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
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
