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Substance Name: Azobenzene
RN: 103-33-3
UNII: F0U1H6UG5C
InChIKey: DMLAVOWQYNRWNQ-BUHFOSPRSA-N

Note

  • Photosensor molecule known to undergo reversible isomerization from trans to cis on illumination with photons of appropriate wavelength.

Molecular Formula

  • C12-H10-N2

Molecular Weight

  • 182.225
 

Classification Codes

Classification Codes

  • Acaricide
  • Agricultural Chemical
  • Fungicide, Bactericide, Wood Preservative
  • Insecticide
  • Mutation Data
  • Out-Dated Pesticide
  • Tumor Data

Superlist Classification Code

  • Overall Carcinogenic Evaluation: Group 3

Names and Synonyms

Name of Substance

  • Azobenzene

Synonyms

  • 1,2-Diphenyldiazene
  • 1-16-00-00218 (Beilstein Handbook Reference)
  • AI3-14611
  • Azobenzeen
  • Azobenzeen [Dutch]
  • Azobenzene
  • Azobenzide
  • Azobenzol
  • Azobisbenzene
  • Azodibenzene
  • Azodibenzeneazofume
  • Azofume
  • Benzene, azobis-
  • Benzene, azodi
  • Benzeneazobenzene
  • Benzofume
  • BRN 0742609
  • Caswell No. 064
  • CCRIS 65
  • Diazene, diphenyl-
  • Diazobenzene
  • Diphenyldiazene
  • Diphenyldiimide
  • EINECS 203-102-5
  • ENT 14,611
  • EPA Pesticide Chemical Code 007401
  • HSDB 1513
  • NCI-C02926
  • NSC 2102
  • UNII-F0U1H6UG5C
  • USAF EK-704

Systematic Names

  • Azobenzene
  • Diazene, 1,2-diphenyl-
  • Diazene, diphenyl-

Superlist Name

  • Azobenzene

Registry Numbers

CAS Registry Number

  • 103-33-3

FDA UNII

  • F0U1H6UG5C

System Generated Number

  • 0000103333

Structure Descriptors

InChI

1S/C12H10N2/c1-3-7-11(8-4-1)13-14-12-9-5-2-6-10-12/h1-10H/b14-13+

InChIKey

DMLAVOWQYNRWNQ-BUHFOSPRSA-N

Smiles

c1(\N=N\c2ccccc2)ccccc1

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mammal (species unspecified) LDLo unreported 50mg/kg (50mg/kg)   Bulletin of the Entomological Society of America. Vol. 12, Pg. 117, 1966.
mouse LD50 intraperitoneal 500mg/kg (500mg/kg)   National Technical Information Service. Vol. AD277-689,
rat LD50 oral 1gm/kg (1000mg/kg)   Agricultural Research Service, USDA Information Memorandum. Vol. 20, Pg. 2, 1966.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 68 deg C   EXP
Boiling Point 293 deg C   EXP
pKa Dissociation Constant -2.95E+00 (none)   EXP
log P (octanol-water) 3.82 (none)   EXP
Water Solubility 6.4 mg/L 25 EXP
Vapor Pressure 3.61E-04 mm Hg 25 EXP
Henry's Law Constant 1.35E-05 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 1.55E-12 cm3/molecule-sec 25 EST

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