| 常用名 | N-乙基吡咯烷酮 | CAS号 | 2687-91-4 |
|---|---|---|---|
| 价格 | $2.15/1kg | 纯度 | 99.8% |
| 备货期 | 5天 | 库存 | 询单 |
| 产品详情(用途,包装等)
NEP is a kind of organic synthesis intermediates,used for a variety of chemical synthesis,can also be used as an organic solvent,is mainly used in oil refining and the manufacture of gunpowder,lithium batteries,medicine,dyes pesticides,chemicals,paint,heat resistant high molecular weight polymer resin and adhesive,coating of degreasing agent,epoxy resin glue edge resection,acetylene,butadiene extraction,gas desulfurization,pesticide,synethetic fiber spinning medium,pigment dispersion etc. Character: NEP is colorless and transparent liquid,has the weak alkaline,boiling point:212℃,is a strong polar organic solvent,with water and organic solvents miscible in any proportion. 指标/index 规格/Specification 试剂级Reagent class 电子级Electric class 工业级Industrial class 普通级Common class 外观形状/Appearance 无色透明澄清液体 无色透明澄清液体 无色透明澄清液体 无色透明或淡黄色澄清液体 纯度(GC,wt%)Purity ≥99.8 ≥99.5 ≥99.0 ≥98.5 水分(K.F.,wt%)Moisture ≤0.05 ≤0.1 ≤0.3 ≤0.5 色度(Hazen)Color ≤20 ≤25 ≤30 ≤40 密度(D420)Density 0.994~0.999 0.992~0.999 0.990~0.999 0.990~0.999 折光率(Nd20)Refractivity 1.465~1.467 1.465~1.467 1.465~1.467 1.465~1.467 pH值pH walue 7~9 7~9 7~10 — 游离胺(以-乙胺计,wt%)Total Amines(As Ethyl amine) ≤0.005 ≤0.01 ≤0.02 — γ-丁内酯(GC,wt%)γ-butyrolactone ≤0.02 ≤0.03 ≤0.05 — |