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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Phototransformation in air

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Administrative data

Endpoint:
phototransformation in air
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: calculation

Data source

Reference
Reference Type:
other: calculation
Title:
No information
Author:
Umweltbundesamt
Year:
1992

Materials and methods

Principles of method if other than guideline:
Method: other (calculated): Atkinson (1988)
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Chloroacetic acid
EC Number:
201-178-4
EC Name:
Chloroacetic acid
Cas Number:
79-11-8
Molecular formula:
C2H3ClO2
IUPAC Name:
chloroacetic acid

Study design

Details on test conditions:
Sensitiser (for indirect photolysis): OH
Sensitiser concentration: 500000 molecule/cm³

Results and discussion

Dissipation half-life of parent compound
DT50:
58 d
Degradation rate constant
Reaction with:
OH radicals
Rate constant:
0 cm³ molecule-1 s-1

Any other information on results incl. tables

Rate constant (for indirect photolysis): = 0.000000000000278 cm³/(molecule*sec)
Degradation in % (for indirect photolysis): = 50 after 58 day(s)

Applicant's summary and conclusion