| M | 99.13 |
|---|---|
| D | 1.03 |
| b.p | 204 °C |
| m.p | -24 °C |
| Appearance | Clear liquid |
|---|---|
| Color (APHA, Pt-Co) | max. 15 |
| Assay (GC, on anhydrous basis) | min. 99.7% |
| Acidity (as Acetic acid) | max. 0.001% |
| Alkalinity (as Ammonia) | max. 0.002% |
| Water (KF) | max. 0.03%w/w |
| T285nm | min. 15% |
| T300nm | min. 40% |
| T320nm | min. 80% |
| T340nm | min. 95% |
| T400nm | min. 97% |
| Synonym : 1-Methyl-2-pyrrolidone, NMP |
| Formula : C5H9NO |
| CAS : 872-50-4 |
| EC : 212-828-1 |
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