Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
hydrolysis
Type of information:
experimental study
Adequacy of study:
key study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Report date:
2001

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method C.7 (Degradation: Abiotic Degradation: Hydrolysis as a Function of pH)
Deviations:
no

Test material

Constituent 1
Test material form:
liquid: viscous
Radiolabelling:
no

Results and discussion

Dissipation DT50 of parent compoundopen allclose all
pH:
4
Temp.:
60 °C
Hydrolysis rate constant:
0.019 h-1
DT50:
36 h
pH:
4
Temp.:
80 °C
Hydrolysis rate constant:
0.142 h-1
DT50:
4.88 h
pH:
7
Temp.:
60 °C
Hydrolysis rate constant:
0.017 h-1
DT50:
41.7 h
pH:
7
Temp.:
80 °C
Hydrolysis rate constant:
0.121 h-1
DT50:
5.75 h
pH:
9
Temp.:
60 °C
Hydrolysis rate constant:
0.02 h-1
DT50:
35.2 h
pH:
9
Temp.:
80 °C
Hydrolysis rate constant:
0.137 h-1
DT50:
5.05 h

Applicant's summary and conclusion

Validity criteria fulfilled:
yes

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