中文名: N,N-二甲基甲酰胺
英文名: N,N-Dimethylformamide
别名: Dimethyl formamide;Formyldimethylamine;DMF;DMFA
分子式: C3H7NO
分子结构:
分子量: 73.09
CAS登录号: 68-12-2
UN危险货物编号:2265
熔点: -61ºC
沸点: 153ºC
水溶性: 可溶
折射率: 1.429-1.432
闪点: 58ºC
密度: 0.945
比旋光度: 0.94º
性质描述: 无色透明液体。为极性惰性溶剂。除卤化烃以外能与水及多数有机溶剂任意混合。熔点-61℃,沸点152.8℃,76℃(5.2kPa),相对密度0.9445(25/4℃),折射率1.4269。闪点58℃,自燃点445℃。对多种有机化合物和无机化合物均有良好的溶解能力和化学稳定性。25℃的蒸气压为0.493kPa。
应用:二甲基甲酰胺既是一种用途极广的化工原料,也是一种用途很广的优良的溶剂。二甲基甲酰胺对多种高聚物如聚乙烯、聚氯乙烯、聚丙烯腈、聚酰胺等均为良好的溶剂,可用于聚丙烯腈纤维等合成纤维的湿纺丝、聚氨酯的合成;用于塑料制膜;也可作去除油漆的脱漆剂;它还能溶解某些低溶解度的颜料,使颜料带有染料的特点。还可用作从石蜡中分离非烃成分的有效试剂。
包装:
190kgs/drum* 80drums,15.2tons/20GP
190kgs/drum*132drums,25.08tons/40GP
950kgs/IBC*20IBC/20GP,21tons
22tons/ISO tank
Property description: Colorless transparent liquid. It is a polar inert solvent. With the exception of halogenated hydrocarbons can be arbitrarily mixed with water and most organic solvents. Melting point -61℃, boiling point 152.8℃, 76℃ (5.2kPa), relative density 0.9445 (25/4℃), refractive index 1.4269. Flash point 58℃, spontaneous combustion point 445℃. It has good solubility and chemical stability for a variety of organic and inorganic compounds. The vapor pressure at 25℃ is 0.493kPa.
Application: Dimethylformamide is not only a chemical raw material with a very wide range of uses, but also a very wide range of excellent solvent. Dimethylformamide to a variety of polymers such as polyethylene, polyvinyl chloride, polyacrylonitrile, polyamide are good solvent, can be used for synthetic fibers such as polyacrylonitrile fiber wet spinning, polyurethane synthesis; Used for plastic film making; Can also be used to remove paint stripper; It can also dissolve certain pigments with low solubility, giving them the characteristics of dyes. It is also an effective reagent for the separation of non-hydrocarbon components from paraffin.
Package:
190kgs/drum* 80drums,15.2tons/20GP
190kgs/drum*132drums,25.08tons/40GP
950kgs/IBC*20IBC/20GP,21tons
22tons/ISO tank