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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Hydrolysis

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Administrative data

Link to relevant study record(s)

Description of key information

Half lives are:
pH 4: 1025 days
pH 7: >1 year
pH 9: 56 days

Key value for chemical safety assessment

Half-life for hydrolysis:
56 d
at the temperature of:
25 °C

Additional information

Two studies are available, both performed to EU method C7:

1) An extended study (Sydney, 1999) is key study, showing half-life at pH 4 of 1025 days (2.8 years) and at pH 9 of 56 days.

2) A preliminary study (Huntingdon Life Sciences, 1997) is a supporting study, showing a half-life at pH 7 of greater than one year.