English name: Bromothymol Blue
English alias: 3, 3 – Dibromothymolsulfonephthalein; BTB;
CAS No. : 76-59-5
EINECS number: 200-971-2
Molecular formula: C27H28Br2O5S
Molecular weight: 624.3812
Density: 1.542g/cm3
Melting point: 204℃
Boiling point: 640.2°C at 760 mmHg
Flash point: 341°C
Water soluble: slightly soluble
Application: Used as acid-base indicator