Amaranth
CI Food Red 9
Naphthol Rot S
CI No. 16185
Class: Mono-Azo
Trisodium 3-hydroxy-4-(4-sulfonato-1-naphthylazo)-2,7-naphthalenedisulfonate C20H11N2Na3O10S3 Formula wt: 604.48
123 [915-67-3] 7RBV3X49K amaranth
Naphthol Rot S
CI No. 16185
Class: Mono-Azo
Trisodium 3-hydroxy-4-(4-sulfonato-1-naphthylazo)-2,7-naphthalenedisulfonate C20H11N2Na3O10S3 Formula wt: 604.48
123 [915-67-3] 7RBV3X49K amaranth
DESCRIPTION
Amaranth occurs as red-brown to dark red-brown powder or granules. It is principally the trisodium salt of 3-hydroxy-4-(4-sulfonato-1-naphthylazo)-2,7-naphthalenedisulfonate and subsidiary coloring matters together with sodium chloride and/or sodium sulfate as the principal uncolored components. It is soluble in water and sparingly soluble in ethanol.