Registration Dossier

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

Summary of phys.-chem. data for test item 2-methyl-p-phenylenediamine

(all other endpoints are waived)

 Property Result 
 Appearance Colourless crystalline solid 
 Melting point 64 °C 
 Boling point 273.5 °C 
Rel. density  1.19 (at 21 °C)
 Particle size distribution Proportion of test item with particle size diameter < 100 µm less than 0.1 %
 Vapour pressure  0.454 Pa (at 25 °C)
 Partition coefficient log Pow = -0.321 (at 25 °C)
Water solubility  >= 500000 mg/L (at 20 °C)
 Flammability  non flammable solid
 Explosiveness  non explosive
Oxidising properties   no oxidising properties
 Dissociation contant

Dissociation constants of the two amine functional groups 5.89 and 2.66 (at 25°C)