Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
phototransformation in air
Type of information:
(Q)SAR
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: scientifically acceptable method
Justification for type of information:
QSAR prediction: migrated from IUCLID 5.6

Data source

Reference
Reference Type:
other: model calculation report
Title:
Unnamed
Year:
2009

Materials and methods

Test guideline
Qualifier:
no guideline followed
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
(2R)-2-(2-chlorophenyl)-2-hydroxyethanoic acid
EC Number:
444-040-0
EC Name:
(2R)-2-(2-chlorophenyl)-2-hydroxyethanoic acid
Cas Number:
52950-18-2
Molecular formula:
Hill formula: C8H7ClO3 CAS formula: C8H7CLO3
IUPAC Name:
(2R)-2-(2-chlorophenyl)-2-hydroxyacetic acid

Study design

Estimation method (if used):
PHOTOCHEMICAL REACTION WITH OH RADICALS
- Concentration of OH radicals: 500000 molecules/cm³
- Degradation rate constant: 7.4031E-12 cm3/molecule-sec
- Temperature for which rate constant was calculated: 25°C
- Computer programme: SRC AOP v1.92

Results and discussion

Dissipation half-life of parent compound
DT50:
52 h
Transformation products:
not measured

Applicant's summary and conclusion