2-phenylpropene

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other: unpublished calculation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:

2005

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

Test material information

Constituent 1

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

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.