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1-Methyl-2-Pyrrolidone, standard substance for GC

- Synonyms: N-Methylpyrrolidone, N-Methyl-2-pyrrolidinone, NMP - C5H9NO - M = 99,13 g/mol - CAS [872-50-4] - EINECS-No.: 212-828-1 - Density: 1,03 g/cm3 - Solub. in water: (20 ºC): miscible - Melting point: -24 ºC - Boiling point: 202 ºC - Flash pt. 91 ºC - Ignition temp.: 245 ºC - Vapour pressure: (20 ºC) 0,32 hPa - Refraction index: (n 20 ºC/D) 1,4684 - Dielectric const.: (25 ºC) 33 - LD 50 (oral, rat): 3598 mg/kg - EC-Index-No.: 606-021-00-7 - GHS-signal word: Danger - GHS-H sentences: H315 - H319 - H360D - H335 - GHS-P sentences: P261 - P280 - P305+P351+P338 - P321 - P405 - P501a - Tariff number: 2933 79 00 90 - Applications: analytical chemistry, chromatography, synthesis of organic products. SPECIFICATIONS assay: 99,8% over ramp: 80ºC, 7ºC/min 220ºC identity: IR