N-methyl pyrrolidone physical and chemical properties
2018-05-14
N-methyl pyrrolidone physical and chemical properties
Appearance traits：
Colorless, transparent oily liquid with slight amine odor. With water, alcohols, ethers, esters, ketones, halogenated hydrocarbons, aromatics miscible.
Solubility：
With water, alcohols, ethers, esters, ketones, halogenated hydrocarbons, aromatics miscible.
melting point：−24 °C (lit.)
Boiling point：202 °C (lit.)
density：028 g/mL at 25 °C (lit.)
Vapor densit：y3.4 (vs air)
Vapor Pressure0.29 ：mm Hg ( 20 °C)
refractive ：indexN20/D 1.479
Flash ：point 187 °F
Storage conditions：2-8°C
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