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Substance Name: C.I. Direct Blue 2
RN: 2429-73-4
UNII: EE5HVP9RA8
InChIKey: FKVXIGHJGBQFIH-BOXWNSCSSA-K

Classification Codes

  • Mutation Data
  • Skin / Eye Irritant
  • TSCA Flag S (Substance is Identified in a Proposed or Final SNUR (Significant New Use Rule) under TSCA)

Molecular Formula

  • C32-H24-N6-O11-S3.3Na

Molecular Weight

  • 830.717
 
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Names and Synonyms

Name of Substance

  • C.I. Direct Blue 2

Synonyms

  • 2,7-Naphthalenedisulfonic acid, 5-amino-3-((4'-((7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-hydroxy-, trisodium salt
  • Airedale Black BHD
  • Aizen Direct Black BH
  • Altazine Black BH
  • Amanil Developed Black BHSW
  • Atul Developed Black BT
  • Azine Diazo Black BHK
  • Azocard Blue BH
  • Azomine Black BH
  • Belamine Diazo Black BH
  • Bencidal Navy Blue BH
  • Benzanil Black BH
  • Benzo Black Blue BH
  • Benzo Black Blue FBH
  • Blue BH
  • Brasilazol Black BG
  • Brasilazol Black BH
  • C.I. 22590
  • C.I. Direct Blue 2
  • C.I. Direct Blue 2 (VAN)
  • C.I. Direct Blue 2, trisodium salt
  • Calcoloid Diazo Black BHL
  • Calcomine Diazo Black BHD
  • Calcomine Diazo Black BTCW
  • CCRIS 6236
  • Chloramine Black BH
  • Chlorazol Black BH
  • Chlorazol Leather Black BH
  • Chrome leather Black BH
  • Chrome leather Black CR
  • Chrome leather Black DS
  • Chrome Leather Dark Blue BHM
  • CI 22590
  • CI Direct Blue 2, trisodium salt
  • Cutamin Dark Blue CB
  • Diacotton Black BH
  • Diamine Black BH
  • Diamine Black BHM
  • Diaminogene Velour Black B
  • Dianil Dark Blue H
  • Diaphtamine Black BH
  • Diazine Black BHC
  • Diazine Black H
  • Diazine Black HDW
  • Diazine Black HNJ
  • Diazo Black BH
  • Diazo Black BHN-CF
  • Diazo Black BHSW
  • Diazo Black BHSWK
  • Diazo Black CR
  • Diazo Direct Black N
  • Diazo Fast Black BH
  • Diazo Fast Black MBH
  • Diazo Navy Blue BH
  • Diazol Black BH
  • Diazophenyl Black BH
  • Diphenyl Blue Black GHS
  • Diphenyl Blue Black MBH
  • Direct Black BH
  • Direct Blue 2
  • Direct Blue Black BH
  • Direct Dark Blue BH
  • Direct Diazo Black
  • Direct Diazo Black C
  • Direct Diazo Black N
  • Direct Diazo Black S
  • Direct Navy Blue BH
  • EINECS 219-384-8
  • Eniazol Blue Black BHN
  • Fenamin Navy Blue H
  • Fixanol Blue BH
  • HSDB 4219
  • Indoxine KL
  • Japanol Black BHK
  • Kayaku Direct Black BH
  • Melantherine BH
  • Melantherine BHX
  • Mitsui Direct Black BH
  • Navy Blue EHBL
  • Navy Blue EMBL
  • NCI-C61110
  • Neklamin Black BH
  • NSC 75779
  • Paramine Black BH
  • Phenazo Black BH
  • Pheno Navy Blue
  • Pontamine Deep Blue BH
  • Pontamine Diazo Black BHid and BH
  • Pontamine Diazo Black BHSW
  • Symulon Direct Black BH
  • Tertrodirect Black BH
  • Tertrodirect Black BHS
  • UNII-EE5HVP9RA8
  • Union Fast Navy Blue DS
  • Vondacel Dark Blue BH
  • Zambesi Dark Blue BH

Systematic Names

  • 2,7-Naphthalenedisulfonic acid, 5-amino-3-((4'-((7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-4-hydroxy-, trisodium salt
  • 2,7-Naphthalenedisulfonic acid, 5-amino-3-(2-(4'-(2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl)(1,1'-biphenyl)-4-yl)diazenyl)-4-hydroxy-, sodium salt (1:3)
  • C.I. Direct Blue 2
  • C.I. Direct Blue 2, trisodium salt (8CI)
  • Trisodium 5-amino-3-((4'-((7-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo)(1,1'-biphenyl)-4-yl)azo)-4-hydroxynaphthalene-2,7-disulphonate

Registry Numbers

CAS Registry Number

  • 2429-73-4

FDA UNII

  • EE5HVP9RA8

Other Registry Number

  • 52350-22-8

System Generated Number

  • 0002429734

Molecular Formulas

Molecular Formula

  • C32-H24-N6-O11-S3.3Na

Molecular Formula Fragments

  • C32-H24-N6-O11-S3
  • COMPONENT
  • Na

Structure Descriptors

InChI

1S/C32H24N6O11S3.3Na/c33-20-6-1-18-12-26(51(44,45)46)29(31(39)24(18)14-20)37-35-21-7-2-16(3-8-21)17-4-9-22(10-5-17)36-38-30-27(52(47,48)49)13-19-11-23(50(41,42)43)15-25(34)28(19)32(30)40;;;/h1-15,39-40H,33-34H2,(H,41,42,43)(H,44,45,46)(H,47,48,49);;;/q;3*+1/p-3/b37-35+,38-36+;;;

InChIKey

FKVXIGHJGBQFIH-BOXWNSCSSA-K

Smiles

c12c(c(c(\N=N\c3ccc(c4ccc(\N=N\c5c(cc6ccc(cc6c5O)N)S(=O)(=O)[O-])cc4)cc3)c(c1)S(=O)(=O)[O-])O)c(cc(c2)S(=O)(=O)[O-])N.[Na+].[Na+].[Na+]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rabbit LDLo oral 10gm/kg (10000mg/kg)   Office of Toxic Substances Report. Vol. OTS,
rat LD50 oral 6450mg/kg (6450mg/kg) KIDNEY, URETER, AND BLADDER: OTHER CHANGES

LUNGS, THORAX, OR RESPIRATION: CHRONIC PULMONARY EDEMA

GASTROINTESTINAL: OTHER CHANGES
Office of Toxic Substances Report. Vol. OTS,