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    N-Methylpyrrolidone (NMP)添加时间:2020-10-13

    N-Methylpyrrolidone (NMP)(图1)

    Name: N-Methylpyrrolidone; NMP; 1-methyl-2-pyrrolidone; N-methyl-2-pyrrolidone

    CA S number: 872-50-4

    EINECS number: 212-828-1

    Molecular formula: CSH9NO

    Molecular weight: 99.13

    Properties: colorless to light yellow transparent oily liquid, slightly ammonia odor, miscible with water in any proportion, soluble in ether, acetone and esters, halogenated hydrocarbons, aromatic hydrocarbons and other organic solvents, and almost completely mixed with all solvents , Strong hygroscopicity, stable chemical performance, non-corrosive to carbon steel and aluminum, slightly corrosive to copper. It has low viscosity, good chemical and thermal stability, high polarity and low volatility.

    Product application: N-methylpyrrolidone (NMP) is a polar aprotic solvent. It has low toxicity, high boiling point and good solubility. The advantages of strong selectivity and good stability. Used for aromatic extraction, purification of acetylene, olefins and diolefins, solvents for polyvinylidene fluoride, electrode auxiliary materials for lithium-ion batteries, syngas desulfurization, lubricating oil refining, lubricating oil antifreeze, olefin extractant, insoluble Solvents in the polymerization of engineering plastics, agricultural herbicides, insulating materials, integrated circuit production, cleaning of precision instruments and circuit boards in the semiconductor industry, PVC exhaust recovery, cleaning agents, dye additives, dispersing agents, etc. It is also used in polymer solvents and polymerization media, such as engineering plastics and aramid fibers. It can also be used in pesticides, medicines and detergents.