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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:
1998

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
other:
Qualifier:
according to guideline
Guideline:
OECD Guideline 111 (Hydrolysis as a Function of pH)

Test material

Constituent 1
Test material form:
solid

Results and discussion

Dissipation DT50 of parent compoundopen allclose all
pH:
4
Temp.:
25 °C
Hydrolysis rate constant:
1.02 s-1
DT50:
2 447 h
pH:
4
Temp.:
50 °C
Hydrolysis rate constant:
12.6 s-1
DT50:
198 h
pH:
4
Temp.:
65 °C
Hydrolysis rate constant:
42.77 s-1
DT50:
59 h
pH:
4
Temp.:
75 °C
Hydrolysis rate constant:
107.8 s-1
DT50:
23 h
pH:
7
Temp.:
25 °C
DT50:
> 8 760 h
pH:
9
Temp.:
25 °C
Hydrolysis rate constant:
9.14 s-1
DT50:
271 h
pH:
9
Temp.:
50 °C
Hydrolysis rate constant:
176 s-1
DT50:
14 h
pH:
9
Temp.:
39 °C
Hydrolysis rate constant:
50.93 s-1
DT50:
49.5 h

Applicant's summary and conclusion