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N-Methyl pyrrolidone(NMP)
Molecular formula: C5H9NO Molecular weight: 99.134
Characteristics:
Colorless and transparent liquid,with a boiling point of 202.c,easily dissolvable in water and dissolvable in ether,acetone and other organic solvents.
Product specifications:
Specification | Electric class | Industrial class |
Appearance | Colorless clear liquid | Colorless clear liquid |
Purity | ≥99.9 | ≥99.8 |
Moisture | ≤0.02 | ≤0.05 |
Color | ≤20 | ≤25 |
Density | 1.029-1.033 | 1.029-1.035 |
Refractivity | 1.467-1.471 | 1.467-1.471 |
PH value | 7-9 | 7-10 |
Total Amines(as Methyl amine) | ≤0.005 | ≤0.01 |
NMP substituted by methyl group at carbon atom) | ≤0.05 | ----- |
N-Methyl-Pyrrolidone/ N-Methyl-Pyrrolidone/872-50-4