Registration Dossier

Administrative data

Endpoint:
phototransformation in air
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: Accepted calculation method.

Data source

Reference
Reference Type:
publication
Title:
ACETYLACETONE:
Author:
HSDB
Year:
2000
Bibliographic source:
HAZARDOUS SUBSTANCES DATA BANK (HSDB) search

Materials and methods

Principles of method if other than guideline:
Method: other (calculated): according to Atkinson
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

Study design

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

Results and discussion

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

Any other information on results incl. tables

Rate constant (for indirect photolysis): = 0.00000000000115 cm³/(molecule*sec)
Degradation in % (for indirect photolysis): = 50  after 14 day(s)

Applicant's summary and conclusion