C20H11N2Na3O10S3
604.5 g/mol
Food AdditiveWarning
Acid red 27
CAS915-67-3EC213-022-2
Category
Food Additive
Compound Class
Other
Primary Use
synthetic food colorant
Amaranth is an organic molecular entity used as a synthetic food colorant. It is a water-soluble azo dye that imparts a red to purple-red color.
synthetic food 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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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Acid red 27 (CAS 915-67-3) 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
trisodium;3-hydroxy-4-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2,7-disulfonate
InChIKey
WLDHEUZGFKACJH-UHFFFAOYSA-K
SMILES
C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)[O-])N=NC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]
Synonyms (150)
- E123
- Amaranth USP
- Amaranthe usp (biological stain)
- 1302 Red
- 1508 Red
- AMARANTH [MART.]
- Acetacid Red 2BR
- Acid Amaranth
- Acid Amaranth I
- Acid Amaranth N
- Acid Leather Red I 2BW
- Acid Leather Rubine S
- Acid red 27
- Acilan Red SE
- Aizen Amaranth
- Amacid Amaranth
- Amarant
- Amarant [Czech]
- Amaranth
- Amaranth (>85%)
- Amaranth (dye)
- Amaranth (e 123)
- Amaranth A
- Amaranth B
- Amaranth BPC
- Amaranth Dye (80%)
- Amaranth Extra
- Amaranth J
- Amaranth Lake
- Amaranth R
- Amaranth S
- Amaranth S Specially Pure
- Amaranth WD
- Amaranth red
- Amaranth, Dye content 85-95 %
- Amaranthe
- Azo Red R
- Azo Rubine S.FQ
- Azo Rubine SF
- Azo Ruby S
- Azo rubine S
- Azorubin S
- Azorubine S (C.I. 16185)
- Bordeaux S
- Bordeaux S Extra Pure A
- C.I. Acid Red 27
- C.I. Food Red 9
- C.I.Acid Red 27 (free acid)
- Calcocid amaranth
- Canacert Amaranth
- Certicol Amaranth S
- Cerven kysela 27
- Cerven kysela 27 [Czech]
- Cerven potravinarska 9
- Cilefa Rubine 2B
- Cranberry Red
- D and C Red 2
- D&C Red 2
- Daishiki Amaranth
- Dolkwal Amaranth
- Dye FDC Red 2
- Dye Red Raspberry
- EEC No. 123
- Edicol Amaranth
- Edicol Supra Amaranth A
- Eurocert Amaranth
- FD & C Red No. 2
- FD and C Red No. 2
- FD&C RED NO. 2 (DELISTED)
- FD&C Red 2
- Fast Red
- Food Red 9
- Food Red No.2
- Food red 2
- Fruit Red A Geigy
- GR 229055A
- HD Amaranth B
- HD Amaranth Supra
- Hexacert Red No. 2
- Hexacol Amaranth B Extra
- Hidacid Amaranth
- Hispacid Red AM
- INS NO.123
- Java Amaranth
- KCA Foodcol Amaranth A
- Kayaku Amaranth
- Kayaku Food Colour Red No. 2
- Kiton Rubine S
- L Red Z 3050
- L-Red 3
- L-Rot 3
- L-Rot 3 [German]
- Lissamine
- Lissamine Amaranth AC
- Maple Amaranth
- Naphthol Red B
- Naphthol Red C
- Naphthol Red LZS
- Naphthol Red O
- Naphthol Red S
- Naphthol Red S Specially Pure
- Naphthol Red SI
- Naphtol rot s.
- Naptholrot S
- Naptholrot S [German]
- Neklacid Red A
- Rakuto Amaranth
- Raspberry Red For Jellies
- Red Dye No. 2
- Red No. 2
- S-Azo Rubine
- SCB-4380?
- San-ei Amaranth
- Schultz Nr. 212
- Schultz Nr. 212 [German]
- Shikiso Amaranth
- Solar Red O
- Takaoka Amaranth
- Tertracid Red A
- Toyo Amaranth
- Usacert Red No. 2
- Victoria Rubine O
- Victoria rubine O for food
- Whortleberry Red
- amaranth (FD&C red no. 2)
Sourcing Acid red 27?
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