| M | 99.13 |
|---|---|
| D | 1.03 |
| b.p | 204 °C |
| m.p | -24 °C |
| Appearance | Clear colorless liquid |
|---|---|
| Color (APHA, Pt-Co) | max. 10 |
| Free Amines (Kaiser) | max. 0.001% |
| Assay (GC, on anhydrous basis) | min. 99.5% |
| Residue after evaporation | max. 0.002%w/w |
| Water (KF) | max. 0.02%w/w |
| A285nm | max. 0.065AU |
| A300nm | max. 0.035AU |
| A325nm | max. 0.010AU |
| A350nm | max. 0.005AU |
| Synonym : 1-Methyl-2-pyrrolidone, NMP |
| Formula : C5H9NO |
| CAS : 872-50-4 |
| EC : 212-828-1 |
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