英文名称：

N-Methyl-2-pyrrolidone

CAS号：

872-50-4

分子式：

C5H9NO

分子量：

99.13

熔点

-24 °C (lit.)

沸点

202 °C (lit.) 81-82 °C/10 mmHg (lit.)

密度

1.028 g/mL at 25 °C (lit.)

蒸气密度

3.4 (vs air)

蒸气压

0.29 mm Hg ( 20 °C)

折射率

n20/D 1.479

闪点

187 °F

储存条件

Store at +5°C to +30°C.

溶解度

ethanol: miscible0.1ML/mL, clear, colorless (10%, v/v)

形态

Liquid

酸度系数(pKa)

-0.41±0.20(Predicted)

颜色

≤20(APHA)

PH值

8.5-10.0 (100g/l, H2O, 20℃)

气味 (Odor)

Slight amine odor

酸碱指示剂变色ph值范围

7.7 - 8.0

爆炸极限值(explosive limit)

1.3-9.5%(V)

水溶解性

>=10 g/100 mL at 20 ºC

敏感性

Hygroscopic

最大波长(λmax)

283nm(MeOH)(lit.)

Merck

14,6117

BRN

106420

Dielectric constant

32.200000000000003

稳定性

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

InChIKey

SECXISVLQFMRJM-UHFFFAOYSA-N

LogP

-0.46 at 25℃

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