Purple bromocresol

Formula : C 21 H 16 Br 2 O 5 S Molecular weight: 540.22 g/mol CAS Number : 115-40-2 EC Number : 204-087-8 Specification : pH indicator: jaune <5.2-6.8> pour pre Appearance: red-violet powder Melting point: 240°C - dec. Solubility in H2O: practically insoluble