N-MethylpyrrolidoneSuggested Intermediate for the chemical industry. Application Solvent for numerous polymers. e.g. polyamides, polyimides, polyamidimides, and polyacrylonitrile. Solvent for the extraction of acetylene, 1, 3-butadiene, isoprene, aromatic hydrocarbons or lube oils, and for scrubbing gases, Special solvent for pesticides. Form; solubility Colourless liquid with weak amine odour; it is miscible with water And nearly all common organic solvents. Specification Assay At least 99.5% (by gas chromatography) Special grade Impurities At most 0.01% methanamine (by gas chromatography). At most 0.05% wateer (ASTM D 1364-64) Dist Impurities At most 0.02% methanamine (by gas chromatography) At most 0.1% water (ASTM D 1364-64). Melting temperature -25℃ Boling temperature 202.5-205℃(5-95%, ASTM D 1078-70). Density at 25℃ 1.028g/cm(ASTM D 941-55). Flash point 91℃(ASTM D 93-73). Storage and shelf life Unlimited in unopened containers. Transport The product is neither explosive, nor spontaneously flammable in air. The products is however flammable. |