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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Phototransformation in air

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Administrative data

Link to relevant study record(s)

Description of key information

The reaction with OH radicals is expected to be the primary degradation mechanism for beta-alanine in air. The estimated half-life for this reaction of 11.6 hours would indicate a low level of concern for persistence of beta-alanine in air.

Key value for chemical safety assessment

Additional information

Using the estimation program EpiSuite (AopWin v1.92) the calculated atmospheric half-life for beta-aniline accounts for 11.645 hours assuming OH-radicals as sensitisers.