熟女俱乐部五十路六十路|又大又硬又黄的免费视频|乱人伦人妻中文字幕无码久久网|一本大道伊人av久久综合|免费做a爰片久久毛片a片

Bromophenol Blue

Alias:

BPB; Tetrabromophenoltetrabromosulfonephthalein;
tetrabromophenolsulphonephthalein;

English name:

Bromophenol Blue

Alias:

BPB; Tetrabromophenoltetrabromosulfonephthalein;
tetrabromophenolsulphonephthalein;

CAS RN:

115-39-9

EINECS No.:

204-086-2

Molecular formula:

C₁₉H₁₀Br₄O₅S

Molecular weight:

669.9607

Molecular structure:

Density:

2.199g/cm3

Melting point:

273℃

Boiling point:

605.6°C at 760 mmHg

Flash point:

320.1°C

Vapor pressure:

2.92E-15mmHg at 25°C

Uses:

As acid-base indicator