一级级a毛片免费观看久久精品,新一级免费大片黄网站观看,欧美视频在线观看第一页,一级无码高清免费,国产精品免费一级高清不卡,成人免费A级毛片无码片在线播放,国产一级免费中文av片,国产成人精品综合久久久免费观看,超级特级黄片视频

,Jinan DaheWeiye Chemical Co., Ltd

Home| E-mial | Contact Us

Hot search: Methyl sulfoxide (DMSO)  , Thioacetamide  , m-Xylene  , Ethyl acetoacetate  , 

Product details

Dichloromethane

Product name Dichloroethane
CAS RN 1300-21-6;107-06-2;52399-93-6
EINECS No. 203-458-1
Molecular formula C2H4Cl2
Molecular weight 98.9592
Physical and chemical properties Properties Colorless transparent oily liquid, with similar the smell of chloroform, sweet taste
Melting point -35.3℃
Boiling point 83.7℃
Relative Density 1.2529
Refractive index 1.4448
Flash point 17℃
Solubility In about 120 times of water, and ethanol, chloroform, ether immiscible. Can dissolve oil and fat, grease, paraffin wax
Uses Mainly used for vinyl chloride, ethylene glycol, oxalic acid and ethylene diamine, tetraethyl lead, ethylene polyamine and dibenzoyl materials. Is also used as a solvent, grease, resin, rubber, dry cleaners, pesticides in addition to the earlier chrysanthemum element, caffeine, vitamin, hormone extraction agent, wetting agent, soaking agent, oil dewaxing, earthquake resistant agent, also used for pesticide manufacturing and drug extermination ning, the raw material of pp bi lamictal. Can be used as a food in agriculture