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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 soil
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study well documented, meets generally accepted scientific principles.

Data source

Reference
Reference Type:
publication
Title:
Critical Review of Rate Constants for Reactions of Hydrated Electrons, Hydrogen Atoms and Hydroxyl Radicals (OH/O-) in Aqueous Solution.
Author:
Buxton, G.V., Greenstock, C.L., Helman, W.P., and Ross, A.B.
Year:
1988
Bibliographic source:
J. Phys. Chem. Ref. Data 17(2), 513ff.

Materials and methods

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

Test material

Constituent 1
Chemical structure
Reference substance name:
Pentane-2,4-dione
EC Number:
204-634-0
EC Name:
Pentane-2,4-dione
Cas Number:
123-54-6
Molecular formula:
C5H8O2
IUPAC Name:
pentane-2,4-dione
Details on test material:
Test type: other: calculated in water
IUCLID4 Test substance: other TS

Study design

Details on test conditions:
Sensitiser (for indirect photolysis): OH
Sensitiser concentration: 6022 molecule/cm³

Results and discussion

% Degradation
% Degr.:
50
Sampling time:
81 d
Transformation products:
not measured

Any other information on results incl. tables

Degradation in % (for indirect photolysis): = 50  after 81 day(s)

Applicant's summary and conclusion