CAS Registry Number

CAS 842-07-9 — Sudan I (C.I. 12055)

Sudan I (C.I. 12055) is a bright red azo dye primarily used in analytical chemistry for staining fats and oils, as well as in research for lipid visualization. It is also historically used in food coloring, though its use is now restricted due to safety concerns. This chemical has a CAS number of 842-07-9, with the molecular formula C16H12N2O and a molecular weight of 248.2793. It is stable at ambient storage conditions and carries no signal word for hazard classification. Molekula supplies Sudan I from research to bulk quantities with full documentation and ISO 9001:2015 traceability.