日韩日本系列有码字幕中文字幕_韩国无码精品1区_欧美熟妇A片免费_无码中文AV波多野吉衣_欧美 偷窥 清纯 综合图区第一页_影视资讯亚洲欧美中文日韩视频_他强把手指伸进我的下面_在线免费a级毛片_国产乱视频伦在线手机版下载_六月色丁香五月亚洲天堂

Physical property:

It is colorless gas at normal temperature and pressure, with a specific gravity of 1.07 times that of air. Flammable, explosive, strong irritating ammonia-like odor. Alkalinity is stronger than ammonia. Generally pressurized into liquid for storage or transportation.

Purpose:

Monomethylamine has a wide range of industrial uses, mainly used as raw materials for pharmaceuticals (activation, caffeine, ephedrine, etc.), pesticides (carbaryl, dimethoate, chlordimeform, etc.), dyes (alizarin intermediates, anthraquinone intermediates, etc.), explosives and fuels (water gel explosives, monomethylhydrazine, etc.), surfactants, accelerators, rubber auxiliaries, photographic chemicals, solvents, etc.