Registration Dossier
Registration Dossier
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EC number: 200-664-3 | CAS number: 67-68-5
Distribution modelling
Administrative data
- Endpoint:
- distribution modelling
- Type of information:
- (Q)SAR
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: 2f: Accepted calculation method
- Justification for type of information:
- QSAR prediction: migrated from IUCLID 5.6
Data source
Reference
- Reference Type:
- other: modeling
- Title:
- Level III Fugacity model predictions from EPIWIN v 3.10; PC-Computer software developed by EPA's Office of Pollution Prevention Toxics and Syracuse Research Corporation (SRC)
- Author:
- U.S. EPA (U.S. Environmental Protection Agency)
- Year:
- 2 007
Materials and methods
- Model:
- calculation according to Mackay, Level III
- Release year:
- 2 007
- Media:
- air - biota - sediment(s) - soil - water
Test material
- Reference substance name:
- Dimethyl sulfoxide
- EC Number:
- 200-664-3
- EC Name:
- Dimethyl sulfoxide
- Cas Number:
- 67-68-5
- Molecular formula:
- C2H6OS
- IUPAC Name:
- dimethyl sulfoxide
Constituent 1
Study design
- Test substance input data:
- Henry's LC: 8.6e-7 atm-m3/mole
Vapour Press: 0.42 mm Hg
Log Kow: -1.35 (Kowwin program) Soil Koc: 0.15 (Gerstl' equation)
Half-Lives (hr), (based upon Biowin (Ultimate) and Aopwin)
Air: 4.14
Water: 360
Soil: 720
Sediment: 3240
Biowin estimate: 3.027 (weeks)
Results and discussion
Percent distribution in media
- Air (%):
- 0.59
- Water (%):
- 48.1
- Soil (%):
- 51.3
- Sediment (%):
- 0.09
- Other distribution results:
- Half-Lives (hr), (based upon Biowin (Ultimate) and Aopwin):
Air: 4.14
Water: 360
Soil: 360
Sediment: 1440
Biowin estimate: 3.027 (weeks)
Any other information on results incl. tables
Henry's LC: 1.51e-9 atm-m3/mole (Henry database)
Vapour Press: 0.622 mm Hg (Mpbpwin program)
Log Kow: -1.35 (Kowwin program)
Soil Koc: 0.0183 (calc by model)
* Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.0458 4.14 1000
Water 45.9 360 1000
Soil 53.9 360 1000
Sediment 0.0766 1.44e+003 0
* Fugacity Reaction Advection Reaction
(atm) (kg/hr) (kg/hr) (percent)
Air 1.74e-012 93.3 5.57 3.11
Water 5.41e-014 1.08e+003 559 35.9
Soil 2.35e-012 1.26e+003 0 42.1
Sediment 4.5e-014 0.449 0.0186 0.015
Advection
(percent)
Air 0.186
Water 18.6
Soil 0
Sediment 0.000622
*Persistence Time: 406 hr
Reaction Time: 500 hr
Advection Time: 2.15e+003 hr
Percent Reacted: 81.2
Percent Advected: 18.8
*Advection Times (hr):
Air: 100
Water: 1000
Sediment: 5e+00
Applicant's summary and conclusion
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