N-methylpyrrolidone MSDS CHEMICAL OR PRODUCT NAME: N-methylpyrrolidone SYNONYMS (CAS #): N-methylpyrrolidinone, N-methyl-2-pyrrolidone, NMP, M-Pyrol™, N-methyl-2-pyrrolidinone 1-methyl-2-pyrrolidinone (872-50-4) STANDARDS AND REGULATIONS: EPA TSCA Chemical Inventory JUNE 1990, not RCRA regulated, DOT hazard class if >110 gal. BOILING POINT: 202 ° C (396 ° F) SPECIFIC GRAVITY: 1.033 pH: 8-9.5 VAPOR PRESSURE: 0.29 mm Hg at 20 ° C(68°F); 0.99 mm at 40 ° C(104°F) EVAPORATION RATE BuAc=1: 0.03 VOC (Gm/L): 806 ODP: 0.00 FLASH POINT: 86-96 ° C (187-204 ° F) AUTOIGNITION TEMP: 346 ° C (655 ° F) LOWER EXPLOSIVE LIMIT: 1.3% UPPER EXPLOSIVE LIMIT: 9.5% COMBUSTIBLE: Yes FLAMMABLE: 2 NONVOLATILE at STP SOLUBILITY IN WATER: Miscible APPEARANCE: Colorless liquid ODOR: Mild amine odor REACTIVITY DATA: Stable Incompatible with: strong acids and strong oxidizing agents WASTE DISPOSAL: May be burned in a chemical incinerator equipped with an afterburner and scrubber TOXICITY: TLV not established. AIHA workplace environmental exposure level = 10 ppm (8 hour TWA) ACUTE EFFECTS: Harmful by inhalation, ingestion, or skin absorption; vapor or mist irritates eyes, mucous membranes and upper respiratory tract; causes skin irritation; prolonged exposure can cause stomach pains, vomiting, diarrhea. CHRONIC EFFECTS: Overexposure may cause reproductive disorders based on test with lab animals. Target organs: bone marrow, thymus, spleen, and lymphatic system. State Information | Glossary | Conversion Checklist | Comments Home | Process Advisor | Alternatives | Links | Search All SAGE material, Copyright© 1992, Research Triangle Institute Last Update: 07 May 2001 sage@rti.org http://clean.rti.org/alt.cfm?id=nmp&cat=ms