Registration Dossier

Environmental fate & pathways

Phototransformation in air

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Administrative data

Link to relevant study record(s)

Description of key information

The estimated half-life (DT-50) of the substance in air is 25.6 days, based on a calculation using the AOPWIN™ v1.92 module of EPI Suite v.4.00.

Key value for chemical safety assessment

Half-life in air:
25.6 d

Additional information

Though the value was obtained for CAS 127-52-6, it is valid for the substance “CAS 127-52-6 trihydrate”, of which it is the main constituent.