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CAS 1689-82-3 — Solvent yellow 7 (4-Phenylazophenol)

Solvent Yellow 7 (4-Phenylazophenol) is an azo dye used primarily as a colorant in plastics, inks, and coatings for its bright yellow hue and excellent solubility in organic solvents. It is also employed in analytical chemistry for staining and as a pH indicator. This chemical has a CAS number of 1689-82-3, a molecular formula of C12H10N2O, and a molecular weight of 198.2206. It is stable at ambient storage conditions with no signal word classification. Molekula supplies Solvent Yellow 7 from research to bulk quantities with full documentation and ISO 9001:2015 traceability.