N-Ethyl-2- pyrrolidone(NEP)
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Chemical Name：N-Ethyl-2-Pyrrolidone(NEP)
1-Ethyl-2-Pyrrolidone(NEP)
CAS NO.: 2687-91-4
Structural formula:
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Formula：C6H11NO Molecular Weight：99.134
Boiling Point: 202℃ Flash Point: 95℃
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N-Ethyl-2-Pyrrolidone is a colorless to slightly yellow liquid, with a faint amine odor. NEP is a strong polar organic solvent with high chemical stability, weak alkalinity, high solubility, low stream pressure and low dielectric constant and other properties. It can be used as highly selective solvent, catalyst and cationic surfactant.
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（In house Standard:Q/PGM001---2021）
| Grade / Specification |
Electronicgrade |
Industrialgrade |
| Purity（GC,wt%） | ≥99.8 | ≥99.50 |
| Moisture（K.F,wt%） | ≤0.05 | ≤0.1 |
| Color（Hazen） | ≤20 | ≤50 |
| Density（D420g/ml） |
0.990-0.999 |
0.990-0.999 |
| PH value 10% | 6-10 | 6-10 |
| Amine amount（ppm） | ≤ 30 |
≤50 |
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Used in the production of pyrrolidone series products, pharmaceutical intermediates, pesticide intermediates and daily-use cosmetics、lithium batteries and etc.
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