Registration Dossier

Administrative data

Endpoint:
hydrolysis
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
The test substance is a structural analogue of crotonic acid anhydride. The structural elements and the molecular formular are identical.

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
2012
Bibliographic source:
ECHA Database 2018

Materials and methods

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

Test material

Reference
Name:
Unnamed
Type:
Constituent

Results and discussion

Dissipation DT50 of parent compoundopen allclose all
pH:
4
Temp.:
25 °C
Hydrolysis rate constant:
0.737 h-1
DT50:
56.4 min
Type:
not specified
pH:
7
Temp.:
25 °C
Hydrolysis rate constant:
1.63 h-1
DT50:
25.5 min
Type:
not specified
pH:
9
Temp.:
25 °C
Hydrolysis rate constant:
1.82 h-1
DT50:
2.29 min
Type:
not specified

Applicant's summary and conclusion