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Home/Compounds/Food Additive/Erythrosine sodium
C20H8I4O5
835.9 g/mol
Food Additive

E127

CAS16423-68-0EC240-046-0
Category
Food Additive
Compound Class
Other
Primary Use
Food colorant

E127 is a synthetic red dye used as a food colorant. It is derived from tetraiodofluorescein and has also been reported in Dianthus superbus.

PigmentFood colorant

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

StrongSame Parent

Erythrosine Lake

CAS12227-78-0

Red lake pigment for food and cosmetics

ReferenceSame Category

Pigment Blue 63

CAS16521-38-3

Food colorant lake pigment

ReferenceSame Category

Neotame

CAS165450-17-9

Non-nutritive sweetener

ReferenceSame Category

Potassium metabisulfite

CAS16731-55-8

Food preservative and antioxidant

ReferenceSame Category

Potassium paraben

CAS16782-08-4

preservative in cosmetics and food

Referencesame scaffold

4',5'- dibromofluorescein

CAS596-03-2

colorant in personal care products

Referencesame scaffold

6-CARBOXYFLUORESCEIN DIPIVALATE

CAS192374-17-7

research compound

Referencesame scaffold

6-FAM-phosphoramidite

CAS204697-37-0

research compound

Customs Tariff Classification

The international HS code for E127 (CAS 16423-68-0) is 3204.12.

HS code (international, 6-digit)

3204.12

EU CN code (8-digit)

3204 12 00

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one

InChIKey

OALHHIHQOFIMEF-UHFFFAOYSA-N

SMILES

C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C(=C4OC5=C(C(=C(C=C35)I)O)I)I)O)I

Synonyms (50)
  • A1EPA
  • E127
  • 2,4,5,7-Erythrosin
  • 2,5,7-Erythrosin
  • 2,5,7-Tetraiodofluorescein
  • C.I. Food Red 14
  • C.I. Solvent Red 140
  • Ceplac
  • Cogilor orange 211.10
  • Cogilor orange 312.42
  • Dianthine B
  • E127 Erythrosine
  • ERYTHROSINE J
  • Erythrosin B
  • Erythrosin B, Dye content
  • Erythrosin Free Acid
  • Erythrosine B (free acid)
  • Erythrosine acid
  • Erythrosine, phenolic
  • Erythrosine, sodium anhydrous
  • FD & C red no. 3
  • FD and C Red No. 3
  • Felumin
  • Fluoresceins
  • Iodeosin
  • Iodeosine B
  • Iodoeosine
  • Pyrosine B
  • Red 1427
  • Solvent Red 140
  • Solvent red 140; Iodoeosine
  • Tetraiodofluorescein
  • Tetraiodofluoresceuin
  • Tetrajodfluorescein
  • Trace

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