Registration Dossier
Registration Dossier
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EC number: 204-427-5 | CAS number: 120-80-9
Distribution modelling
Administrative data
- Endpoint:
- distribution modelling
- Type of information:
- calculation (if not (Q)SAR)
- Remarks:
- estimated by calculation
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Accepted calculation method
Data source
Reference
- Reference Type:
- other: Fugacity-Based Environmental Equilibrium Partitioning Model
- Title:
- The fugacity model level I
- Author:
- Mackay D
- Year:
- 2 001
- Bibliographic source:
- Multimedia Environmental Models: The fugacity Approach 2nd Edition, Lewis Publishers. Boca, Raton, pp: 1-261. [available on line] , URL: http://www.trentu.ca/cemc/
Materials and methods
- Model:
- calculation according to Mackay, Level I
- Release year:
- 2 009
- Media:
- air - biota - sediment(s) - soil - water
Test material
- Reference substance name:
- Pyrocatechol
- EC Number:
- 204-427-5
- EC Name:
- Pyrocatechol
- Cas Number:
- 120-80-9
- Molecular formula:
- C6H6O2
- IUPAC Name:
- pyrocatechol
Constituent 1
Study design
- Test substance input data:
- Log Kow: 0.93 (mean value of Klimisch 2 data)
Water Solubility: 517.5 g/L (mean value of data measured at 20°C)
Vapour Pressure: 5 Pa
Melting point : 105 °C
Molecular Weight: 110.1122
Temperature: 25°C
Results and discussion
Percent distribution in media
- Water (%):
- 99.2
- Soil (%):
- 0.75
- Sediment (%):
- 0.02
- Other distribution results:
- Air: 0.02%
Applicant's summary and conclusion
- Conclusions:
- Ultimate destination of catechol: WATER.
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