SHEET /m/erythrosine · PubChem CID 3259 · CAS 16423-68-0 · REV 2026.07
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Erythrosine from source
C20H8I4O5 · 835.9 g/mol
E127 · FD & C red no. 3 · FDC Red No. 3 · Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-dihydroxy-2',4',5',7'-tetraiodo-, disodium salt
iodo-derivative of fluorone used as a pink dye
CategoryFood & flavor
Chemical familyAromatics
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Fig. 1 · 2D structure RDKit
C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C(=C4OC5=C(C(=C(C=C35)I)O)I)I)O)I
Where you'll find it
Not yet mapped to everyday foods or products.