欧美人与性口牲恔配视频_日韩中文av影院_啊啊啊国产无码在线_大学生一级视频在线观看_国产精品午夜电影在线观看_波多野结衣午夜福利_亚洲欧美日韩三级_国产午夜精品美女短视频_日韩三级黄色av_成年AV网址全部免费观看

CAS：143-24-8

Molecular formula：C₁₀H₂₂O₅

Appearance：Colorless and clear liquid

Boiling point℃：276℃

Density20℃：1.0132

Viscosity 20℃：4.01

Refractive index 20℃：1.433

Flash pointn：141

Purity(GC法)%≥：99

Moisture(KF)%≤：0.1

Acidity(as HAC)%≤：0.015

Peroxide ( H₂O₂) %≤：0.005

Package and transportation：200kg

Excellent solvent for alkali gold hydride, alkylation, condensation and reduction and a variety of chemical reactions in the process, because the Louis alkaline compounds, so it can select absorption of acid gases, the purification of synthetic gas, natural gas, acetylene gas, such as gas chromatographic stationary liquid.