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

Dichloroethane

Product name Dichloromethane
CAS RN 75-09-2
EINECS No. 200-838-9
Molecular formula CH2Cl2
Molecular weight 84.93
Physical and chemical properties Appearance & Properties: colorless transparent liquid, with fragrant smell.
Melting point(℃): -96.7
Boiling point(℃): 39.8
Relative Density(water=1): 1.33
Relative Vapor density(air=1): 2.93
Saturated vapor pressure(kPa): 30.55(10℃)
Heat of combustion(kJ/mol): 604.9
Critical temperature(℃): 237
Critical pressure(MPa): 6.08
Log value of Octanol/water partition coefficient: 1.25
Ignition temperature(℃): 615
Upper explosive limit%(V/V): 19
Lower explosive limit%(V/V): 12
Solubility: slightly soluble in water, soluble in ethanol, ethyl ether.
Uses Solvent for resin and plastic industry. Widely used in medicine, plastics and film industries.