无套内射极品少妇-久久人妻熟女一区二区-天天日天天操天天玩-爆操熟女一区二区三区 ,色色中文字幕色色亚洲,久久综合免费乱子伦精品,欧美视频在线观看一二三区,下药人妻无码不卡

Product name: Bromoethane
Molecular weight: 108.9651
Chemical formula: C2H5Br Abbreviated as EtBr. Structural formula: CH3-CH2Br
CAS No .: 74-96-4
Functional group: -Br
water solubility (g / 100g): 1.067 at 0 ° C, 0.965 at 10 ° C, 0.914 at 20 ° C, 0.986 at 30 ° C.
Relative Density: d²⁰₄ 1.4612.
Freezing point: -119 ° C.
Boiling point: 38.4 ° C.
Refractive index: n²⁰_D 1.4242