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Substance Name: Orthotolidine
RN: 119-93-7
UNII: 63HLO2IV6K
InChIKey: NUIURNJTPRWVAP-UHFFFAOYSA-N

Molecular Formula

  • C14-H16-N2

Molecular Weight

  • 212.294
 

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) = 10 lb
  • Skin; Confirmed Animal Carcinogen with Unknown Relevance to Humans

Names and Synonyms

Name of Substance

  • 2-Tolidine
  • 3,3'-Dimethylbenzidine
  • o-Tolidine
  • Orthotolidine

Synonyms

  • 2-Tolidin
  • 2-Tolidin [German]
  • 2-Tolidina
  • 2-Tolidina [Italian]
  • 2-Tolidine
  • 3,3'-Dimethyl-(1,1'-biphenyl)-4,4'-diamine
  • 3,3'-Dimethyl-4,4'-biphenyldiamine
  • 3,3'-Dimethyl-4,4'-diaminobiphenyl
  • 3,3'-Dimethyl-4,4'-diphenyldiamine
  • 3,3'-Dimethylbenzidine
  • 3,3'-Tolidine
  • 4,4'-Bi-o-toluidine
  • 4,4'-Di-o-toluidine
  • 4,4'-Diamino-3,3'-dimethylbiphenyl
  • 4,4'-Diamino-3,3'-dimethyldiphenyl
  • 4-13-00-00419 (Beilstein Handbook Reference)
  • AI3-19499
  • Bianisidine
  • BRN 2210640
  • C.I. 37230
  • C.I. Azoic Diazo Component 113
  • CCRIS 256
  • CI 37230
  • CI Azoic diazo component 113
  • Diaminoditolyl
  • Diaminotolyl
  • EINECS 204-358-0
  • Fast Dark Blue Base R
  • HSDB 1640
  • o-Tolidine
  • Orthotolidine
  • RCRA waste number U095
  • UNII-63HLO2IV6K

Systematic Names

  • (1,1'-Biphenyl)-4,4'-diamine, 3,3'-dimethyl-
  • 3,3'-Dimethylbenzidine
  • 4,4'-Bi-o-toluidine
  • Benzidine, 3,3'-dimethyl-

Superlist Names

  • (1,1'-Biphenyl)-4,4'-diamine, 3,3'-dimethyl-
  • 3,3'-Dimethylbenzidine
  • o-Tolidine
  • RCRA waste no. U095

Registry Numbers

CAS Registry Number

  • 119-93-7

FDA UNII

  • 63HLO2IV6K

Related Registry Numbers

  • 41766-75-0 (di-hydrofluoride)
  • 612-82-8 (di-hydrochloride)
  • 7563-59-9 (unspecified hydrochloride)

System Generated Number

  • 0000119937

Structure Descriptors

InChI

1S/C14H16N2/c1-9-7-11(3-5-13(9)15)12-4-6-14(16)10(2)8-12/h3-8H,15-16H2,1-2H3

InChIKey

NUIURNJTPRWVAP-UHFFFAOYSA-N

Smiles

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

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.
mouse LDLo intraperitoneal 125mg/kg (125mg/kg)   "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. Vol. 6, Pg. 64, 1954.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 131.5 deg C   EXP
Boiling Point 339 deg C   EXP
pKa Dissociation Constant 4.5 (none) 25 EXP
log P (octanol-water) 2.34 (none)   EXP
Water Solubility 1300 mg/L 25 EXP
Vapor Pressure 6.92E-07 mm Hg 25 EST
Henry's Law Constant 6.29E-11 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 1.89E-10 cm3/molecule-sec 25 EST

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