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Physical & Chemical properties

Water solubility

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Description of key information

The water solubility of N-(1,3-dimethylbutyl)-N'-phenylbenzene-1,4-diamine (Vulkanox 4020) is approx. 1 mg/L at 50°C (Bayer AG, 1997)
In another test the water solubility of N-(1,3-dimethylbutyl)-N'-phenylbenzene-1,4-diamine (Santoflex 13) is 1.1 mg/L at ambient temperature.
(Monsanto, 1978)
-Because of the test substance DUSANTOX 6PPD is not stable in water, it is not possible to determine its water solubility. (Duslo, 2008)

Key value for chemical safety assessment

Water solubility:
1 mg/L
at the temperature of:
50 °C

Additional information

This result is of theoretical interest as the substance hydrolyses rapidly with a half life of about 8 hours.