Azorubine
Carmoisine
CI Food Red 3
CI No. 14720
Class: Mono-Azo
Disodium 4-hydroxy-3-(4-sulfonato-1-naphthylazo)-1-naphthalenesulfonate C20H12N2Na2O7S2 Formula wt: 502.44
122 [3567-69-9] DR4641L47F azorubine
CI Food Red 3
CI No. 14720
Class: Mono-Azo
Disodium 4-hydroxy-3-(4-sulfonato-1-naphthylazo)-1-naphthalenesulfonate C20H12N2Na2O7S2 Formula wt: 502.44
122 [3567-69-9] DR4641L47F azorubine
DESCRIPTION
Azorubine occurs as red powder or granules. It is principally the disodium salt of 4-hydroxy-3-(4-sulfonato-1-naphthylazo)-1-naphthalenesulfonate and subsidiary coloring matters, with sodium chloride and/or sodium sulfate as the principal uncolored components. It is soluble in water and sparingly soluble in ethanol.