Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
phototransformation in air
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Scientifically acceptable method.

Data source

Reference
Reference Type:
other: EPIWIN calculation
Title:
Unnamed
Year:
2003
Report date:
2003

Materials and methods

Principles of method if other than guideline:
calculated using SRC AOP v1.90
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2,5,6-trimethylcyclohex-2-en-1-one
EC Number:
243-473-0
EC Name:
2,5,6-trimethylcyclohex-2-en-1-one
Cas Number:
20030-30-2
Molecular formula:
C9H14O
IUPAC Name:
2,5,6-trimethylcyclohex-2-en-1-one
Details on test material:
- Name of test material (as cited in study report): 2,3,6-Trimethylcyclohexen-1-one

Study design

Estimation method (if used):
PHOTOCHEMICAL REACTION WITH OH RADICALS
- Concentration of OH radicals: 1500000
- Degradation rate constant: 0.0000000000000912883 cm³/molecule-sec
- Temperature for which rate constant was calculated: 25 °C
- Computer programme: SRC AOP v1.90 27 Jan 2003
- Calculated t 1/2 is based on a 24 h day

Results and discussion

Dissipation half-life of parent compound
DT50:
1.4 h

Applicant's summary and conclusion

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