CAS Registry Number

CAS 2051-85-6 — Sudan Orange G (C.I. 11920)

Sudan Orange G (C.I. 11920) is a bright orange azo dye primarily used in industrial applications such as coloring oils, waxes, and solvents. It is also historically used in forensic analysis and as a fat-soluble dye in biological staining. This chemical has a CAS number of 2051-85-6, with the molecular formula C12H10N2O2 and a molecular weight of 214.22 g/mol. It is stored at ambient conditions and carries a signal word of "Warning" for safety classification. Molekula supplies Sudan Orange G from research to bulk quantities with full documentation and ISO 9001:2015 traceability.