Registration Dossier
Registration Dossier
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EC number: 228-783-6 | CAS number: 6358-69-6
Endpoint summary
Administrative data
Description of key information
Hydrolysis
On the basis of the experimental studies of the structurally and functionally similar read across chemical and applying the weight of evidence approach, the hydrolysis half-life value of the test chemical can be expected to be > 5 days at pH 4, 7 and 9 & at a temperature of 50⁰C, respectively or > 1 years at pH 7 & at a temperature of 20⁰C, respectively.
Additional information
Hydrolysis
Data available for the structurally and functionally similar read across chemicals has been reviewed to determine the half-life of the test chemical. The studies are as mentioned below:
The half-life of the test chemical was determined at different pH range. The study was performed according to OECD Guideline 111 (Hydrolysis as a Function of pH) at a temperature of 50°C. The average percentage recovery of the test chemical after 5 days was determined to be 99.0, 99.5 and 98.7% at pH 4, 7 and 9, respectively. As no hydrolysis of test item was observed for a period of 5 days, the half-lives was determined to be > 5 days at pH 4, 7 and 9 & at a temperature of 50⁰C, respectively. Based on the half-life values, it is concluded that the test substance is not hydrolysable.
In an another study, the half-life of the test chemical was determined at pH 7.0. The study was performed at a temperature of 50°C. The only functional group present is the amide group, which hydrolyzes slowly at neutral pH. The half-life value of the test chemical was determined to be > 1 years at pH 7 & at a temperature of 20⁰C, respectively. Based on the half-life value, it is concluded that test chemical is not hydrolysable.
On the basis of the experimental studies of the structurally and functionally similar read across chemical and applying the weight of evidence approach, the hydrolysis half-life value of the test chemical can be expected to be > 5 days at pH 4, 7 and 9 & at a temperature of 50⁰C, respectively or > 1 years at pH 7 & at a temperature of 20⁰C, respectively.
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