N-甲基吡咯烷酮 ≥99%(GC), for inorganic trace analysis
1-Methyl-2-pyrrolidinone
品牌：桔子
产品编号：V31078
CAS号：872-50-4
分子式：C5H9NO
分子量：99.13
MDL：MFCD00003193
| 产品名称 : | N-甲基吡咯烷酮 |
|---|---|
| 英文名称 : | 1-Methyl-2-pyrrolidinone |
| 参考名称 : | 1-甲基-2-吡咯烷酮 |
| 参考英文名称 : | 1-Methyl-2-pyrrolidinone |
| CAS号 : | 872-50-4 |
| 分子式 : | C5H9NO |
| 分子量 : | 99.13 |
| SMILES : | O=C1N(C)CCC1 |
| MDL NO : | MFCD00003193 |
| PubChem CID : | 13387 |
| InChIKey : | SECXISVLQFMRJM-UHFFFAOYSA-N |
| 储存条件 : | 避光,干燥 |
实验性质
| 外观 / 形态 : | A clear colorless liquid with a fish-like odor.；A clear colorless liquid with a fish-like odor; [CAMEO] Almost colorless liquid with an amine odor; [AIHA]；COLOURLESS HYGROSCOPIC LIQUID WITH CHARACTERISTIC ODOUR.；Liquid; Liquid; Other Solid; Dry Powder; CBI；N-methyl-2-pyrrolidone appears as a clear colorless liquid with a "fishlike" odor. Denser than water. Flash point 199 °F. Contact may irritate skin, eyes and mucous membranes. May be toxic by ingestion. |
|---|---|
| 颜色 / 形态 : | Clear liquid |
| 熔点 : | -23.09 °C；-24.4 °C；-25 °C；-9 °F；-9 °F (NTP, 1992) |
| 沸点 : | 202 °C；202 °C @760 [mm Hg]；202 °C at 760 mm Hg；396 °F；396 °F at 760 mmHg (NTP, 1992) |
| 密度 : | 1.027 @25 °C；1.027 at 25 °C/25 °C；1.03；1.03 at 77 °F (USCG, 1999) - Denser than water; will sink；Relative density (water = 1): 1.03 |
| 折射率 : | MAX ABSORPTION (METHANOL): 205 NM (LOG E= 3.46); INDEX OF REFRACTION: 1.4684 AT 20 °C/D; SADTLER REFERENCE NUMBER: 6528 (IR, PRISM); 116 (VARIAN, NMR)；Index of refraction: 1.4690 at 25 °C/D |
| 闪点 : | 204 °F；204 °F (96 °C) (OPEN CUP)；204 °F (NTP, 1992)；86 °C c.c.；96 °C |
| 溶解性 : | Miscible with water, alcohol, ether, acetone, ethyl acetate, chloroform, benzene；Miscible with castor oil；Miscible with lower alcohols and ketones；Moderately soluble in aliphatic hydrocarbons and dissolves many organic and inorganic compounds. |
| 蒸气压 : | 0.34 [mmHg]；0.345 [mm Hg] @25 °C；3.45X10-1 mm Hg at 25 °C；Vapor pressure, Pa at 25 °C: 39 |
| LogP : | log Kow = -0.38 |
| 黏度 : | 1.62 mm²/s at 25 °C；1.65 cP at 25 °C |
| 自燃温度 : | 245 °C；655 °F (346 °C) |
| 热分解说明 : | Decomposes on heating and on burning. This produces toxic fumes including nitrogen oxides and carbon monoxide. |
| 气味 : | Mild amine odor |
| pH : | pH = 7.7-8 |
计算性质
| LogP : | -0.5 |
|---|---|
| 极性表面积 (TPSA) : | 20.3 Ų |
| 氢键供体数 : | 0 |
| 氢键受体数 : | 1 |
| 可旋转键数 : | 0 |
| 精确质量 : | 99.068413911 Da |
| 重原子数 : | 7 |
| 分子复杂度 : | 90 |
资料来源：N-甲基吡咯烷酮产品资料页；来源页标注 PubChem CID 13387，资料日期 2026-10-11。
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