Numéro CAS

CAS 76-59-5 — Bromothymol bleu

Bromothymol Blue is a pH-sensitive dye used as an indicator in acid-base titrations, biological staining, and environmental testing to visually assess pH levels between 6.0 and 7.6, shifting from yellow to blue. It appears as a blue-green crystalline powder with a molecular formula of C27H28Br2O5S and a molecular weight of 624.38 g/mol. Stable at ambient conditions, it requires no special signal warnings. Molekula supplies Bromothymol Blue from research to bulk quantities with full documentation and ISO 9001:2015 traceability.