男女啪啪网站-明星双性精跪趴灌满h-www.chengren-日本视频免费-蜜臀99久久精品久久久久小说-国产黄色片视频-四虎免费在线观看-一本视频-欧美黄色网络-91黑人精品一区二区三区-香蕉久久精品-五月天色网站-亚洲精品一区二区三区中文字幕-日本欧美三级-三上悠亚 在线观看-日韩美在线-香蕉大人久久国产成人av-中文字幕 视频一区-日韩成人高清在线-亚洲色欧美另类

Colorless with stimulating odor flammable liquid. rRlative density: 1.0897g/ ml (20/20 ℃), melting point: -6.5 ℃, boiling point: 127.4 ℃, refraction nD (20 ℃): 1.4379, specific heat capacity: 0.1990kJ / (kg ? ℃), flash point: 33.9 ℃. Soluble in water and common organic solvents. Chemical propery is lively.

Used as organic materials and the raw materials of plasticizer, dye, synthetic fiber, pesticide.