亚洲成人高清玩弄人妇_国产精品无码三级国产专区_免费一级a毛大片视频_精精品久久久久国产_国产好涨好爽好大视频免费_警告本网站色_av综合色区无码_午夜国产无码在线免费_一级免费看片_正在播放国产剧情房东我要

Butanol is a colorless, transparent and alcohol-smelling liquid. It is the solvent of various coatings and the raw material of dibutyl phthalate as a plasticizer. It is also used in the manufacture of butyl acrylate, butyl acetate, ethylene glycol butyl ether and as an extractant of organic synthesis intermediates and biochemical drugs. It is also used in the manufacture of surfactants.