1-Ethyl-2-pyrrolidinone
1-Ethyl-2-pyrrolidinone
CAS: 2687-91-4
Molecular Formula: C6H11NO
1-Ethyl-2-pyrrolidinone - Names and Identifiers
| Name | 1-Ethyl-2-pyrrolidinone |
| Synonyms | NEP Agsol Ex 2 N-Ethylpyrrolidone N-ethyl-pyrrolidone Ethyl pyrrolidinone ethyl-2-pyrrolidone N-Ethylpyrrolidinone N-Ethyl Pyrrolidonne n-ethyl-2-pyrrolidone 1-ethyl-2-pyrrolidinon 1-Ethyl-2-pyrrolidinone 1-ethylpyrrolidin-2-one N-Ethyl-2-pyrrolidinone 1-ethyl-pyrrolidin-2-one 2-Pyrrolidinone, 1-ethyl- |
| CAS | 2687-91-4 |
| EINECS | 220-250-6 |
| InChI | InChI=1/C6H11NO/c1-2-7-5-3-4-6(7)8/h2-5H2,1H3 |
| InChIKey | ZFPGARUNNKGOBB-UHFFFAOYSA-N |
1-Ethyl-2-pyrrolidinone - Physico-chemical Properties
| Molecular Formula | C6H11NO |
| Molar Mass | 113.16 |
| Density | 0.992 g/mL at 25 °C (lit.) |
| Melting Point | 87.5-88.5 °C |
| Boling Point | 97 °C/20 mmHg (lit.) |
| Flash Point | 169°F |
| Water Solubility | 1000g/L at 23℃ |
| Vapor Presure | 18Pa at 20℃ |
| Appearance | Liquid |
| Color | Clear |
| BRN | 107971 |
| pKa | -0.41±0.20(Predicted) |
| PH | 8-9 (100g/l, H2O, 20℃) |
| Storage Condition | Sealed in dry,Room Temperature |
| Explosive Limit | 1.3-7.7%(V) |
| Refractive Index | n20/D 1.465(lit.) |
| Physical and Chemical Properties | Boiling Point: 82-83°C/101.3kPa refractive index: 1.4665 density: 0.994g/cm3 Content: ≥ 99.8% moisture: ≤ 0.1% Appearance: colorless liquid |
| Use | For refined oil, the production of powder, drugs, dyes, pesticides, daily chemicals, coatings, resistant resin, etc |
1-Ethyl-2-pyrrolidinone - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R36 - Irritating to the eyes R62 - Possible risk of impaired fertility R41 - Risk of serious damage to eyes R61 - May cause harm to the unborn child |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S53 - Avoid exposure - obtain special instructions before use. |
| WGK Germany | 1 |
| RTECS | UY5769250 |
| TSCA | Yes |
| HS Code | 29337900 |
1-Ethyl-2-pyrrolidinone - Nature
Open Data Verified Data
colorless transparent liquid with high polarity and high chemical stability, with weak alkali. It is a strong polar organic solvent, which can be miscible with water and common organic solvents in any proportion. Its boiling point is 82 °c. Refractive index ND 201. 4665, density 0. 994. With high solubility, low vapor pressure and low dielectric constant and other characteristics.
Last Update：2025-06-10 22:55:16
1-Ethyl-2-pyrrolidinone - Application
Open Data Verified Data
- can be used for acetylene, butadiene extraction, fiber and leather dyeing, natural gas desulfurization, high molecular weight polymer polymerization medium, pesticides, synthetic fiber spinning medium, pigment dispersion, lubricating oil processing.
- is industrially useful as a highly efficient selective solvent, catalyst, and cationic surfactant. NEP is mainly used for refining oil and producing powder, medicine, dye, pesticide, daily chemical, paint, heat-resistant resin, etc.
Last Update：2025-08-19 16:24:40
1-Ethyl-2-pyrrolidinone - Reference Information
| LogP | -0.2 at 20℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | used to refine oil products, produce gunpowder, drugs, dyes, pesticides, daily chemicals, coatings, degradation resistant resins, etc. lithium batteries, dry glue degreasing, photoresist stripping agent, coating spreading agent, epoxy resin rubber edge removal. Mainly used for refining oil products and producing gunpowder, medicine, dyes, pesticides, daily chemicals, coatings, heat-resistant resins, etc. |
Last Update：2024-04-10 22:29:15
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View History
1-Ethyl-2-pyrrolidinone
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双(2-(二叔丁基膦烷基)乙基)胺盐酸盐
1-(2,4-二甲基苯基)乙胺
2-(2,5-二氯苯基)丙基-2-胺盐酸盐
氯化银
灭线磷
2-ACETYL-3-METHYLQUINOXALINEDIIUM-1,4-DIOLATE
4-[4-(二甲基氨基)苯偶氮]苯甲酸 N-丁二酰亚胺酯
(5,6-二甲基吡啶-3-基)甲胺