Basic information
CAS NO
915-67-3
EINECS
213-022-2
Molecular Formula
C20H11N2Na3O10S3
Molecular Weight
604.473
English Name
Amaranth
Synonyms
C.I. 16185, C.I. Acid Red 27, C.I. Acid Red 27, trisodium salt, C.I. Food Red 9, C.I. Acid Red 27, trisodium salt (8CI), Amaranth, Acid Red 27, amaranth (C.I. 16185), amaranthe, Acid Red 27 (C.I.), trisodium 3-hydroxy-4-(4-sulphonato-1-naphthylazo)naphthalene-2,7-disulphonate, E 123, Amaranth red, trisodium (4Z)-3-oxo-4-[(4-sulfonatonaphthalen-1-yl)hydrazono]-3,4-dihydronaphthalene-2,7-disulfonate, trisodium (4E)-3-oxo-4-[(4-sulfonatonaphthalen-1-yl)hydrazono]-3,4-dihydronaphthalene-2,7-disulfonate, trisodium 3-hydroxy-4-[(E)-(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2,7-disulfonate, acid red 27
Physical and Chemical Properties
Melting point
>300℃
Water Solubility
50 g/L (20℃)
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