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Diss Factsheets

Administrative data

Endpoint:
distribution modelling
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Estimated value based on accepted model. Critical study for SIDS endpoint. Only study summary reviewed from secondary source.

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
Multimedia Environmental Models
Author:
Mackay, D.
Year:
1991
Bibliographic source:
The Fugacity Approach, pp. 67-183, Lewis Publishers, CRC Press.
Reference Type:
publication
Title:
No information
Author:
Mackay, D. et al.
Year:
1996
Bibliographic source:
Environ. Toxicol. Chem., 15(9):1618-1626.
Reference Type:
publication
Title:
No information
Author:
Mackay, D. et al.
Year:
1996
Bibliographic source:
Environ. Toxicol. Chem., 15(9):1627-1637.
Reference Type:
publication
Title:
No information
Author:
US EPA
Year:
1988
Bibliographic source:
PCGEMS and CLOGP (HSDB/6752).

Materials and methods

Model:
calculation according to Mackay, Level III
Calculation programme:
Syracuse Research Corporation EpiWin Version 3.05
Media:
air - biota - sediment(s) - soil - water

Test material

Constituent 1
Chemical structure
Reference substance name:
2,2-dichloro-1,1,1-trifluoroethane
EC Number:
206-190-3
EC Name:
2,2-dichloro-1,1,1-trifluoroethane
Cas Number:
306-83-2
Molecular formula:
C2HCl2F3
IUPAC Name:
2,2-dichloro-1,1,1-trifluoroethane
Constituent 2
Reference substance name:
Ethane,2,2-dichloro-1,1,1-trifluoro-
IUPAC Name:
Ethane,2,2-dichloro-1,1,1-trifluoro-
Details on test material:
- Name of test material (as cited in study report): Ethane, 2,2-dichloro-1,1,1-trifluoro

Study design

Test substance input data:
Molecular Weight: 152.93
Henry's Law Constant: 0.0256 atm-m3/mole (Exp value)
Vapor Pressure: 706 mm Hg (Exp value)
Log Kow: 2.307
Soil Koc: 83.1 (calc by model)
Environmental properties:
Emissions (1000 kg/hr) to air using EPA model defaults.

Results and discussion

Percent distribution in media

Air (%):
99.8
Water (%):
0.12
Soil (%):
0.04
Sediment (%):
0

Applicant's summary and conclusion

Conclusions:
Distributions: Air: 99.8%, Water: 0.121%, Soil: 0.0426%, Sediment: 6.86E-4%