------------------------------------------------------------------------------ MSDS for N-METHYLACETAMIDE Page 1 ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ 1 - PRODUCT IDENTIFICATION ------------------------------------------------------------------------------ PRODUCT NAME: N-METHYLACETAMIDE FORMULA: CH3CONHCH3 FORMULA WT: 73.11 CAS NO.: 79-16-3 NIOSH/RTECS NO.: AC5960000 COMMON SYNONYMS: METHYLACETAMIDE; MONOMETHYLACETAMIDE; ACETYLMETHYLAMINE PRODUCT CODES: P988 EFFECTIVE: 11/25/86 REVISION #01 PRECAUTIONARY LABELLING PRECAUTIONARY LABEL STATEMENTS CAUTION MAY CAUSE IRRITATION THERE IS INSUFFICIENT DATA IN THE PUBLISHED LITERATURE TO ASSIGN COMPLETE NUMERICAL SAF-T-DATA RATINGS AND LABORATORY PROTECTIVE EQUIPMENT FOR THIS PRODUCT. SPECIAL PRECAUTIONS MUST BE USED IN STORAGE, USE AND HANDLING. PROTECTIVE EQUIPMENT FOR LABORATORY BENCH USE SHOULD BE CHOSEN USING PROFESSIONAL JUDGMENT BASED ON THE SIZE AND TYPE OF REACTION OR TEST TO BE CONDUCTED AND THE AVAILABLE VENTILATION, WITH OVERRIDING CONSIDERATION TO MINIMIZE CONTACT WITH THE CHEMICAL. DURING USE AVOID CONTACT WITH EYES, SKIN, CLOTHING. WASH THOROUGHLY AFTER HANDLING. WHEN NOT IN USE KEEP IN TIGHTLY CLOSED CONTAINER. ------------------------------------------------------------------------------ 2 - HAZARDOUS COMPONENTS ------------------------------------------------------------------------------ COMPONENT % CAS NO. N-METHYLACETAMIDE 90-100 79-16-3 ------------------------------------------------------------------------------ 3 - PHYSICAL DATA ------------------------------------------------------------------------------ BOILING POINT: 205 C ( 401 F) VAPOR PRESSURE(MM HG): N/A MELTING POINT: 27 C ( 81 F) VAPOR DENSITY(AIR=1): N/A SPECIFIC GRAVITY: 0.96 EVAPORATION RATE: N/A (H2O=1) (BUTYL ACETATE=1) SOLUBILITY(H2O): COMPLETE (IN ALL PROPORTIONS) % VOLATILES BY VOLUME: N/A APPEARANCE & ODOR: CLEAR, COLORLESS LIQUID. ------------------------------------------------------------------------------ 4 - FIRE AND EXPLOSION HAZARD DATA ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ MSDS for N-METHYLACETAMIDE Page 2 ------------------------------------------------------------------------------ FLASH POINT (CLOSED CUP 108 C ( 227 F) FLAMMABLE LIMITS: UPPER - N/A % LOWER - N/A % FIRE EXTINGUISHING MEDIA USE ALCOHOL FOAM, DRY CHEMICAL OR CARBON DIOXIDE. (WATER MAY BE INEFFECTIVE.) 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. TOXIC GASES PRODUCED NITROGEN OXIDES, CARBON MONOXIDE, CARBON DIOXIDE ------------------------------------------------------------------------------ 5 - HEALTH HAZARD DATA ------------------------------------------------------------------------------ TOXICITY: LD50 (ORAL-RAT)(MG/KG) - 5000 LD50 (IPR-RAT)(MG/KG) - 2750 LD50 (SCU-RAT)(MG/KG) - 3600 CARCINOGENICITY: NTP: NO IARC: NO Z LIST: NO OSHA REG: NO EFFECTS OF OVEREXPOSURE INHALATION OF VAPORS MAY CAUSE COUGHING, CHEST PAINS, OR NOSE AND THROAT IRRITATION. CONTACT CAN CAUSE EYE IRRITATION. PROLONGED CONTACT MAY CAUSE SKIN IRRITATION. TARGET ORGANS NONE IDENTIFIED MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE NONE IDENTIFIED ROUTES OF ENTRY INHALATION, SKIN CONTACT, EYE CONTACT EMERGENCY AND FIRST AID PROCEDURES CALL A PHYSICIAN. IF SWALLOWED, DO NOT 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 ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ MSDS for N-METHYLACETAMIDE Page 3 ------------------------------------------------------------------------------ STABILITY: STABLE HAZARDOUS POLYMERIZATION: WILL NOT OCCUR CONDITIONS TO AVOID: HEAT, FLAME, OTHER SOURCES OF IGNITION INCOMPATIBLES: STRONG OXIDIZING AGENTS DECOMPOSITION PRODUCTS: OXIDES OF NITROGEN, CARBON MONOXIDE, CARBON DIOXIDE ------------------------------------------------------------------------------ 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. SHUT OFF IGNITION SOURCES; NO FLARES, SMOKING OR FLAMES IN AREA. 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 AREA WITH WATER. DISPOSAL PROCEDURE DISPOSE IN ACCORDANCE WITH ALL APPLICABLE FEDERAL, STATE, AND LOCAL ENVIRONMENTAL REGULATIONS. ------------------------------------------------------------------------------ 8 - PROTECTIVE EQUIPMENT ------------------------------------------------------------------------------ VENTILATION: USE ADEQUATE GENERAL OR LOCAL EXHAUST VENTILATION TO KEEP VAPOR AND MIST LEVELS AS LOW AS POSSIBLE. RESPIRATORY PROTECTION: NONE REQUIRED WHERE ADEQUATE VENTILATION CONDITIONS EXIST. IF AIRBORNE CONCENTRATION IS HIGH, A CHEMICAL CARTRIDGE RESPIRATOR WITH ORGANIC VAPOR CARTRIDGE IS RECOMMENDED. IF CONCENTRATION EXCEEDS CAPACITY OF CARTRIDGE RESPIRATOR, A SELF- CONTAINED BREATHING APPARATUS IS ADVISED. EYE/SKIN PROTECTION: SAFETY GOGGLES AND FACE SHIELD, UNIFORM, PROTECTIVE SUIT, PROPER GLOVES ARE RECOMMENDED. ------------------------------------------------------------------------------ 9 - STORAGE AND HANDLING PRECAUTIONS ------------------------------------------------------------------------------ SPECIAL PRECAUTIONS KEEP CONTAINER TIGHTLY CLOSED. STORE IN A COOL, DRY, WELL-VENTILATED, FLAMMABLE LIQUID STORAGE AREA OR CABINET. ------------------------------------------------------------------------------ 10 - TRANSPORTATION DATA AND ADDITIONAL INFORMATION ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ MSDS for N-METHYLACETAMIDE Page 4 ------------------------------------------------------------------------------