Registration Dossier

Administrative data

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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1992
Report Date:
1992

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other:

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: particulate/powder
Radiolabelling:
no

Results and discussion

Total recovery of test substance (in %)open allclose all
% Recovery:
93
pH:
4
Temp.:
50 °C
Duration:
120 h
% Recovery:
94
pH:
7
Temp.:
50 °C
Duration:
896 h
% Recovery:
31
pH:
9
Temp.:
50 °C
Duration:
120 h
% Recovery:
49.2
pH:
9
Temp.:
60 °C
Duration:
44.5 h
% Recovery:
22.8
pH:
9
Temp.:
70 °C
Duration:
27 h
Dissipation DT50 of parent compoundopen allclose all
pH:
9
Temp.:
25 °C
Hydrolysis rate constant:
0 h-1
DT50:
5 974 h
Type:
(pseudo-)first order (= half-life)
pH:
9
Temp.:
60 °C
Hydrolysis rate constant:
0.016 h-1
DT50:
44 h
Type:
(pseudo-)first order (= half-life)
Remarks on result:
other:
pH:
9
Temp.:
70 °C
Hydrolysis rate constant:
0.054 h-1
DT50:
13 h
Type:
(pseudo-)first order (= half-life)
Remarks on result:
other:

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified