Registration Dossier

Environmental fate & pathways

Endpoint summary

Administrative data

Description of key information

Additional information

1,3,5 -trimethylbenzene is not expected to hydrolyse based on a lack of hydrolysable functional groups. However, according to Atkinson (1990), the kinetic rate constant for the reaction of 1,3,5-trimethylbenzene with OH radicals is measured to be 57.5 E-12 cm3/mol/s, indicating that the atmospheric half-life would be 7 hours.

The phototransformation results indicate a very short half-life in the environment, which supports the conclusion that 1,3,5-trimethylbenzene would not meet the screening criteria for being P/vP.