MSDS - POTASSIUM DICHROMATE ------------------------------------------------------------------------------ 1 - PRODUCT IDENTIFICATION ------------------------------------------------------------------------------ PRODUCT NAME: POTASSIUM DICHROMATE FORMULA: K2CR2O7 FORMULA WT: 294.19 CAS NO.: 07778-50-9 NIOSH/RTECS NO.: HX7680000 COMMON SYNONYMS: DICHROMIC ACID, DIPOTASSIUM SALT; BICHROMATE OF POTASH PRODUCT CODES: 3094,3090,3092,3093 EFFECTIVE: 09/10/86 REVISION #02 PRECAUTIONARY LABELLING BAKER SAF-T-DATA(TM) SYSTEM HEALTH - 4 EXTREME (CANCER CAUSING) FLAMMABILITY - 0 NONE REACTIVITY - 3 SEVERE (OXIDIZER) CONTACT - 3 SEVERE (CORROSIVE) HAZARD RATINGS ARE 0 TO 4 (0 = NO HAZARD; 4 = EXTREME HAZARD). LABORATORY PROTECTIVE EQUIPMENT GOGGLES; LAB COAT; VENT HOOD; PROPER GLOVES PRECAUTIONARY LABEL STATEMENTS POISON DANGER STRONG OXIDIZER - CONTACT WITH OTHER MATERIAL MAY CAUSE FIRE MAY BE FATAL IF ABSORBED THROUGH SKIN - HARMFUL IF INHALED OR SWALLOWED. MAY CAUSE BURNS OR EXTERNAL ULCERS CAUTION: CONTAINS CHROMIUM(VI),CANCER HAZARD KEEP FROM CONTACT WITH CLOTHING AND OTHER COMBUSTIBLE MATERIALS. DO NOT STORE NEAR COMBUSTIBLE MATERIALS. DO NOT GET IN EYES, ON SKIN, ON CLOTHING. DO NOT BREATHE DUST. KEEP IN TIGHTLY CLOSED CONTAINER. USE WITH ADEQUATE VENTILATION. WASH THOROUGHLY AFTER HANDLING. IN CASE OF FIRE, USE WATER SPRAY, ALCOHOL FOAM, DRY CHEMICAL OR CARBON DIOXIDE. IN CASE OF SPILL, SWEEP UP AND REMOVE. FLUSH SPILL AREA WITH WATER. SAF-T-DATA(TM) STORAGE COLOR CODE: YELLOW (REACTIVE) ------------------------------------------------------------------------------ 2 - HAZARDOUS COMPONENTS ------------------------------------------------------------------------------ COMPONENT % CAS NO. POTASSIUM DICHROMATE 90-100 7778-50-9 ------------------------------------------------------------------------------ 3 - PHYSICAL DATA ------------------------------------------------------------------------------ BOILING POINT: N/A VAPOR PRESSURE(MM HG): N/A MELTING POINT: 398 C ( 748 F) VAPOR DENSITY(AIR=1): 10.0 SPECIFIC GRAVITY: 2.67 EVAPORATION RATE: N/A (H2O=1) (BUTYL ACETATE=1) SOLUBILITY(H2O): APPRECIABLE (MORE THAN 10 %) % VOLATILES BY VOLUME: 0 APPEARANCE & ODOR: BRIGHT, ORANGE-RED CRYSTALS. ------------------------------------------------------------------------------ 4 - FIRE AND EXPLOSION HAZARD DATA ------------------------------------------------------------------------------ FLASH POINT (CLOSED CUP N/A NFPA 704M RATING: 1-0-1 OXY 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 (POSITIVE PRESSURE IF AVAILABLE) BREATHING APPARATUS WITH FULL FACEPIECE. MOVE EXPOSED CONTAINERS FROM FIRE AREA IF IT CAN BE DONE WITHOUT RISK. USE WATER TO KEEP FIRE-EXPOSED CONTAINERS COOL. UNUSUAL FIRE & EXPLOSION HAZARDS STRONG OXIDIZER. CONTACT WITH OTHER MATERIAL MAY CAUSE FIRE. ------------------------------------------------------------------------------ 5 - HEALTH HAZARD DATA ------------------------------------------------------------------------------ THIS SUBSTANCE IS LISTED AS AN NTP HUMAN CARCINOGEN AND AND IARC HUMAN CARCINOGEN (GROUP 1). THRESHOLD LIMIT VALUE (TLV/TWA): 0.05 MG/M3 ( PPM) PERMISSIBLE EXPOSURE LIMIT (PEL): 0.5 MG/M3 ( PPM) CARCINOGENICITY: NTP: YES IARC: YES Z LIST: NO OSHA REG: NO EFFECTS OF OVEREXPOSURE CONTACT WITH SKIN MAY CAUSE ULCERS, LOCAL DISCOLORATION, ECZEMA. PROLONGED CONTACT WITH AIRBORNE SUBSTANCE MAY LEAD TO PERFORATED SEPTUM. DUST MAY ULCERATE MUCOUS MEMBRANES. INGESTION MAY CAUSE NAUSEA, VOMITING, HEADACHES, DIZZINESS, GASTROINTESTINAL IRRITATION. SKIN ABSORPTION MAY BE HARMFUL OR FATAL. TARGET ORGANS SKIN MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE NONE IDENTIFIED ROUTES OF ENTRY INGESTION, EYE CONTACT, SKIN CONTACT EMERGENCY AND FIRST AID PROCEDURES CALL A PHYSICIAN. IF SWALLOWED, IF CONSCIOUS, IMMEDIATELY INDUCE VOMITING. 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: STABLE HAZARDOUS POLYMERIZATION: WILL NOT OCCUR CONDITIONS TO AVOID: HEAT INCOMPATIBLES: COMBUSTIBLE MATERIALS, ORGANIC MATERIALS, STRONG REDUCING AGENTS ------------------------------------------------------------------------------ 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. KEEP COMBUSTIBLES (WOOD, PAPER, OIL, ETC.) AWAY FROM SPILLED MATERIAL. WITH CLEAN SHOVEL, CAREFULLY PLACE MATERIAL INTO CLEAN, DRY 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: D002, D003 (CORROSIVE, REACTIVE WASTE) ------------------------------------------------------------------------------ 8 - PROTECTIVE EQUIPMENT ------------------------------------------------------------------------------ VENTILATION: USE ADEQUATE GENERAL OR LOCAL EXHAUST VENTILATION TO KEEP FUME OR DUST LEVELS AS LOW AS POSSIBLE. RESPIRATORY PROTECTION: A RESPIRATOR WITH DUST/MIST FILTER IS RECOMMENDED. IF AIRBORNE CONCENTRATION EXCEEDS TLV, A SELF- CONTAINED BREATHING APPARATUS IS ADVISED. EYE/SKIN PROTECTION: SAFETY GOGGLES, UNIFORM, APRON, PROPER GLOVES ARE RECOMMENDED. ------------------------------------------------------------------------------ 9 - STORAGE AND HANDLING PRECAUTIONS ------------------------------------------------------------------------------ SAF-T-DATA(TM) STORAGE COLOR CODE: YELLOW (REACTIVE) SPECIAL PRECAUTIONS KEEP CONTAINER TIGHTLY CLOSED. STORE SEPARATELY AND AWAY FROM FLAMMABLE AND COMBUSTIBLE MATERIALS. ------------------------------------------------------------------------------ 10 - TRANSPORTATION DATA AND ADDITIONAL INFORMATION ------------------------------------------------------------------------------ DOMESTIC (D.O.T.) PROPER SHIPPING NAME POTASSIUM DICHROMATE (AIR ONLY) HAZARD CLASS ORM-A UN/NA NA1479 LABELS NONE REPORTABLE QUANTITY 1000 LBS. INTERNATIONAL (I.M.O.) PROPER SHIPPING NAME CHEMICALS, N.O.S. (NON-REGULATED)