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Registration Dossier
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EC number: 202-705-0 | CAS number: 98-83-9
Distribution modelling
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:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: generally accepted calculation method
Data source
Reference
- Reference Type:
- other: unpublished calculation
- Title:
- Calculation of the environmental distribution of alpha-methylstyrene according to the fugacity model Mackay level I v. 3.00.
- Author:
- Fh-ITEM (2005)
- Year:
- 2 005
- Bibliographic source:
- Fraunhofer-Institut Toxikologie und Experimentelle Medizin (Hannover, Germany).
Materials and methods
- Model:
- calculation according to Mackay, Level I
- Calculation programme:
- Level I Model v3.00 (September 2004)
- Release year:
- 2 004
- Media:
- air - biota - sediment(s) - soil - water
Test material
- Reference substance name:
- 2-phenylpropene
- EC Number:
- 202-705-0
- EC Name:
- 2-phenylpropene
- Cas Number:
- 98-83-9
- Molecular formula:
- C9H10
- IUPAC Name:
- (prop-1-en-2-yl)benzene
Constituent 1
Study design
- Test substance input data:
- - Molar mass: 118.18 g/mol
- Data temperature: 25°C
- Water solubility: 116 mg/L (116 g/m³)
- Vapour pressure: 253 Pa
- log Pow: 3.48
- Melting point: -23.2°C - Environmental properties:
- Environmental parameters
Volume (m³) Density (kg/m³) Organic Carbon (g/G) Fish Lipid (g/g)
Air 6 x 10E9 1.19 - -
Water 7 x 10E6 1000 - -
Suspended 35 1500 0.04 -
particles
Fish 7 1000 - 0.048
Soil 45000 1500 0.02 -
Sediment 21000 1500 0.04 -
Results and discussion
Percent distribution in media
- Air (%):
- 98.4
- Water (%):
- 1.1
- Soil (%):
- 0.26
- Sediment (%):
- 0.25
- Susp. sediment (%):
- 0
- Biota (%):
- 0
- Aerosol (%):
- 0
Any other information on results incl. tables
The environmental distribution of alpha-methylstyrene was calculated using the fugacity model Mackay Level I v3.00. The main target compartment of the distribution is air (98.4%) followed by water (1.1%). All other compartments are negligible.
Applicant's summary and conclusion
- Conclusions:
- The environmental distribution of alpha-methylstyrene was calculated using the fugacity model Mackay Level I v3.00. The main target compartment of the distribution is air (98.4%) followed by water (1.1%).
- Executive summary:
The environmental distribution of alpha-methylstyrene was calculated using the fugacity model Mackay Level I v3.00. The main target compartment of the distribution is air (98.4%) followed by water (1.1%). All other compartments are negligible.
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