CAS Registry Number
CAS 7143-21-7 — beta-Naphthol violet
Beta-Naphthol violet is a synthetic azo dye primarily used as a pH indicator in analytical chemistry and as a colorant in textiles, plastics, and cosmetics. It changes color in acidic and alkaline conditions, making it valuable for titration and quality control applications. This chemical has a CAS number of 7143-21-7, a molecular formula of C16H9N3Na2O9S2, and a molecular weight of 497.37. It should be stored at ambient temperatures and carries a signal word of "Warning" for safety. Molekula supplies beta-Naphthol violet from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Molekula products for CAS 7143-21-7
Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.