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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:
1995
Report date:
1995

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method C.7 (Degradation: Abiotic Degradation: Hydrolysis as a Function of pH)

Test material

Constituent 1
Test material form:
solid: particulate/powder

Results and discussion

Dissipation DT50 of parent compoundopen allclose all
pH:
4
Temp.:
25 °C
Hydrolysis rate constant:
ca. 0 s-1
DT50:
97 168.1 h
pH:
4
Temp.:
80 °C
Hydrolysis rate constant:
ca. 0.881 s-1
DT50:
21.8 h
pH:
4
Temp.:
80 °C
Hydrolysis rate constant:
ca. 0.896 s-1
DT50:
21.5 h
pH:
4
Temp.:
80 °C
Hydrolysis rate constant:
ca. 0.884 s-1
DT50:
21.7 h
Type:
other:
pH:
4
Temp.:
70 °C
Hydrolysis rate constant:
ca. 0.229 s-1
DT50:
84.2 h
pH:
4
Temp.:
70 °C
Hydrolysis rate constant:
ca. 0.238 s-1
DT50:
80.9 h
pH:
4
Temp.:
70 °C
Hydrolysis rate constant:
ca. 0.233 s-1
DT50:
82.6 h
Type:
other:
pH:
4
Temp.:
60 °C
Hydrolysis rate constant:
ca. 0.047 s-1
DT50:
408.3 h
pH:
4
Temp.:
60 °C
Hydrolysis rate constant:
ca. 0.07 s-1
DT50:
273.2 h
pH:
4
Temp.:
60 °C
Hydrolysis rate constant:
ca. 0.059 s-1
DT50:
340.8 h
Type:
other:

Applicant's summary and conclusion

Validity criteria fulfilled:
yes