------------------------------------------------------------------------------ MSDS for SODIUM ARSENITE Page 1 ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ 1 - PRODUCT IDENTIFICATION ------------------------------------------------------------------------------ PRODUCT NAME: SODIUM ARSENITE FORMULA: NAASO2 FORMULA WT: 129.91 CAS NO.: 07784-46-5 NIOSH/RTECS NO.: CG3675000 COMMON SYNONYMS: SODIUM METAARSENITE PRODUCT CODES: 3487 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 MAY BE FATAL IF INHALED OR ABSORBED THROUGH SKIN CAUTION: CONTAINS INORGANIC ARSENIC, CANCER HAZARD DO NOT BREATHE DUST. KEEP IN TIGHTLY CLOSED CONTAINER. USE WITH ADEQUATE VENTILATION. WASH THOROUGHLY AFTER HANDLING. SAF-T-DATA(TM) STORAGE COLOR CODE: BLUE (HEALTH) ------------------------------------------------------------------------------ 2 - HAZARDOUS COMPONENTS ------------------------------------------------------------------------------ COMPONENT % CAS NO. SODIUM ARSENITE 90-100 7784-46-5 ------------------------------------------------------------------------------ 3 - PHYSICAL DATA ------------------------------------------------------------------------------ BOILING POINT: N/A VAPOR PRESSURE(MM HG): N/A MELTING POINT: 615 C ( 1139 F) VAPOR DENSITY(AIR=1): N/A SPECIFIC GRAVITY: 1.87 EVAPORATION RATE: N/A (H2O=1) (BUTYL ACETATE=1) ------------------------------------------------------------------------------ MSDS for SODIUM ARSENITE Page 2 ------------------------------------------------------------------------------ SOLUBILITY(H2O): APPRECIABLE (MORE THAN 10 %) % VOLATILES BY VOLUME: 0 APPEARANCE & ODOR: WHITE, CRYSTALLINE, ODORLESS POWDER. ------------------------------------------------------------------------------ 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. TOXIC GASES PRODUCED OXIDES ------------------------------------------------------------------------------ 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) TOXICITY: LD50 (ORAL-RAT)(MG/KG) - 41 LD50 (SKN-RAT) (MG/KG) - 150 LD50 (IPR-MOUSE)(MG/KG) - 19 LD50 (SCU-MOUSE)(MG/KG) - 10 CARCINOGENICITY: NTP: YES IARC: YES Z LIST: YES OSHA REG: YES EFFECTS OF OVEREXPOSURE INHALATION AND INGESTION ARE HARMFUL AND MAY BE FATAL. INHALATION OF DUST MAY CAUSE HEADACHE, NAUSEA, VOMITING, SHORTNESS OF BREATH, OR BLURRED VISION. CONTACT WITH SKIN OR EYES MAY CAUSE IRRITATION. INGESTION MAY CAUSE NAUSEA, VOMITING, HEADACHES, DIZZINESS, GASTROINTESTINAL IRRITATION. CHRONIC EFFECTS OF OVEREXPOSURE MAY CAUSE LIVER DAMAGE. TARGET ORGANS NONE IDENTIFIED MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE NONE IDENTIFIED ------------------------------------------------------------------------------ MSDS for SODIUM ARSENITE Page 3 ------------------------------------------------------------------------------ ROUTES OF ENTRY ABSORPTION, INHALATION 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 OXIDIZING AGENTS, CARBON DIOXIDE DECOMPOSITION PRODUCTS: OXIDES ------------------------------------------------------------------------------ 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: RESPIRATORY PROTECTION REQUIRED IF AIRBORNE CONCENTRATION EXCEEDS TLV. AT CONCENTRATIONS ABOVE 2 PPM, 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: BLUE (HEALTH) ------------------------------------------------------------------------------ MSDS for SODIUM ARSENITE Page 4 ------------------------------------------------------------------------------ SPECIAL PRECAUTIONS KEEP CONTAINER TIGHTLY CLOSED. STORE IN SECURE POISON AREA. ------------------------------------------------------------------------------ 10 - TRANSPORTATION DATA AND ADDITIONAL INFORMATION ------------------------------------------------------------------------------ DOMESTIC (D.O.T.) PROPER SHIPPING NAME POISON B SOLID, N.O.S. (SODIUM ARSENITE) HAZARD CLASS POISON B UN/NA UN2811 LABELS POISON REPORTABLE QUANTITY 1000 LBS. INTERNATIONAL (I.M.O.) PROPER SHIPPING NAME SODIUM ARSENITE, SOLID HAZARD CLASS 6.1 UN/NA UN2027 LABELS POISON