Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

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)