1.N-methyl-pyrrolidone , N-Methyl pyrrolidone , NMP Detailed description
N-Methyl pyrrolidone, a colorless transparent oily liquid, slightly amine odor. With water, alcohols, ethers,
esters, ketones, halogenated hydrocarbons, aromatic hydrocarbons and castor oil miscible.
Low volatility, thermal stability, chemical stability are good, with the steam evaporation. Hygroscopic.
Sensitive to light.
CAS No: 872-50-4
Molecular formula: C5H9NO
EC No. 212-828-1
Molecular weight: 99.1311
Appearance: colorless and transparent oily liquid
Physical and chemical properties:
Density: 1.028
Melting point: -24 ° C
Boiling point: 203 ° C, 81-82 ° C / 10 mmHg
Flash point: 91 ° C
Refractive index n20 / D: 1.47
Product Specifications:
Item | Industrial grade | Electronic Grade |
content% | >99.5 | >99.9 |
Moisture% | <0.30 | <0.05 |
Chroma APHA | <100 | <100 |
Melting point℃ | -24.4 | -24.4 |
Proportion g/ml(25℃) | 1.0260 | 1.0260
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