CAS Registry Number

CAS 34722-90-2 — Bromothymol Blue sodium salt

Bromothymol Blue sodium salt is a synthetic pH indicator dye used in laboratory and industrial applications to detect acidity or alkalinity in solutions, changing color from yellow (acidic) to blue (basic). It is widely employed in titrations, biological buffers, and environmental testing for precise pH monitoring. This chemical has a CAS number of 34722-90-2, with the molecular formula C27H27Br2NaO5S and a molecular weight of 646.36. It is stored at ambient conditions and carries no signal word for hazard classification. Molekula supplies Bromothymol Blue sodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.