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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
other: model calculation report
Title:
Unnamed
Year:
2011

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
model calculation
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-methylvaleraldehyde
EC Number:
204-605-2
EC Name:
2-methylvaleraldehyde
Cas Number:
123-15-9
Molecular formula:
C6H12O
IUPAC Name:
2-methylpentanal

Study design

Estimation method (if used):
PHOTOCHEMICAL REACTION WITH OH RADICALS
- Concentration of OH radicals: 500000 molecules/cm³
- Degradation rate constant: 28.8765E-12 cm3/molecule-sec
- Temperature for which rate constant was calculated: 25°C
- Computer programme: SRC AOP v1.92

Results and discussion

% Degradation
% Degr.:
50
Sampling time:
13 h

Applicant's summary and conclusion