2-mercaptoethanol

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: Acceptable calculation method

Data source

Reference

Reference Type:

other: calculation

Title:

Unnamed

Year:

2004

Materials and methods

Model:

calculation according to Mackay, Level I

Calculation programme:

Mackay LEVEL i v2.11

Release year:

2 002

Media:

air - biota - sediment(s) - soil - water

Test material

Test material information

Constituent 1

Reference substance name:

2-mercaptoethanol

EC Number:

200-464-6

EC Name:

2-mercaptoethanol

Cas Number:

60-24-2

Molecular formula:

C2H6OS

IUPAC Name:

2-sulfanylethan-1-ol

Study design

Test substance input data:

- Molar mass: 78.13
- Data temperature: 25°C
- Water solubility: 1.0E+06 mg/l
- Vapour pressure: 115 Pa
- log Pow: -0.20
- Melting point: -45.6

Environmental properties:

Volume Density org. C fish lipid
[m3] [kg/m3] [g/g] [g/g]
air 6.00E+09 1.185 - -
water 7.00E+06 1000 - -
soil 45000 1500 0.02 -
sediment 21000 1300 0.05 -
susp. sed. 35 1500 0.167 -
fish 7 1000 - 0.05
aerosol 0.12 1500 - -

Results and discussion

Percent distribution in media

Air (%):

0.31

Water (%):

99.7

Soil (%):

0

Sediment (%):

0

Susp. sediment (%):

0

Biota (%):

0

Aerosol (%):

0