N-甲基吡咯烷酮是一種無色透明油狀液體，微有胺氣味。能與水、醇、醚、酯、酮、鹵代烴、芳烴和蓖麻油互溶。具有毒性小、沸點高、溶解力出眾、揮發度低、選擇性強和穩定性好的優點。吸濕性極強，對光敏感。
NMP is a colorless clear oily liquid with a little amine odor. It can be dissolved with water, alcohol, ether, ester, halohydrocarbon, aromatic hydrocarbon and castor oil. It has the advantages of low toxicity, high boiling point, high solubility, Low volatility, better selectivity and good stability. NMP can volatilize with vapour. It is photosensitive and has strong moisture absorbability.
理化性質
PROPERTIES
| 項目 | 詳細 |
| 分子式 | C5H9NO |
| CAS NO | 872-50-4 |
| 外觀 | 無色透明液體 |
| 沸點 | 202°C |
| 密度 | 1.028 |
| 閃點 | 95°C （開杯） |
| 包裝 | 200kg 鍍鋅鐵桶、PE桶、IBC噸桶、ISO TANK、散水槽車 |
| 儲運條件 | 貯存于陰涼、通風庫房內，遠離火種、熱源，與氧化劑分開 搬運時輕裝輕卸，保持包裝完整，防止泄漏 |
| 分析項目 | 規格值 | 檢測值 | 單位 | 檢測標準 |
| 純度 | 99.90min | 99.91 | % | GB/T27563-2011 |
| 水份 | 200max | 78 | ppm | GB/T6283-2008 |
| 色度 | 20max | 7 | APHA | GB/T3143 |
| 丁內酯 | 200max | 189 | ppm | GB/T27563-2011 |
| 總胺 | 50max | 9.8 | ppm | GB/T27563-2011 |
| 金屬離子 | 規格值 | 檢測值 (ppb) | 金屬離子 | 規格值 | 檢測值(ppb) |
| Li | max. 20ppb | 5.220E-02 | Zn | max. 20ppb | 2.293 |
| Na | max. 20ppb | 7.430 | Ga | max. 20ppb | 1.234E-02 |
| Mg | max. 20ppb | 2.746E-01 | As | max. 20ppb | 1.676E-02 |
| Al | max. 20ppb | 1.607E-01 | Sr | max. 20ppb | 8.286E-03 |
| K | max. 20ppb | 4.929 | Ag | max. 20ppb | 1.575E-02 |
| Ca | max. 20ppb | 2.251 | Cd | max. 20ppb | 1.834E-02 |
| Ti | max. 20ppb | 4.450 | In | max. 20ppb | 6.626E-03 |
| V | max. 20ppb | 1.176E-03 | Sn | max. 20ppb | 1.820E-02 |
| K | max. 20ppb | 4.929 | Ag | max. 20ppb | 1.575E-02 |
| Cr | max. 20ppb | 1.161E-02 | Ni | max. 20ppb | 3.915E-02 |
| Mn | max. 20ppb | 2.095E-02 | Cu | max. 20ppb | 1.283E-01 |
| Fe | max. 20ppb | 3.056E-01 | Co | max. 20ppb | 8.294E-03 |
| 分析項目 | 檢測值 | 規格值 | 單位 | 檢測標準 |
| 純度 | 99.88 | 99.85min | % | GB/T27563-2011 |
| 水份 | 376 | 300max | ppm | GB/T6283-2008 |
| 色度 | 19 | 30max | APHA | GB/T3143 |
| 丁內酯 | 196 | 200max | ppm | GB/T27563-2011 |
| 總胺 | 35 | 50max | ppm | GB/T27563-2011 |
| pH值 | 7.8 | 7-10 | / | GB/T27563-2011 |
