Registration Dossier

Environmental fate & pathways

Hydrolysis

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Administrative data

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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1999
Report Date:
1999

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to
Guideline:
OECD Guideline 111 (Hydrolysis as a Function of pH)
Deviations:
no
Qualifier:
according to
Guideline:
EU Method C.7 (Degradation: Abiotic Degradation: Hydrolysis as a Function of pH)
Deviations:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
other:
Radiolabelling:
no

Results and discussion

Total recovery of test substance (in %)open allclose all
% Recovery:
100
pH:
4
Temp.:
50 °C
Duration:
5 d
% Recovery:
85
pH:
7
Temp.:
50 °C
Duration:
5 d
% Recovery:
0
pH:
9
Temp.:
50 °C
Duration:
5 d
% Recovery:
77
pH:
9
Temp.:
50 °C
Duration:
2.4 h
Dissipation DT50 of parent compoundopen allclose all
pH:
4
Temp.:
50 °C
DT50:
> 1 yr
Remarks on result:
other:
pH:
7
Temp.:
25 °C
DT50:
7 839 h
Type:
other:
Remarks on result:
other:
pH:
7
Temp.:
50 °C
DT50:
412 h
Type:
(pseudo-)first order (= half-life)
pH:
7
Temp.:
65 °C
DT50:
93 h
Type:
(pseudo-)first order (= half-life)
pH:
7
Temp.:
75 °C
DT50:
33 h
Type:
(pseudo-)first order (= half-life)
pH:
9
Temp.:
50 °C
DT50:
6 h
Type:
(pseudo-)first order (= half-life)
pH:
9
Temp.:
25 °C
DT50:
109 h
Type:
(pseudo-)first order (= half-life)

Applicant's summary and conclusion

Validity criteria fulfilled:
yes