------------------------------------------------------------------------------ MSDS for SODIUM DICHROMATE, DIHYDRATE Page 1 ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ 1 - PRODUCT IDENTIFICATION ------------------------------------------------------------------------------ PRODUCT NAME: SODIUM DICHROMATE, DIHYDRATE FORMULA: NA2CR2O7 2H2O FORMULA WT: 298.00 CAS NO.: 10588-01-9 NIOSH/RTECS NO.: HX7750000 COMMON SYNONYMS: DICHROMIC ACID, DISODIUM SALT, DIHYDRATE PRODUCT CODES: 3674,3672 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 - 2 MODERATE 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 CAUTION: CONTAINS CHROMIUM(VI),CANCER HAZARD CAUSES IRRITATION - MAY CAUSE RASH OR EXTERNAL ULCERS. STRONG OXIDIZER - CONTACT WITH OTHER MATERIAL MAY CAUSE FIRE MAY BE FATAL IF ABSORBED THROUGH SKIN - HARMFUL IF INHALED OR SWALLOWED. 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. SODIUM DICHROMATE, DIHYDRATE 90-100 10588-01-9 ------------------------------------------------------------ ------ ---------- FOR INFORMATION ONLY; ANHYDROUS FORM 10588-01-9 ------------------------------------------------------------ ------ ---------- ------------------------------------------------------------------------------ MSDS for SODIUM DICHROMATE, DIHYDRATE Page 2 ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ 3 - PHYSICAL DATA ------------------------------------------------------------------------------ BOILING POINT: N/A VAPOR PRESSURE(MM HG): N/A MELTING POINT: 357 C ( 675 F) VAPOR DENSITY(AIR=1): 10.0 SPECIFIC GRAVITY: 2.35 EVAPORATION RATE: N/A (H2O=1) (BUTYL ACETATE=1) SOLUBILITY(H2O): COMPLETE (IN ALL PROPORTIONS) % VOLATILES BY VOLUME: 0 APPEARANCE & ODOR: REDDISH TO BRIGHT ORANGE 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, ALCOHOL FOAM, DRY CHEMICAL OR CARBON DIOXIDE. 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. UNUSUAL FIRE & EXPLOSION HAZARDS STRONG OXIDIZER. CONTACT WITH OTHER MATERIAL MAY CAUSE FIRE. CLOSED CONTAINERS EXPOSED TO HEAT MAY EXPLODE. ------------------------------------------------------------------------------ 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: YES OSHA REG: YES EFFECTS OF OVEREXPOSURE INHALATION OF DUST MAY CAUSE IRRITATION TO UPPER RESPIRATORY TRACT. PROLONGED CONTACT WITH AIRBORNE SUBSTANCE MAY LEAD TO PERFORATED SEPTUM. CONTACT WITH SKIN OR EYES MAY CAUSE IRRITATION. PROLONGED CONTACT MAY CAUSE IRRITATION OR EXTERNAL ULCERS. INGESTION MAY CAUSE NAUSEA, VOMITING, HEADACHES, DIZZINESS, GASTROINTESTINAL IRRITATION. ------------------------------------------------------------------------------ MSDS for SODIUM DICHROMATE, DIHYDRATE Page 3 ------------------------------------------------------------------------------ CHRONIC EFFECTS OF OVEREXPOSURE MAY INCLUDE KIDNEY AND/OR LIVER DAMAGE. TARGET ORGANS NONE IDENTIFIED MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE NONE IDENTIFIED ROUTES OF ENTRY NONE INDICATED 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: ORGANIC MATERIALS, STRONG ACIDS, COMBUSTIBLE 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: D003 (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. ------------------------------------------------------------------------------ MSDS for SODIUM DICHROMATE, DIHYDRATE Page 4 ------------------------------------------------------------------------------ EYE/SKIN PROTECTION: SAFETY GOGGLES AND FACE SHIELD, UNIFORM, PROTECTIVE SUIT, BUTYL RUBBER 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 SODIUM DICHROMATE (AIR ONLY) HAZARD CLASS ORM-A UN/NA NA1479 LABELS NONE REPORTABLE QUANTITY 1000 LBS. INTERNATIONAL (I.M.O.) PROPER SHIPPING NAME OXIDIZING SUBSTANCES, N.O.S. (SODIUM DICHROMATE) HAZARD CLASS 5.1 UN/NA UN1479 LABELS OXIDIZING AGENT