精品综合久久久久久888-国产三级韩国三级日产三级-久久在线-国产偷v国产偷v亚洲-99性视频-成人毛片在线-国产精品无人区一区二区三区-欧美a在线观看-西西人体做爰大胆性自慰-国产又色又爽又黄刺激视频-日本黄色不卡视频-在线二区-九九精品久久-99ri国产精品-91久久免费

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