色婷婷88I四虎影院在线观看免费I日韩在线观看avI欧美XXXX黑人XYX色大师I超碰亚洲97Iav久久久久久网址-成人AVI强辱丰满人妻HD中文字幕I97香蕉I日韩人妻AV在线IFC2清純18歲88AV在线观看I最新国产TS人妖网站I婷婷色网址Iwww日韩在线观看I亚洲欧美在线观看视频

Bromothymol Blue

Alias:

3,3-Dibromothymolsulfonephthalein; Bromthymol Blue; BTB; alpha,alpha-bis(5-bromo-4-hydroxy-6-methyl-m-cumenyl)toluene-2,alpha-sultone; dibromothymolsulphonephthalein; 3,3-Dibromophenolsulfonephthalein;

English name:

Bromothymol Blue

Alias:

3,3-Dibromothymolsulfonephthalein;
BTB;

CAS RN:

76-59-5

EINECS No.:

200-971-2

Molecular formula:

C₂₇H₂₈Br₂O₅S

Molecular weight:

624.3812

Molecular structure:

Density:

1.542g/cm3

Melting point:

204℃

Boiling point:

640.2°C at 760 mmHg

Flash point:

341°C

Solubility:

slightly soluble

Vapor pressure:

5.5E-17mmHg at 25°C

Uses:

As acid-base indicator