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Environmental fate & pathways

Hydrolysis

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Link to relevant study record(s)

Reference
Endpoint:
hydrolysis
Data waiving:
study technically not feasible
Justification for data waiving:
the study does not need to be conducted because the substance is highly insoluble in water
Justification for type of information:
JUSTIFICATION FOR DATA WAIVING:
In accordance with column 2 of REACH Annex VIII, the hydrolysis as a function of pH study ( required in section 9.2.2.1) does not need to be conducted as the substance is a highly insoluble substance.

Description of key information

Data waiving: Hydrolysis does not need to be conducted as the substance is a highly insoluble substance.

Key value for chemical safety assessment

Additional information

Supporting study: Type A zeolites hydrolyze extensively in natural waters with a typical half-life of 1-2 months. This rate will be accelerated at low pH and retarded by high concentrations of hydrolysis products.