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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Available Physical and Chemical Data

Experimental results are available for 2,4 -TDA . Tests were performed on materials with purity higher than 99%, according to recommended guideline and under GLP. Explosiveness and oxidising properties were theoretically assessed.

Physical and Chemical properties of 2,4 -TDA

Melting point: 99°C (differential scanning calorimetry)

Boiling point: 288°C (differential scanning calorimetry)

Relative density: 1.26 (pycnometer, 20°C)

Vapour pressure: 0.017 Pa (25°C)

Partition coefficient: Log Pow = 0.074 (pH 7.36 -7.61, 25°C)

Water solubility: 38 g/L (in deionised water, 25°C)

Flashpoint: 160°C (closed-cup)

Autoflammability: 505°C

Explosiveness: not an explosive

Oxidising properties: not an oxidiser

Dissociation constant: pKa1 is 5.1and pKa2 is 2.7 (by titration method at 21°C)