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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