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Substance Name: Amaranth Dye
RN: 915-67-3
UNII: 37RBV3X49K
InChIKey: WLDHEUZGFKACJH-ZRUFZDNISA-K

Note

  • A sulfonic acid-based naphthylazo dye used as a coloring agent for foodstuffs and medicines and as a dye and chemical indicator. It was banned by the FDA in 1976 for use in foods, drugs, and cosmetics. (From Merck Index, 11th ed)

Molecular Formulas

  • C20-H11-N2-O10-S3.3Na
  • C20-H14-N2-O10-S3.3Na

Molecular Weight

  • 604.4789
 

Classification Codes

Classification Codes

  • Coloring Agents
  • Drug / Therapeutic Agent
  • Indicators and Reagents
  • Mutation Data
  • Reproductive Effect
  • Tumor Data

Superlist Classification Code

  • Overall Carcinogenic Evaluation: Group 3
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Names and Synonyms

Results Name

  • Amaranth Dye

Name of Substance

  • 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-((4-sulfo-1-naphthalenyl)azo)-, trisodium salt
  • 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-((4-sulfo-1-naphthyl)azo)-, trisodium salt
  • 3-Hydroxy-4-((4-sulfo-1-naphthalenyl)azo)-2,7-naphthalenedisulfon- ic acid, trisodium salt
  • 3-Hydroxy-4-((4-sulfo-1-naphthyl)azo)-2,7-naphthalenedisulfonic acid, trisodium salt
  • Acid Red 27
  • Amaranth
  • Amaranth (dye)
  • Amaranth [USP]
  • CI 16185

MeSH Heading

  • Amaranth Dye

Synonyms

  • 1-(4-Sulfo-1-naphthylazo)-2-naphthol-3,6-disulfonic acid trisodium salt
  • 1-(4-Sulpho-1-naphthylazo)-2-naphthol-3,6-disulphonic acid, trisodium salt
  • 1302 Red
  • 1508 Red
  • 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-((4-sulfo-1-naphthyl)azo)-, trisodium salt
  • 2-Hydroxy-1,1'-azonaphthalene-3,6,4'-trisulfonic acid trisodium salt
  • 3-Hydroxy-4-((4-sulfo-1-naphthalenyl)azo)-2,7-naphthalenedisulfonic acid trisodium salt
  • 3-Hydroxy-4-((4-sulpho-1-naphthalenyl)azo)-2,7-naphthalenedisulphonic acid, trisodium salt
  • 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
  • AI3-52541
  • Aizen Amaranth
  • Amacid Amaranth
  • Amarant
  • Amarant [Czech]
  • Amaranth
  • Amaranth (dye)
  • Amaranth 85
  • Amaranth A
  • Amaranth B
  • Amaranth BPC
  • Amaranth Extra
  • Amaranth J
  • Amaranth Lake
  • Amaranth R
  • Amaranth red
  • Amaranth S
  • Amaranth S Specially Pure
  • Amaranth USP
  • Amaranth WD
  • Amaranthe
  • Amaranthe USP (biological stain)
  • Azo Red R
  • Azo Rubine S.FQ
  • Azo Rubine SF
  • Azo Ruby S
  • Azorubin S
  • Azorubine S
  • Bordeaux S
  • Bordeaux S Extra Conc. A Export
  • Bordeaux S Extra Pure A
  • C.I. 16185
  • C.I. Acid Red 27
  • C.I. Acid Red 27, trisodium salt
  • C.I. Food Red 9
  • Calcocid Amaranth
  • Canacert Amaranth
  • CCRIS 2653
  • Certicol Amaranth S
  • Cerven kysela 27
  • Cerven kysela 27 [Czech]
  • Cerven potravinarska 9
  • Cerven potravinarska 9 [Czech]
  • 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
  • E 123
  • Edicol Amaranth
  • Edicol Supra Amaranth A
  • EEC No. 123
  • EINECS 213-022-2
  • Eurocert Amaranth
  • Fast Red
  • FD & C Red No. 2
  • FD and C Red No. 2
  • FD And C Red No. 2-Aluminium Lake
  • FD&C Red 2
  • FD&C Red No. 2
  • Food Red 2
  • Food Red 9
  • Fruit Red A Geigy
  • HD Amaranth B
  • HD Amaranth Supra
  • Hexacert Red No. 2
  • Hexacol Amaranth B Extra
  • Hidacid Amaranth
  • Hispacid Red AM
  • HSDB 569
  • Java Amaranth
  • Kayaku Amaranth
  • Kayaku Food Colour Red No. 2
  • Kca Foodcol Amaranth A
  • 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 Conc. Specially Pure
  • Naphthol Red S Specially Pure
  • Naphthol Red SI
  • Naptholrot S
  • Naptholrot S [German]
  • Neklacid Red A
  • NSC 215207
  • NSC 4300
  • Rakuto Amaranth
  • Raspberry red for jellies
  • Red dye No. 2
  • Red No. 2
  • S-Azo Rubine
  • San-ei Amaranth
  • Schultz Nr. 212
  • Schultz Nr. 212 [German]
  • Shikiso Amaranth
  • Solar Red O
  • Takaoka Amaranth
  • Tertracid Red A
  • Toyo Amaranth
  • Trisodium salt of 1-(4-sulfo-1-naphthylazo)-2-naphthol-3,6-disulfonic acid
  • Trisodium salt of 1-(4-sulpho-1-naphthylazo)-2-naphthol-3,6-disulphonic acid
  • UNII-37RBV3X49K
  • Usacert Red No. 2
  • Victoria Rubine O
  • Victoria Rubine O for food
  • Whortleberry Red
  • Wool Bordeaux 6RK
  • Wool Red
  • Wool Red 40F

Systematic Names

  • 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-((4-sulfo-1-naphthalenyl)azo)-, trisodium salt
  • 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-(2-(4-sulfo-1-naphthalenyl)diazenyl)-, sodium salt (1:3)
  • Amaranth
  • C.I. Acid Red 27, trisodium salt (8CI)
  • Trisodium 3-hydroxy-4-(4'-sulphonatonaphthylazo)naphthalene-2,7-disulphonate

Superlist Names

  • Amaranth
  • Amaranth (dye)
  • C.I. Acid Red 27, trisodium salt

Registry Numbers

CAS Registry Number

  • 915-67-3

FDA UNII

  • 37RBV3X49K

Other Registry Numbers

  • 11139-84-7
  • 12000-49-6
  • 23307-89-3

System Generated Number

  • 0000915673

Molecular Formulas

Molecular Formulas

  • C20-H11-N2-O10-S3.3Na
  • C20-H14-N2-O10-S3.3Na

Molecular Formula Fragments

  • C20-H11-N2-O10-S3
  • C20-H14-N2-O10-S3
  • COMPONENT
  • Na

Structure Descriptors

InChI

1S/C20H14N2O10S3.3Na/c23-20-18(35(30,31)32)10-11-9-12(33(24,25)26)5-6-13(11)19(20)22-21-16-7-8-17(34(27,28)29)15-4-2-1-3-14(15)16;;;/h1-10,23H,(H,24,25,26)(H,27,28,29)(H,30,31,32);;;/q;3*+1/p-3/b22-21+;;;

InChIKey

WLDHEUZGFKACJH-ZRUFZDNISA-K

Smiles

c12c(cc(S([O-])(=O)=O)c(c1\N=N\c1c3c(c(S([O-])(=O)=O)cc1)cccc3)O)cc(S([O-])(=O)=O)cc2.[Na+].[Na+].[Na+]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 1gm/kg (1000mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) Food and Cosmetics Toxicology. Vol. 14, Pg. 163, 1976.
rat LD50 intraperitoneal 1gm/kg (1000mg/kg)   Scientia Pharmaceutica. Vol. 47, Pg. 39, 1979.
rat LD50 intravenous 1gm/kg (1000mg/kg)   Scientia Pharmaceutica. Vol. 47, Pg. 39, 1979.

Physical Properties

Physical Property Value Units Temp (deg C) Source
log P (octanol-water) -5.130 (none)   EST
Water Solubility 6.00E+04 mg/L 25 EXP
Vapor Pressure 5.82E-25 mm Hg 25 EST
Atmospheric OH Rate Constant 1.80E-12 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.