N-methylpyrrolidone (NMP) electronic grade 99.99%

N- methylpyrrolidone (NMP) formula: C5H9NO molecular weight: 99.134 CAS #: 872-50-4 First, use: This product is an important chemical raw materials, is a good selectivity and stability of the polar solvents, low toxicity, high boiling point, dissolution and strong, non-flammable, biodegradable, recyclable, safe and suitable for use in a variety of formulations and so on. N- methylpyrrolidone (NMP) is a polar aprotic solvent transfer. It has low toxicity, high boiling point, solubility outstanding. Selectivity and good stability. Widely used in aromatics extraction, acetylene, olefins, diolefins purified, polyvinylidene fluoride solvent, a lithium ion secondary battery electrode materials, the synthesis gas desulfurization, refined lubricating oil, lubricating antifreeze agent, an olefin extractant ,, polymerization solvent insoluble plastics, agricultural herbicides, insulation materials, integrated circuit fabrication, the semiconductor industry, precision instruments, clean circuit boards, PVC exhaust gas recycling, cleaning agents, dyes, additives, dispersing agents. Medium can also be used and the polymerization solvent for the polymer, such as aramid fibers and engineering plastics. It may also be used in pesticides, pharmaceuticals and cleaning agent, etc. Its main use is as follows: 1, acetylene concentrate and butadiene, isoprene, aromatics extraction 2, lubricating oil refining 3, insoluble plastic (polyphenylene sulfide, polyimide) and aramid fibers, etc. The polymerization solvent 4, electrical insulating material, lithium-ion battery 5, high-grade paint, ink, paint 6, 7 pesticide chemicals, cleaning agents: de-oiling, degreasing, dewaxing, polished, rust, peeling paint, etc. 8, artificial kidneys performance liquid membrane, desalination film liquid Second, traits: colorless, transparent liquid, its boiling point 202 ℃, flash point 95 ℃, soluble in water and various solvents. Third, product specifications: Index of industrial grade electronic grade general level of purity% ≥99.9 ≥99.8 ≥99.5 chroma Hazen ≤20 ≤25 ≤30 Density g / ml 1.032 ~ 1.035 1.032 ~ 1.035 1.032 ~ 1.035 Moisture% ≤0.02 ≤0.05 ≤ 0.1 Fourth, Packing: galvanized iron barrel, net weight 200Kg.