Skip Navigation
ChemIDplus A TOXNET DATABASE LiteBrowseAdvanced

Substance Name: C.I. Acid Red 18
RN: 2611-82-7
UNII: Z525CBK9PG
InChIKey: SWGJCIMEBVHMTA-ZRUFZDNISA-K

Classification Codes

  • Coloring Agents
  • Mutation Data
  • Tumor Data

Molecular Formula

  • C20-H14-N2-O10-S3.3Na

Molecular Weight

  • 604.479
 
* denotes mobile formatted website

Links to Resources


Search for this InChIKey on the Web

Names and Synonyms

Name of Substance

  • 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-((4-sulfo-1-naphthalenyl)azo)-, trisodium salt
  • 7-Hydroxy-8-((4-sulfo-1-naphthalenyl)azo)-1,3-naphthalenedisulfon- ic acid, trisodium salt
  • Acid Red 18
  • C.I. Acid Red 18
  • CI 16255
  • Ponceau 4R

Synonyms

  • 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-((4-sulfo-1-naphthalenyl)azo)-, trisodium salt
  • 1-(4-Sulpho-1-naphthylazo)-2-naphthol-6,8-disulphonic acid, trisodium salt
  • 1578 Red
  • Acid Brilliant Scarlet 3R
  • Acid Ponceau 4R
  • Acid Red 18
  • Acid Scarlet 3R
  • Acid Scarlet 3RZ
  • Acid Scarlet 4R
  • Acidal Bright Ponceau 3R
  • Acilan Scarlet V3R
  • Aizen Brilliant Scarlet 3RH
  • Atul Acid Scarlet 3R
  • Atul Scarlet F
  • Brilliant Ponceau 3R
  • Brilliant Ponceau 3RF
  • Brilliant Ponceau 4R
  • Brilliant Ponceau 4RC
  • Brilliant Ponceau 4RC Specially Pure
  • Brilliant Ponceau 5R
  • Brilliant Scarlet
  • Brilliant Scarlet 3R
  • Brilliant Scarlet 3R (Biological stain)
  • Brilliant Scarlet 4R
  • Bucacid Brilliant Scarlet 3R
  • C.I. 16255
  • C.I. 185
  • C.I. Acid Red 18
  • C.I. Acid Red 18 (VAN)
  • C.I. Acid Red 18, trisodium salt
  • C.I. Acid Red 28
  • C.I. Food Red 7
  • Calcocid Brilliant Scarlet 3RN
  • CCRIS 2652
  • Certicol Ponceau 4RS
  • Cerven kosenilova A
  • Cerven kosenilova A [Czech]
  • Cerven kysela 18
  • Cerven kysela 18 [Czech]
  • Cerven potravinarska 7
  • Cerven potravinarska 7 [Czech]
  • Cilefa Ponceau 4R
  • Coccin Red
  • Coccine
  • Coccine nouvelle
  • Coccine nouvelle [French]
  • Cochenillerot A
  • Cochenillerot A [German]
  • Cochineal Red 4R
  • Cochineal Red A
  • Cochineal Red A Specially Pure
  • Colacid Ponceau 4R
  • Crimson SX
  • Curol Bright Red 4R
  • Daishiki Brilliant Scarlet 3R
  • E 124
  • EC 220-036-2
  • Edicol Supra Ponceau 4R
  • Edicol Supra Ponceau 4RS
  • Edicol Supra Ponceaux 4 RS
  • Edicol Supra Ponceaux 4RS
  • EINECS 220-036-2
  • Eurocert Cochineal Red A
  • Fenazo Scarlet 3R
  • Food Red 102
  • Food Red 6
  • Food Red 7
  • Food Red No. 102
  • Food Red Number 102
  • HD Ponceau 4R
  • HD Ponceau 4R Supra
  • Hexacol Ponceau 4R
  • Hidacid Fast Scarlet 3R
  • Hispacid Brilliant Scarlet 3RF
  • HSDB 5537
  • Java Scarlet 3R
  • Kayaku Acid Brilliant Scarlet 3R
  • Kayaku Food Colour Red No. 102
  • Kiton Scarlet 4R
  • Kochineal Red A for food
  • L-Red 4
  • L-Rot 4
  • L-Rot 4 [German]
  • Naphthalene Ink Scarlet 4R
  • Naphthalene Scarlet 4R
  • Naphthalene Scarlet 4RS
  • Neklacid Red 3R
  • Neklacid Red 4R
  • Neucoccin
  • Neucoccin [German]
  • New coccin
  • New coccine
  • New Coccine Extra Conc. A Export
  • New Coccine Extra Pure A
  • New Coccine Red No. 102
  • NSC 4301
  • Ponceau 4R
  • Ponceau 4RE
  • Ponceau 4RE.FQ
  • Ponceau 4RF
  • Ponceau 4RT
  • Pontacyl Scarlet RR
  • Purple Red
  • Purple SX
  • Rakuto Brilliant Scarlet 3R
  • Red 102
  • Red Dye No. 102
  • Rouge de cochenille A
  • Rouge de cochenille A [French]
  • San-ei Brilliant Scarlet 3R
  • Scarlet 4R
  • Scarlet 4RA
  • Schultz Nr. 213
  • Schultz Nr. 213 [German]
  • Strawberry Red
  • Strawberry Red A Geigy
  • Sugai Brilliant Scarlet 3R
  • SX purple
  • Symulon Acid Brilliant Scarlet 3R
  • Takaoka Brilliant Scarlet 3R
  • UNII-Z525CBK9PG
  • Victoria Scarlet 3R
  • Victoria Scarlet Red
  • Victoria Scharlach 4 R Extra
  • Victoria Scharlach 4 R Extra [German]
  • Zolfosol

Systematic Names

  • 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-((4-sulfo-1-naphthalenyl)azo)-, trisodium salt
  • 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-(2-(4-sulfo-1-naphthalenyl)diazenyl)-, sodium salt (1:3)
  • 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-((4-sulfo-1-naphthalenyl)azo)-, trisodium salt
  • 7-Hydroxy-8-((4-sulfo-1-naphthalenyl)azo)-1,3-naphthalenedisulfonic acid trisodium salt
  • C.I. Acid Red 18, trisodium salt (8CI)
  • Ponceau 4R
  • Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate

Superlist Name

  • C.I. Acid Red 18, trisodium salt

Registry Numbers

CAS Registry Number

  • 2611-82-7

FDA UNII

  • Z525CBK9PG

Other Registry Numbers

  • 11138-24-2
  • 12000-58-7
  • 161628-34-8
  • 247151-36-6
  • 39470-82-1
  • 39471-00-6
  • 51811-48-4

System Generated Number

  • 0002611827

Molecular Formulas

Molecular Formula

  • C20-H14-N2-O10-S3.3Na

Molecular Formula Fragments

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

Structure Descriptors

InChI

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

InChIKey

SWGJCIMEBVHMTA-ZRUFZDNISA-K

Smiles

c12c(cc(S(=O)(=O)[O-])cc2S(=O)(=O)[O-])ccc(c1\N=N\c1c2c(c(S(=O)(=O)[O-])cc1)cccc2)O.[Na+].[Na+].[Na+]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 1600mg/kg (1600mg/kg) BEHAVIORAL: COMA

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Food and Cosmetics Toxicology. Vol. 5, Pg. 187, 1967.
mouse LDLo oral 8gm/kg (8000mg/kg)   Scientia Pharmaceutica. Vol. 47, Pg. 39, 1979.
rat LD50 intraperitoneal 600mg/kg (600mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: COMA
Food and Cosmetics Toxicology. Vol. 5, Pg. 187, 1967.
rat LD50 intravenous 1gm/kg (1000mg/kg)   Scientia Pharmaceutica. Vol. 47, Pg. 39, 1979.
rat LD50 oral > 8gm/kg (8000mg/kg) KIDNEY, URETER, AND BLADDER: "CHANGES IN TUBULES (INCLUDING ACUTE RENAL FAILURE, ACUTE TUBULAR NECROSIS)"

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)
Food and Cosmetics Toxicology. Vol. 5, Pg. 187, 1967.
rat LD50 unreported 2gm/kg (2000mg/kg)   Nara Igaku Zasshi. Journal of the Nara Medical Association. Vol. 30, Pg. 179, 1979.

Physical Properties

Physical Property Value Units Temp (deg C) Source
log P (octanol-water) 1.630 (none)   EST
Water Solubility 8.00E+04 mg/L 25 EXP
Vapor Pressure 1.29E-27 mm Hg 25 EST
Henry's Law Constant 1.49E-30 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 2.44E-12 cm3/molecule-sec 25 EST

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