N-methylpyrrolidone, Chinese alias :NMP; 1-methyl-2-pyrrolidone; N-methyl-2-pyrrolidone. Colorless transparent oily liquid with a slight amine odor. It is miscible with water, alcohol, ether, ester, ketone, halogenated hydrocarbon, aromatic hydrocarbon and castor oil. Low volatility, good thermal stability, chemical stability, can be volatilized with water vapor. It is hygroscopic. Sensitive to light.
N-methylpyrrolidone is widely used in lithium electricity, medicine, pesticides, pigments, cleaning agents, insulating materials and other industries
Packing, storage and transportation
The chemical properties of this product are not active, in addition to copper, other metals such as carbon steel, aluminum and other non-corrosive. Use galvanized iron drum packaging, 50kg or 100kg per barrel, small packaging with glass bottles to avoid light packaging. Storage and transportation in accordance with general chemical regulations.
use
This product is an important chemical raw material, is a polarity solvent with strong selectivity and good stability, has the advantages of low toxicity, high boiling point, strong solubility, non-flammable, biodegradable, recyclable, safe use and suitable for a variety of formulations. N-methylpyrrolidone (NMP) is a polar aprotic transfer solvent. It has low toxicity, high boiling point and outstanding solubility. Strong selectivity and good stability. Widely used in aromatics extraction, acetylene, olefin, diolefin purification, polyvinylide solvent, lithium ion battery electrode auxiliary material, syngas desulfurization, lubricating oil refining, lubricating oil antifreeze agent, olefin extraction agent, solvent for polymerization of insoluble engineering plastics, agricultural herbicides, insulation materials, integrated circuit production, Semiconductor industry precision instruments, circuit board cleaning,PVC exhaust recycling, cleaning agents, dye additives, dispersants and so on. It is also used as a solvent and polymerization medium for polymers, such as engineering plastics and aramid fibers. In addition, it can also be used in pesticides, medicines and cleaning agents. Its main uses are as follows:
1, acetylene concentration and butadiene, isoprene, aromatics extraction
2. Lubricating oil refining
3, insoluble engineering plastics (polyphenylene sulfide, polyimide) and aramid fibers with polymeric solvents
4, electronic insulation materials, lithium-ion batteries
5, high-grade paint, ink, pigment
6, pesticide additives
7. Cleaning agent: deoiling, degreasing, dewaxing, polishing, rust prevention, paint removal, etc
8, artificial kidney functional membrane liquid, seawater desalination membrane liquid
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