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Diss Factsheets

Administrative data

Endpoint:
hydrolysis
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2011
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2001
Report date:
2012

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 111 (Hydrolysis as a Function of pH)
Deviations:
no
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
466-280-5
EC Name:
-
Cas Number:
67643-70-3
Molecular formula:
C13H23NO2
IUPAC Name:
3,7-dimethylocta-1,6-dien-3-yl N,N-dimethylcarbamate
Details on test material:
Lot. VE00128305
Purity 98.8%

Study design

Analytical monitoring:
yes
Duration of testopen allclose all
Duration:
26 h
pH:
4
Temp.:
20 °C
Initial conc. measured:
ca. 23 mg/L
Duration:
26 h
pH:
4
Temp.:
22.5 °C
Initial conc. measured:
ca. 22.7 - ca. 22.8 mg/L
Duration:
26 h
pH:
4
Temp.:
25 °C
Initial conc. measured:
ca. 23.1 - ca. 23.8 mg/L
Duration:
46.5 h
pH:
7
Temp.:
20 °C
Initial conc. measured:
ca. 24.5 - ca. 26.9 mg/L
Duration:
25.5 h
pH:
7
Temp.:
25 °C
Initial conc. measured:
ca. 24.8 - ca. 25 mg/L
Duration:
26 h
pH:
7
Temp.:
30 °C
Initial conc. measured:
ca. 22.8 - ca. 25.7 mg/L
Duration:
26 h
pH:
9
Temp.:
20 °C
Initial conc. measured:
ca. 23.6 - ca. 25 mg/L

Results and discussion

Dissipation DT50 of parent compoundopen allclose all
pH:
4
Temp.:
25 °C
DT50:
9.2 h
pH:
7
Temp.:
25 °C
DT50:
24.9 h
pH:
9
Temp.:
25 °C
DT50:
24.5 h

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
see results