www.久久99,日韩狠狠操,永久在线高清av,狠狠狠狠狠狠干,亚洲在线不卡,久久9999久久,午夜两性做爰免费视频

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