N-Methyl-2-Pyrrolidone(NMP)

N-Methyl-2-Pyrrolidone(NMP)

CAS No: 872-50-4
Formula: C5H9NO

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Discription1-Methyl-2-pyrrolidinone (NMP) has a molecular formula of C5H9NO, and it is a colorless to light yellow transparent liquid with a slight ammonia odor. Its boiling point is 204℃, flash point is 91℃, chroma HaZen≤25, refractive index N20D 1.468-1.471, density is 1.032-1.035. It is miscible in water at any ratio, it is soluble in ethanol, acetone, esters, halogenated hydrocarbons, aromatic hydrocarbons and other organic solvents, and it can completely mix with practically all solvents. It is stron

Characteristics

  • N-methyl-2-pyrrolidone appears as a clear colorless liquid with a “fishlike” odor. Denser than water. Flash point 199°F. Contact may irritate skin, eyes and mucous membranes. May be toxic by ingestion.

  • 1.033

  • -24ºC

  • 202ºC

  • 91ºC

  • n20/D 1.479

  • 2-8ºC

  • 0.29 mm Hg ( 20 °C)

  • 3.4 (vs air)

  • Stable, but decomposes upon exposure to light. Combustible. Incompatible with strong oxidizing agents, strong acids, reducing agents, bases.

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