It is an excellent solvent, widely used as extractant for aromatics extraction, lubricating oil refining, acetylene concentration, synthesis gas desulfurization, etc., and also used for industrial cleaning.
Multiple Names
1-Methyl-2-Pyrrolidinone;
1-Methyl-2-Pyrrolidinone, Anhydrous;
Nmp; N-Methyl Pyrrolidone;
N-Methyl-2-Pyrrolidone;
N-Methyl-2-Pyrrolidinone;
N-Methyl-Pyrrolidone;
Nmp-El;
Nmp-T;
N-Methylpyrrolidnone;
N-Methylpyrrolidinone;
N-Methylpyrrolid-2-One;
N-Methylpyrolidone;
M-Pyrol(R);
1-Methyl-2-Pyrrolidone
CAS No. 872-50-4; 2687-44-7
EC No. 212-828-1
MF No. C5H9NO
MW No. 99.13
Assay Item | Standard |
Form | Liquid |
Color | Colorless to yellowish transparent |
Boiling Point | 202 °C (lit.) 81-82 °C/10 mmHg (lit.) |
Melting Point | -24 °C (lit.) |
Density | 1.028 g/mL at 25 °C (lit.) |
PH | 8.5-10.0 (100g/l, H2O, 20℃) |
It has low toxicity, high boiling point and outstanding solubility.
Good selectivity and stability.
Important Solvent for polymer and medium for polymerization.
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