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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
other: EPIWIN calculation
Title:
Unnamed
Year:
2013
Report date:
2013

Materials and methods

Principles of method if other than guideline:
SRC AOP v1.92
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-methylhydroquinone
EC Number:
202-443-7
EC Name:
2-methylhydroquinone
Cas Number:
95-71-6
Molecular formula:
C7H8O2
IUPAC Name:
2-methylbenzene-1,4-diol
Details on test material:
- Name of test substance (as cited in study report): 1,4-Benzenediol, 2-methyl-

Study design

Details on test conditions:
- Sensitizer (for indirect photolysis): OH
- OH rate constant: 60.3123E-12 cm3/molecule-sec
- Sensitizer concentration: 0.5E6 OH/cm³
- Temperature: 25°C

Results and discussion

Dissipation half-life of parent compound
DT50:
6.4 h

Applicant's summary and conclusion