------------------------------------------------------------------------------ MSDS for SODIUM ARSENATE, DIBASIC, 7-HYDRATE Page 1 ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ 1 - PRODUCT IDENTIFICATION ------------------------------------------------------------------------------ PRODUCT NAME: SODIUM ARSENATE, DIBASIC, 7-HYDRATE FORMULA: NA2HASO4 7H2O FORMULA WT: 312.01 CAS NO.: 10048-95-0 NIOSH/RTECS NO.: CG0900000 COMMON SYNONYMS: DISODIUM ARSENATE, HEPTAHYDRATE; ARSENIC ACID, DISODIUM SALT, HEPTAHYDRATE PRODUCT CODES: 3486 EFFECTIVE: 11/24/86 REVISION #02 PRECAUTIONARY LABELLING BAKER SAF-T-DATA(TM) SYSTEM HEALTH - 4 EXTREME (CANCER CAUSING) FLAMMABILITY - 0 NONE REACTIVITY - 1 SLIGHT CONTACT - 1 SLIGHT 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 CAUSES IRRITATION MAY BE FATAL IF SWALLOWED CAUTION: CONTAINS INORGANIC ARSENIC, CANCER HAZARD NOTE: REPORTED AS CAUSING CANCER IN LABORATORY ANIMALS. EXERCISE DUE CARE. DO NOT GET IN EYES, ON SKIN, ON CLOTHING. KEEP IN TIGHTLY CLOSED CONTAINER. WASH THOROUGHLY AFTER HANDLING. SAF-T-DATA(TM) STORAGE COLOR CODE: BLUE (HEALTH) ------------------------------------------------------------------------------ 2 - HAZARDOUS COMPONENTS ------------------------------------------------------------------------------ COMPONENT % CAS NO. SODIUM ARSENATE, DIBASIC, 7-HYDRATE 90-100 10048-95-0 --------------------------------------------------------- ------ ---------- FOR INFORMATION ONLY: SODIUM ARSENATE, DIBASIC 7778-43-0 --------------------------------------------------------- ------ ---------- ------------------------------------------------------------------------------ 3 - PHYSICAL DATA ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ MSDS for SODIUM ARSENATE, DIBASIC, 7-HYDRATE Page 2 ------------------------------------------------------------------------------ BOILING POINT: 180 C ( 356 F) VAPOR PRESSURE(MM HG): N/A MELTING POINT: 57 C ( 135 F) VAPOR DENSITY(AIR=1): N/A SPECIFIC GRAVITY: 1.87 EVAPORATION RATE: N/A (H2O=1) (BUTYL ACETATE=1) SOLUBILITY(H2O): APPRECIABLE (MORE THAN 10 %) % VOLATILES BY VOLUME: 0 APPEARANCE & ODOR: FINE, WHITE OR COLORLESS, ODORLESS CRYSTALS. ------------------------------------------------------------------------------ 4 - FIRE AND EXPLOSION HAZARD DATA ------------------------------------------------------------------------------ FLASH POINT (CLOSED CUP N/A FLAMMABLE LIMITS: UPPER - N/A % LOWER - N/A % FIRE EXTINGUISHING MEDIA USE EXTINGUISHING MEDIA APPROPRIATE FOR SURROUNDING FIRE. SPECIAL FIRE-FIGHTING PROCEDURES FIREFIGHTERS SHOULD WEAR PROPER PROTECTIVE EQUIPMENT AND SELF-CONTAINED BREATHING APPARATUS WITH FULL FACEPIECE OPERATED IN POSITIVE PRESSURE MODE. UNUSUAL FIRE & EXPLOSION HAZARDS NOTE: DECOMPOSES AT BOILING POINT. TOXIC GASES PRODUCED ARSINE ------------------------------------------------------------------------------ 5 - HEALTH HAZARD DATA ------------------------------------------------------------------------------ THIS SUBSTANCE IS LISTED AS A KNOWN CARCINOGEN BY THE NATIONAL TOXICITY PROGRAM (NTP). THRESHOLD LIMIT VALUE (TLV/TWA): 0.2 MG/M3 ( PPM) PERMISSIBLE EXPOSURE LIMIT (PEL): 0.01 MG/M3 ( PPM) CARCINOGENICITY: NTP: YES IARC: YES Z LIST: YES OSHA REG: YES EFFECTS OF OVEREXPOSURE INGESTION IS HARMFUL AND MAY BE FATAL. DUST INHALATION MAY CAUSE TIGHTNESS AND PAIN IN CHEST, COUGHING, AND DIFFICULTY IN BREATHING. CONTACT WITH SKIN OR EYES MAY CAUSE IRRITATION. INGESTION MAY CAUSE NAUSEA, VOMITING, HEADACHES, DIZZINESS, GASTROINTESTINAL IRRITATION. TARGET ORGANS NONE IDENTIFIED ------------------------------------------------------------------------------ MSDS for SODIUM ARSENATE, DIBASIC, 7-HYDRATE Page 3 ------------------------------------------------------------------------------ MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE NONE IDENTIFIED ROUTES OF ENTRY INGESTION, INHALATION, SKIN CONTACT, EYE CONTACT EMERGENCY AND FIRST AID PROCEDURES CALL A PHYSICIAN. IF SWALLOWED, IF CONSCIOUS, GIVE LARGE AMOUNTS OF WATER. 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 OR SKIN WITH PLENTY OF WATER FOR AT LEAST 15 MINUTES. ------------------------------------------------------------------------------ 6 - REACTIVITY DATA ------------------------------------------------------------------------------ STABILITY: STABLE HAZARDOUS POLYMERIZATION: WILL NOT OCCUR INCOMPATIBLES: STRONG REDUCING AGENTS DECOMPOSITION PRODUCTS: ARSINE ------------------------------------------------------------------------------ 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. 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: D004 (EP TOXIC WASTE) ------------------------------------------------------------------------------ 8 - PROTECTIVE EQUIPMENT ------------------------------------------------------------------------------ VENTILATION: USE GENERAL OR LOCAL EXHAUST VENTILATION TO MEET TLV REQUIREMENTS. RESPIRATORY PROTECTION: NONE REQUIRED WHERE ADEQUATE VENTILATION CONDITIONS EXIST. IF AIRBORNE CONCENTRATION EXCEEDS TLV, A DUST/MIST RESPIRATOR IS RECOMMENDED. IF CONCENTRATION EXCEEDS CAPACITY OF RESPIRATOR, A SELF-CONTAINED BREATHING APPARATUS IS ADVISED. EYE/SKIN PROTECTION: SAFETY GOGGLES, UNIFORM, APRON, RUBBER GLOVES ARE RECOMMENDED. ------------------------------------------------------------------------------ 9 - STORAGE AND HANDLING PRECAUTIONS ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ MSDS for SODIUM ARSENATE, DIBASIC, 7-HYDRATE Page 4 ------------------------------------------------------------------------------ SAF-T-DATA(TM) STORAGE COLOR CODE: BLUE (HEALTH) SPECIAL PRECAUTIONS KEEP CONTAINER TIGHTLY CLOSED. STORE IN SECURE POISON AREA. ------------------------------------------------------------------------------ 10 - TRANSPORTATION DATA AND ADDITIONAL INFORMATION ------------------------------------------------------------------------------ DOMESTIC (D.O.T.) PROPER SHIPPING NAME SODIUM ARSENATE HAZARD CLASS POISON B UN/NA UN1685 LABELS POISON REPORTABLE QUANTITY 1000 LBS. INTERNATIONAL (I.M.O.) PROPER SHIPPING NAME SODIUM ARSENATE HAZARD CLASS 6.1 UN/NA UN1685 LABELS POISON