): 5 MG/M3 ( PPM) TOXICITY: LD50 (ORAL-RAT)(MG/KG) - 7710 CARCINOGENICITY: NTP: NO IARC: NO Z LIST: NO OSHA REG: NO ------------------------------------------------------------------------------ MSDS for BENZOYL PEROXIDE Page 3 ------------------------------------------------------------------------------ EFFECTS OF OVEREXPOSURE DUST MAY BE IRRITATING TO EYES, NOSE, THROAT, OR LUNGS. DUST MAY IRRITATE SKIN. TARGET ORGANS SKIN, RESPIRATORY SYSTEM, EYES MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE NONE IDENTIFIED ROUTES OF ENTRY INHALATION, INGESTION, EYE CONTACT, SKIN CONTACT EMERGENCY AND FIRST AID PROCEDURES IF INHALED, REMOVE TO FRESH AIR. IF NOT BREATHING, GIVE ARTIFICIAL RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN. IN CASE OF CONTACT, IMMEDIATELY FLUSH EYES WITH PLENTY OF WATER FOR AT LEAST 15 MINUTES. FLUSH SKIN WITH WATER. ------------------------------------------------------------------------------ 6 - REACTIVITY DATA ------------------------------------------------------------------------------ STABILITY: UNSTABLE HAZARDOUS POLYMERIZATION: WILL NOT OCCUR CONDITIONS TO AVOID: HEAT, FLAME, OTHER SOURCES OF IGNITION, FRICTION, SHOCK INCOMPATIBLES: POLYMERIZATION CATALYSTS & ACCELERATORS, STRONG ACIDS, STRONG OXIDIZING AGENTS, STRONG REDUCING AGENTS, MOST COMMON METALS, METAL OXIDES, AMINES, COMBUSTIBLE MATERIALS DECOMPOSITION PRODUCTS: CARBON MONOXIDE, CARBON DIOXIDE ------------------------------------------------------------------------------ 7 - SPILL AND DISPOSAL PROCEDURES ------------------------------------------------------------------------------ STEPS TO BE TAKEN IN THE EVENT OF A SPILL OR DISCHARGE WEAR SELF-CONTAINED BREATHING APPARATUS AND FULL PROTECTIVE CLOTHING. SHUT OFF IGNITION SOURCES; NO FLARES, SMOKING, OR FLAMES IN AREA. KEEP COMBUSTIBLES (WOOD, PAPER, OIL, ETC.) AWAY FROM SPILLED MATERIAL. SOAK WITH WATER OR COVER WITH WET VERMICULITE, SAND, OR OTHER INERT MATERIAL. USING CLEAN, NON-SPARKING TOOLS, PLACE IN CLEAN CONTAINER AND COVER; REMOVE FROM AREA. FLUSH SPILL AREA WITH WATER. DISPOSAL PROCEDURE DISPOSE IN ACCORDANCE WITH ALL APPLICABLE FEDERAL, STATE, AND LOCAL ENVIRONMENTAL REGULATIONS. EPA HAZARDOUS WASTE NUMBER: D001,D002,D003(IGNITABLE,CORROSIVE,REACTIVE ------------------------------------------------------------------------------ 8 - PROTECTIVE EQUIPMENT ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ MSDS for BENZOYL PEROXIDE Page 4 ------------------------------------------------------------------------------ VENTILATION: USE GENERAL OR LOCAL EXHAUST VENTILATION TO MEET TLV REQUIREMENTS. RESPIRATORY PROTECTION: RESPIRATORY PROTECTION REQUIRED IF AIRBORNE CONCENTRATION EXCEEDS TLV. AT CONCENTRATIONS UP TO 5 PPM, A DUST/MIST RESPIRATOR IS RECOMMENDED. ABOVE THIS LEVEL, A SELF-CONTAINED BREATHING APPARATUS IS ADVISED. EYE/SKIN PROTECTION: SAFETY GOGGLES, UNIFORM, APRON, RUBBER GLOVES ARE RECOMMENDED. ------------------------------------------------------------------------------ 9 - STORAGE AND HANDLING PRECAUTIONS ------------------------------------------------------------------------------ SAF-T-DATA(TM) STORAGE COLOR CODE: RED STRIPE (STORE SEPARATELY) SPECIAL PRECAUTIONS KEEP CONTAINER TIGHTLY CLOSED. STORE IN COOL, DRY, WELL-VENTILATED AREA AWAY FROM HEAT, SPARKS, OR FLAME. ISOLATE FROM INCOMPATIBLE MATERIALS. KEEP PRODUCT OUT OF LIGHT. PRODUCT MUST BE REFRIGERATED AT 2 - 8 C (36 - 46 F). ------------------------------------------------------------------------------ 10 - TRANSPORTATION DATA AND ADDITIONAL INFORMATION ------------------------------------------------------------------------------ DOMESTIC (D.O.T.) PROPER SHIPPING NAME BENZOYL PEROXIDE HAZARD CLASS ORGANIC PEROXIDE UN/NA NA2085 LABELS ORGANIC PEROXIDE INTERNATIONAL (I.M.O.) PROPER SHIPPING NAME BENZOYL PEROXIDE HAZARD CLASS 5.2 UN/NA UN2085 LABELS ORGANIC PEROXIDE