CAS No. 115-39-9

Molecular Formula: C19H10Br4O5S
Molecular Weight: 669.96
Hazard Symbols: T,Xn
UN Number: UN 2265 3/PG 3
WGKGermany: 3
PackingGroup: III
HS Code: 29349990

Appearance	Reddish-violet powder
pH	3(Yellow)-4.6(Blue) 6(yellow)-7.6(blue)
ssay	≥ 98.00%

Purity: 99%
Spec 1: Colorless or light rose red small crystals
Application: Bromophenol blue can be used as an acid-base indicator with a pH of 3.0 (yellow) -4.6 (purple); Non aqueous solution titration indicator; Adsorption indicator; Protein electrophoresis staining, virus assay, etc.

Density	2.199g/cm3
Melting point	273℃
Boiling point	605.6°C at 760 mmHg
Flash point	320.1°C
Uses	As acid-base indicator