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Diss Factsheets

Environmental fate & pathways

Hydrolysis

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Endpoint:
hydrolysis
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the substance is readily biodegradable
Endpoint:
hydrolysis
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Remarks:
Although the method was not described in detail, the guideline was clearly stated: the test was carried out according to OECD guidelines. Kurume Laboratory is furthermore a well-known and trustworthy, respected laboratory. The signature and name of the author was not present, but this is because the report was an English translation of a Japanese study. The results are missing from the report. However, this study was regarded as critical SIDS endpoint with Klimisch value 2 (valid with restrictions)
Qualifier:
according to guideline
Guideline:
OECD Guideline 111 (Hydrolysis as a Function of pH)
Deviations:
not specified
GLP compliance:
no
Duration:
5 d
Temp.:
50 °C
Initial conc. measured:
ca. 1 000 mg/L
Number of replicates:
2

No further information on test procedures other than what is included in the above summary was available. The procedure followed OECD 111. The results of the preliminary tests were not included in the report.

Based on results of the preliminary tests, the test material was judged not to be hydrolyzed at pH 4, pH7 or pH 9

Validity criteria fulfilled:
not specified
Conclusions:
Based on results of the preliminary tests, the test material was judged not to be hydrolyzed at pH 4, pH7 or pH 9

Description of key information

The study does not need to be conducted if the substance is readily biodegradable.

Based on results of the preliminary tests, the test material was judged not to be hydrolyzed at pH 4, pH7 or pH 9

Key value for chemical safety assessment

Additional information