------------------------------------------------------------------------------ MSDS for METHYL IODIDE Page 1 ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ 1 - PRODUCT IDENTIFICATION ------------------------------------------------------------------------------ PRODUCT NAME: METHYL IODIDE FORMULA: CH3I FORMULA WT: 141.94 CAS NO.: 00074-88-4 NIOSH/RTECS NO.: PA9450000 COMMON SYNONYMS: IODOMETHANE, HALON 10001 PRODUCT CODES: 2692 EFFECTIVE: 10/24/86 REVISION #03 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 NOTE: REPORTED AS CAUSING CANCER IN LABORATORY ANIMALS. EXERCISE DUE CARE. 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. METHYL IODIDE 90-100 74-88-4 METHYL IODIDE 90-100 74-88-4 ------------------------------------------------------------------------------ 3 - PHYSICAL DATA ------------------------------------------------------------------------------ BOILING POINT: 42 C ( 108 F) VAPOR PRESSURE(MM HG): 400 MELTING POINT: -66 C ( -87 F) VAPOR DENSITY(AIR=1): 4.9 ------------------------------------------------------------------------------ MSDS for METHYL IODIDE Page 2 ------------------------------------------------------------------------------ SPECIFIC GRAVITY: 2.30 EVAPORATION RATE: N/A (H2O=1) (BUTYL ACETATE=1) SOLUBILITY(H2O): MODERATE (1 TO 10 %) % VOLATILES BY VOLUME: 100 APPEARANCE & ODOR: COLORLESS LIQUID THAT TURNS BROWN ON EXPOSURE TO LIGHT. ------------------------------------------------------------------------------ 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 (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 CAN BE AN EXPLOSION HAZARD, ESPECIALLY WHEN HEATED. ------------------------------------------------------------------------------ 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 CARCINOGENICITY: NTP: YES IARC: YES Z LIST: NO OSHA REG: NO EFFECTS OF OVEREXPOSURE INHALATION MAY BE HARMFUL OR FATAL. SKIN ABSORPTION MAY BE HARMFUL OR FATAL. TARGET ORGANS CENTRAL NERVOUS SYSTEM, SKIN, EYES MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE NONE IDENTIFIED ------------------------------------------------------------------------------ MSDS for METHYL IODIDE Page 3 ------------------------------------------------------------------------------ ROUTES OF ENTRY INHALATION, 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 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, HEAT INCOMPATIBLES: STRONG OXIDIZING AGENTS, MERCURY 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. EPA HAZARDOUS WASTE NUMBER: U138 (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 AND FACE SHIELD, UNIFORM, PROTECTIVE SUIT, RUBBER GLOVES ARE RECOMMENDED. ------------------------------------------------------------------------------ MSDS for METHYL IODIDE Page 4 ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ 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. ------------------------------------------------------------------------------ 10 - TRANSPORTATION DATA AND ADDITIONAL INFORMATION ------------------------------------------------------------------------------ DOMESTIC (D.O.T.) PROPER SHIPPING NAME POISON B LIQUID, N.O.S. (METHYL IODIDE) HAZARD CLASS POISON B UN/NA UN2810 LABELS POISON REPORTABLE QUANTITY 1 LBS. INTERNATIONAL (I.M.O.) PROPER SHIPPING NAME METHYL IODIDE HAZARD CLASS 6.1 UN/NA UN2644 LABELS POISON