N-Methyl pyrrolidone(NMP)
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 | ----- |
Molecular formula: C5H9NO Molecular weight: 99.134
Application:
This product is an important chemical industrial raw material,medicine intermediate and organic solvent,and its main applications are as follows:
1.Concentration of acetylene;
2.Lubricant refining;
3.Extractant
4.Polymerizing solvent for polymerization of engineering plastics difficult to dissolve;
5.Polymerizing solvent for polyurethane;
6.Recycling of PVC tali gas;
7.Perfume
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.
872-50-4(nmp)