------------------------------------------------------------------------------ MSDS for IODOMETHANE Page 1 ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ 1 - PRODUCT IDENTIFICATION ------------------------------------------------------------------------------ PRODUCT NAME: IODOMETHANE FORMULA: CH3I FORMULA WT: 141.94 CAS NO.: 00074-88-4 NIOSH/RTECS NO.: PA9450000 COMMON SYNONYMS: METHYL IODIDE PRODUCT CODES: P086 EFFECTIVE: 12/01/86 REVISION #02 PRECAUTIONARY LABELLING BAKER SAF-T-DATA(TM) SYSTEM HEALTH - 3 SEVERE (CANCER CAUSING) FLAMMABILITY - 0 NONE REACTIVITY - 0 NONE CONTACT - 3 SEVERE (LIFE) HAZARD RATINGS ARE 0 TO 4 (0 = NO HAZARD; 4 = EXTREME HAZARD). LABORATORY PROTECTIVE EQUIPMENT GOGGLES & SHIELD; LAB COAT & APRON; VENT HOOD; PROPER GLOVES PRECAUTIONARY LABEL STATEMENTS POISON DANGER CAUSES IRRITATION MAY BE FATAL IF SWALLOWED OR INHALED DO NOT GET IN EYES, ON SKIN, ON CLOTHING. DO NOT BREATHE VAPOR. 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. IODOMETHANE 90-100 74-88-4 ------------------------------------------------------------------------------ 3 - PHYSICAL DATA ------------------------------------------------------------------------------ BOILING POINT: 42 C ( 108 F) VAPOR PRESSURE(MM HG): 400 MELTING POINT: -67 C ( -89 F) VAPOR DENSITY(AIR=1): 4.9 SPECIFIC GRAVITY: 2.30 EVAPORATION RATE: N/A ------------------------------------------------------------------------------ MSDS for IODOMETHANE Page 2 ------------------------------------------------------------------------------ (H2O=1) (BUTYL ACETATE=1) SOLUBILITY(H2O): MODERATE (1 TO 10 %) % VOLATILES BY VOLUME: 100 APPEARANCE & ODOR: COLORLESS TO PALE YELLOW LIQUID WITH IODIDE ODOR. ------------------------------------------------------------------------------ 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 CLOSED CONTAINERS EXPOSED TO HEAT MAY EXPLODE. TOXIC GASES PRODUCED IODINE ------------------------------------------------------------------------------ 5 - HEALTH HAZARD DATA ------------------------------------------------------------------------------ TLV AND PEL LISTED DENOTE (SKIN). THRESHOLD LIMIT VALUE (TLV/TWA): 10 MG/M3 ( 2 PPM) SHORT-TERM EXPOSURE LIMIT (STEL): 30 MG/M3 ( 5 PPM) PERMISSIBLE EXPOSURE LIMIT (PEL): 28 MG/M3 ( 5 PPM) TOXICITY: LD50 (SCU-MOUSE)(MG/KG) - 110 LDLO (ORAL-RAT)(MG/KG) - 150 CARCINOGENICITY: NTP: YES IARC: YES Z LIST: NO OSHA REG: NO EFFECTS OF OVEREXPOSURE VAPORS MAY CAUSE SLIGHT SMARTING OF EYES OR RESPIRATORY SYSTEM IF PRESENT AT HIGH CONCENTRATIONS. LIQUID MAY CAUSE BURNS TO SKIN AND EYES. LIQUID MAY CAUSE DERMATITIS. SKIN ABSORPTION MAY BE HARMFUL. INHALATION OF VAPORS MAY CAUSE NARCOSIS. TARGET ORGANS EYES, SKIN ------------------------------------------------------------------------------ MSDS for IODOMETHANE Page 3 ------------------------------------------------------------------------------ MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE NONE IDENTIFIED ROUTES OF ENTRY EYE CONTACT, SKIN CONTACT, INHALATION, ABSORPTION 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 OR SKIN WITH PLENTY OF WATER FOR AT LEAST 15 MINUTES. ACGIH DENOTES THAT THIS SUBSTANCE IS SUSPECT OF CARCINOGENIC POTENTIAL FOR MAN. ------------------------------------------------------------------------------ 6 - REACTIVITY DATA ------------------------------------------------------------------------------ STABILITY: STABLE HAZARDOUS POLYMERIZATION: WILL NOT OCCUR CONDITIONS TO AVOID: LIGHT, MOISTURE INCOMPATIBLES: STRONG OXIDIZING AGENTS DECOMPOSITION PRODUCTS: IODINE ------------------------------------------------------------------------------ 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. STOP LEAK IF YOU CAN DO SO WITHOUT RISK. USE WATER SPRAY TO REDUCE VAPORS. TAKE UP WITH SAND OR OTHER NON-COMBUSTIBLE ABSORBENT MATERIAL AND PLACE INTO CONTAINER FOR LATER DISPOSAL. FLUSH SPILL AREA WITH WATER. DISPOSAL PROCEDURE DISPOSE IN ACCORDANCE WITH ALL APPLICABLE FEDERAL, STATE, AND LOCAL ENVIRONMENTAL REGULATIONS. ------------------------------------------------------------------------------ 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 UP TO 50 PPM, A CHEMICAL CARTRIDGE RESPIRATOR WITH ORGANIC VAPOR CARTRIDGE IS RECOMMENDED. ABOVE THIS LEVEL, A SELF-CONTAINED BREATHING APPARATUS IS RECOMMENDED. ------------------------------------------------------------------------------ MSDS for IODOMETHANE Page 4 ------------------------------------------------------------------------------ EYE/SKIN PROTECTION: SAFETY GOGGLES AND FACE SHIELD, UNIFORM, PROTECTIVE SUIT, PROPER GLOVES ARE RECOMMENDED. ------------------------------------------------------------------------------ 9 - STORAGE AND HANDLING PRECAUTIONS ------------------------------------------------------------------------------ SAF-T-DATA(TM) STORAGE COLOR CODE: BLUE (HEALTH) SPECIAL PRECAUTIONS KEEP CONTAINER TIGHTLY CLOSED. STORE IN SECURE POISON AREA. KEEP PRODUCT OUT OF LIGHT. CONTAINS A STRIP OF COPPER FOIL TO INHIBIT DISCOLORATION. ------------------------------------------------------------------------------ 10 - TRANSPORTATION DATA AND ADDITIONAL INFORMATION ------------------------------------------------------------------------------ DOMESTIC (D.O.T.) PROPER SHIPPING NAME POISON B LIQUID, N.O.S. (IODOMETHANE) HAZARD CLASS POISON B UN/NA UN2810 LABELS POISON INTERNATIONAL (I.M.O.) PROPER SHIPPING NAME IODOMETHANE HAZARD CLASS 6.1 UN/NA UN2644 LABELS POISON