Product Name

  • Name

    2,5-Dimethyl-1,4-benzenediamine

  • EINECS 229-003-7
  • CAS No. 6393-01-7
  • Article Data27
  • CAS DataBase
  • Density 1.076 g/cm3
  • Solubility
  • Melting Point 149-150 °C(lit.)
  • Formula C8H12N2
  • Boiling Point 281.087 °C at 760 mmHg
  • Molecular Weight 136.197
  • Flash Point 146.024 °C
  • Transport Information
  • Appearance Greyish-brown crystalline powder
  • Safety 26-36/37/39
  • Risk Codes 20/21/22-36/37/38
  • Molecular Structure Molecular Structure of 6393-01-7 (2,5-Dimethyl-1,4-benzenediamine)
  • Hazard Symbols HarmfulXn
  • Synonyms 2,5-Dimethyl-1,4-diaminobenzene;2,5-Dimethyl-1,4-phenylenediamine;2,5-Dimethyl-p-phenylenediamine;2,5-Diamino-1,4-dimethylbenzene;2,5-Diamino-p-xylene;2,5-Dimethyl-1,4-benzenediamine;1,4-Diamino-2,5-dimethylbenzene;1,4-Dimethylphenylene-2,5-diamine;p-Phenylenediamine,2,5-dimethyl- (7CI,8CI);
  • PSA 52.04000
  • LogP 2.63020

2,5-Dimethyl-1,4-benzenediamine Chemical Properties

The Molecular Structure of  2,5-Dimethyl-1,4-benzenediamine (CAS NO.6393-01-7) is

Cas Register Number: 6393-01-7
IUPAC Name:  2,5-Dimethylbenzene-1,4-diamine
Synonyms:  1,4-Benzenediamine, 2,5-dimethyl- ; 2,5-Dimethylbenzene-1,4-diamine ; 2,5-Dimethylbenzol-1,4-diamin ; (4-Amino-2,5-dimethylphenyl)amine ; 1,4-Dimethylphenylene-2,5-diamine ; 2,5-Dimethyl-1,4-Benzenediamine ; 2,5-Dimethyl-1,4-benzoquinonediamine ; 2,5-Dimethyl-1,4-phenylenediamine ; 2,5-Dimethylphenylene-1,4-diamine ; 2,5-Dimethyl-p-phenylenediamine
Molecular formula: C8H12N2
Molecular weight: 136.194280g/mol 
Product Categories: Fluorenes, etc. (reagent for high-performance polymer research); Functional Materials; Reagent for High-Performance Polymer Research; Amine Monomers; Monomers; Primary Amines 
H bond acceptors: 2
H bond donors: 4
Freely Rotating Bonds: 2
Polar Surface Area: 6.48 Å2
Index of Refraction: 1.618
Molar Refractivity: 44.37 cm3
Molar Volume: 126.5 cm3
Surface Tension: 48.6 dyne/cm
Density: 1.076 g/cm3
Flash Point: 146 °C
Enthalpy of Vaporization: 51.99 kJ/mol
Boiling Point: 281.1 °C at 760 mmHg
Vapour Pressure  of  2,5-Dimethyl-1,4-benzenediamine (CAS NO.6393-01-7): 0.00364 mmHg at 25°C

2,5-Dimethyl-1,4-benzenediamine Safety Profile

Hazard Codes: HarmfulXn
Risk Statements: 20/21/22-36/37/38 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37/39-36/37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S37/39:Wear suitable gloves and eye/face protection. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: 2811
WGK Germany: 3
HazardClass: 6.1(a)
PackingGroup: II

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