CAS number： 872-50-4
Molecular formula： C5H9NO
molecular weight： 99.13
Chemical structure：
| Product name | N- Methyl-2- Pyrrolidone | |
| Shelf life | Two Years | |
| Inspection standard | CP | |
| Items | Specification | Results |
| APPEARANCE | COLORLESS AND LIGHT YELLOW LIQUID | CONFIRM |
| ASSAY% | ≥99.80 | 99.82 |
| COLOR(HAZEN) | ≤20 | CONFIRM |
| WATER% | ≤0.03 | 0.03 |
| TOAL AMINEMG/KG | ≤30 | 19 |
| PH(1ML/10ML WATER SOLUTION) | 6.5~9.0 | 8 |
| CONCLUSION: | CONFIRM | |
