国产伦精品免编号公布,色综合久久久无码中文字幕波多,久久www成人看片免费不卡,久久午夜无码鲁丝片午夜精品

Chinese name: 2-butanol
Foreign name: 2-butanol
No    Name: sec-butanol
Chemical formula: C4H10O
Molecular weight: 74.122
CAS: 78-92-2
Melting     Point: -114.7 ℃
Boiling    Point: 99.5 ℃
Water solubility: Soluble
Density    Degree: 0.808 g/cm3
External    Appearance: Colorless transparent liquid
Flash    Point: 23°C(OC)
    Amount: 99.5%+

Package    Packing: 160KG/barrel