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Substance Name: 3,3'-Dimethoxybenzidine
RN: 119-90-4
UNII: MJY508JZXV
InChIKey: JRBJSXQPQWSCCF-UHFFFAOYSA-N

Note

  • Highly toxic compound which can cause skin irritation and sensitization. It is used in manufacture of azo dyes.

Molecular Formula

  • C14-H16-N2-O2

Molecular Weight

  • 244.292
 

Classification Codes

Classification Codes

  • Mutation Data
  • Tumor Data

Superlist Classification Codes

  • Overall Carcinogenic Evaluation: Group 2B
  • Reasonably Anticipated to be a Carcinogen
  • Reportable Quantity (RQ) = 100 lb

Names and Synonyms

Name of Substance

  • 3,3'-Dimethoxybenzidine
  • Dianisidine

MeSH Heading

  • Dianisidine

Synonyms

  • (1,1'-Biphenyl)-4,4'-diamine, 3,3'-dimethoxy-
  • 3,3'-Dianisidine
  • 3,3'-Dimethoxy-4,4'-diaminobiphenyl
  • 3,3'-Dimethoxy-4,4'-diaminodiphenyl
  • 3,3'-Dimethoxybenzidin
  • 3,3'-Dimethoxybenzidin [Czech]
  • 3,3'-Dimethoxybenzidine
  • 3,3'-Dimethoxybiphenyl-4,4'-diamine
  • 3,3'-Dimetossibenzodina
  • 3,3'-Dimetossibenzodina [Italian]
  • 4,4'-Bi-o-anisidine
  • 4,4'-Diamino-3,3'-dimethoxybiphenyl
  • 4,4'-Diamino-3,3'-dimethoxydiphenyl
  • Acetamine Diazo Black RD
  • Acetamine Diazo Navy RD
  • AI3-00864
  • Amacel Developed Navy SD
  • Azoene Fast Blue Base
  • Azofix Blue B Salt
  • Azogene Fast Blue B
  • Azogene Fast Blue B Salt
  • Benzidene, 3,3'-dimethoxy-
  • Biphenyl, 4,4'diamino-3,3'dimethoxy
  • Blue Base irga B
  • Blue Base NB
  • Blue BN Base
  • Brentamine Fast Blue B Base
  • C.I. 24110
  • C.I. Azoic Diazo Component 48
  • C.I. Disperse Black 6
  • CCRIS 249
  • Cellitazol B
  • Cibacete Diazo Navy Blue 2B
  • Di-p-aminodi-m-methoxydiphenyl
  • Diacel Navy DC
  • Diacelliton Fast Grey G
  • Dianisidine
  • Diato Blue Base B
  • Diazo Fast Blue B
  • Disperse Black 6
  • EINECS 204-355-4
  • Fast Blue B Base
  • Fast Blue Base B
  • Fast Blue DSC Base
  • Hiltonil Fast Blue B Base
  • HSDB 1627
  • Kayaku Blue B Base
  • Lake Blue B Base
  • Meisei Teryl Diazo Blue HR
  • Mitsui Blue B Base
  • Naphthanil Blue B Base
  • Neutrosel Navy BN
  • NSC 3168
  • o-Dianisidin
  • o-Dianisidin [Czech, German]
  • o-Dianisidina
  • o-Dianisidina [Italian]
  • o-Dianisidine
  • o-Dimethoxybenzidine
  • ortho-Dianisidine
  • RCRA waste number U091
  • Setacyl Diazo Navy R
  • Spectrolene Blue B
  • UNII-MJY508JZXV

Systematic Names

  • (1,1'-Biphenyl)-4,4'-diamine, 3,3'-dimethoxy-
  • 3,3'-Dimethoxybenzidine
  • Benzidine, 3,3'-dimethoxy-

Superlist Names

  • (1,1'-Biphenyl)-4,4'-diamine, 3,3'-dimethoxy-
  • 3,3'-Dimethoxybenzidine
  • o-Dianisidine
  • RCRA waste no. U091

Registry Numbers

CAS Registry Number

  • 119-90-4

FDA UNII

  • MJY508JZXV

Other Registry Number

  • 59777-10-5

Related Registry Numbers

  • 20325-40-0 (di-hydrochloride)
  • 56436-30-7 (sulfate)

System Generated Number

  • 0000119904

Structure Descriptors

InChI

1S/C14H16N2O2/c1-17-13-7-9(3-5-11(13)15)10-4-6-12(16)14(8-10)18-2/h3-8H,15-16H2,1-2H3

InChIKey

JRBJSXQPQWSCCF-UHFFFAOYSA-N

Smiles

c1(c2cc(c(N)cc2)OC)cc(c(N)cc1)OC

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
dog LDLo oral 600mg/kg (600mg/kg)   Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 58, Pg. 167, 1907.
rat LD50 oral 1920mg/kg (1920mg/kg)   "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 723, 1986.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 137 deg C   EXP
Boiling Point 356 deg C   EXP
log P (octanol-water) 1.81 (none)   EXP
Water Solubility 60 mg/L 25 EXP
Vapor Pressure 1.25E-07 mm Hg 25 EST
Henry's Law Constant 4.70E-11 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 1.30E-10 cm3/molecule-sec 25 EST

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