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Environmental fate & pathways

Phototransformation in air

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Description of key information

244-trimethylpentene has a half-life of <1 day.

Key value for chemical safety assessment

Half-life in air:
1 d

Additional information

244-trimethylpentene has a half-life of <1 day. Atkinson (1990) applied a least squares analysis of degradation rate constants for organic chemicals by hydroxyl radicals developed by other investigators. Measured data from the author and other investigators were quality assessed and then used to develop rate constants for different chemicals. Therefore, this value represents a valid rate constant for 2,4,4 -trimethylpentene based on all valid studies at the time of publication. The study is a non-GLP, non-guideline study published in peer reviewed literature and is considered to be acceptable with restrictions.