Properties:
Colourless transparent liquid,it has strong water absorption. It can almost dissolve in all the solvents(eth anol, aldehyde, ketone, aromatic hydrocarbon, etc).
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 | Colorless clear liquid | Colorless clear liquid | Colorless clear liquid | Colorless clear liquid |
纯度(GC,wt%)Purity | ≥99.9 | ≥99.9 | ≥99.8 | ≥99.5 |
水分(K.F.,wt%)Moisture | ≤0.01 | ≤0.02 | ≤0.05 | ≤0.1 |
色度(Hazen)Color | ≤15 | ≤20 | ≤25 | ≤50 |
密度(D420)Density | 1.029~1.033 | 1.029~1.033 | 1.029~1.035 | 1.029~1.035 |
折光率(Nd20)Refractivity | 1.467~1.471 | 1.467~1.471 | 1.467~1.471 | 1.467~1.471 |
pH值pH walue | 7~9 | 7~9 | 7~10 | — |
游离胺(以-甲胺计,wt%)Total Amines(As Methyl amine) | ≤0.0015 | ≤0.003 | ≤0.01 | — |
γ-丁内酯(GC,wt%)γ-butyrolactone | ≤0.05 | ≤0.05 | ≤0.10 | ≤0.35 |
甲基异构体(wt%)Methyl isomer(wt%) | ≤0.03 | ≤0.05 | — | — |
| 磷酸盐(PO4) | ≤100 | ≤1000 | — | — |
| 硫酸盐(SO4) | ≤100 | ≤1000 | — | — |
| 硝酸盐(NO3) | ≤100 | ≤1000 | — | — |
离子含量ion content(ppb) 注:根据客户需要检出remarks:according to customer needs detection 超净纯度NMP根据客户需要定制 Super clean purity NMP customized according to customer needs | 氯(Cl) | ≤100 | ≤1000 | — | — |
镉(Cd) | ≤10 | ≤100 | — | — |
铅(Pb) | ≤10 | ≤100 | — | — |
铬(Cr) | ≤10 | ≤100 | — | — |
汞(Hg) | ≤10 | ≤100 | — | — |
砷(As) | ≤10 | ≤100 | — | — |
镍(Ni) | ≤10 | ≤100 | — | — |
锡(Sn) | ≤10 | ≤100 | — | — |
硼(B) | ≤10 | ≤100 | — | — |
硅(Si) | ≤10 | ≤100 | — | — |
锰(Mn) | ≤10 | ≤100 | — | — |
铁(Fe) | ≤10 | ≤100 | — | — |
镁(Mg) | ≤10 | ≤100 | — | — |
铜(Cu) | ≤10 | ≤100 | — | — |
银(Ag) | ≤10 | ≤100 | — | — |
钛(Ti) | ≤10 | ≤100 | — | — |
钙(Ca) | ≤10 | ≤100 | — | — |
铝(Al) | ≤10 | ≤100 | — | — |
钠(Na) | ≤10 | ≤100 | — | — |
锂(Li) | ≤10 | ≤100 | — | — |
钾(K) | ≤10 | ≤100 | — | — |
钴(Co) | ≤10 | ≤100 | — | — |
金(Au) | ≤10 | ≤100 | — | — |
APPLICATION:
NMP is an important chemical raw materials,is a kind of high selectivity and good stability of polar solvent,has low toxicity,high boiling,strong solubility,non flammable,recyclable using biodegradable,safe to use and is suitable for various formulations use and other advantages,its main use is as follows:
1.acetylene concentration and butadiene,isoprene,aromatics extraction
2.oil refining
3.refractory engineering plastics(polyphenylene sulfide,polymide)polymerization solvent and aramid fiber etc.
4.electronic insulating materials,lithium ion battery.
5.high-grade paint,ink,pigments
6.pesticide adjuvant
7.cleaning agent:deliling,degreasing,dewaxing,polishing,rust,paint etc.
8.artificial kidney function film liquid,seawater desalination membrane liquid