Product Name

  • Name

    N,N,N',N'-TETRAMETHYL-O-PHENYLENEDIAMINE

  • EINECS
  • CAS No. 704-01-8
  • Article Data18
  • CAS DataBase
  • Density 0.9560
  • Solubility
  • Melting Point 8.9°C
  • Formula C10H16 N2
  • Boiling Point 281.73°C (rough estimate)
  • Molecular Weight 164.25
  • Flash Point 77.1oC
  • Transport Information
  • Appearance
  • Safety Poison by intravenous route. When heated to decomposition it emits toxic fumes of NOx.
  • Risk Codes
  • Molecular Structure Molecular Structure of 704-01-8 (N,N,N',N'-TETRAMETHYL-O-PHENYLENEDIAMINE)
  • Hazard Symbols
  • Synonyms 1,2-Benzenediamine,N,N,N',N'-tetramethyl- (9CI); o-Phenylenediamine, N,N,N',N'-tetramethyl-(6CI,7CI,8CI); 1,2-Bis(dimethylamino)benzene;N,N,N',N'-Tetramethyl-1,2-phenylenediamine;N,N,N',N'-Tetramethyl-o-phenylenediamine; NSC 97344;o-Phenylenebis(dimethylamine)
  • PSA 6.48000
  • LogP 1.81860

N,N,N',N'-tetramethyl-o-phenylene-diamine Chemical Properties

IUPAC Name: 1-N,1-N,2-N,2-N-tetramethylbenzene-1,2-diamine 
Synonyms of N,N,N',N'-tetramethyl-o-phenylene-diamine (CAS NO.704-01-8): 1,2-Benzenediamine, N,N,N',N'-tetramethyl- ; 1,2-Bis(dimethylamino)benzene ; 4-13-00-00042 (Beilstein Handbook Reference) ; AI3-51107 ; BRN 2209310 ; EINECS 211-878-1 ; N,N,N',N'-Tetramethyl-o-phenylenediamine ; N,N,N,N-Tetramethyl-1,2-benzenediamine ; NSC 97344 ; o-Phenylenebis(dimethylamine) ; o-Phenylenediamine, N,N,N',N'-tetramethyl-
CAS NO: 704-01-8
Molecular Formula of N,N,N',N'-tetramethyl-o-phenylene-diamine (CAS NO.704-01-8): C10H16N2
Molecular Weight: 164.2474
H bond acceptors: 2 
Freely Rotating Bonds: 2 
Index of Refraction: 1.577
Molar Refractivity: 54.87 cm3
Molar Volume: 165.4 cm3
Surface Tension: 38.2 dyne/cm
Density of N,N,N',N'-tetramethyl-o-phenylene-diamine (CAS NO.704-01-8): 0.992 g/cm3
Flash Point: 77.1 °C
Enthalpy of Vaporization: 45.24 kJ/mol
Boiling Point: 216 °C at 760 mmHg
Vapour Pressure: 0.143 mmHg at 25°C
Molecular Structure:

N,N,N',N'-tetramethyl-o-phenylene-diamine Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intravenous 320mg/kg (320mg/kg)   U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#03995,
quail LD50 oral > 316mg/kg (316mg/kg)   Ecotoxicology and Environmental Safety. Vol. 6, Pg. 149, 1982.

N,N,N',N'-tetramethyl-o-phenylene-diamine Consensus Reports

Reported in EPA TSCA Inventory.

N,N,N',N'-tetramethyl-o-phenylene-diamine Safety Profile

Poison by intravenous route. When heated to decomposition it emits toxic fumes of NOx.

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