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EC number: 700-714-9 | CAS number: 1254469-57-2
Hydrolysis
Administrative data
Link to relevant study record(s)
Description of key information
The half-lifes of the test substance at pH 7 and pH 9 were determined to be:
- at 20 °C: 1203 h = 50 d (pH7) and 17532 h = 730 d (pH9).
- at 25 °C: 679 h = 28 d (pH7) and 8331 h = 347 d (pH9).
The hydrolysis experiments with the test substance at pH 4 showed no pseudo-first oder kinetic. Therefore it can be assumed that at pH 4 there is no hydrolysis reaction.
Key value for chemical safety assessment
- Half-life for hydrolysis:
- 28 d
- at the temperature of:
- 25 °C
Additional information
The hydrolysis of the test substance was investigated according EU method C.7 and OECD guideline no. 111. The experiments at pH 4 showed no pseudo-first order kinetic. Therefore it can be assumed that there is no hydrolysis reaction at pH value.
The half-lifes of the test substance at pH 7 and pH 9 were determined to be:
- at 20 °C: 1203 h = 50 d (pH7) and 17532 h = 730 d (pH9).
- at 25 °C: 679 h = 28 d (pH7) and 8331 h = 347 d (pH9).
One major hydrolysis product (> 10 % of the applied dose) was identified in the experiments of tier 2 (retention time 1.6 min).
The major hydrolysis products are related to the proposed pathway of hydrolysis.
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