Registration Dossier

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: Accepted calculation method
Justification for type of information:
QSAR prediction: migrated from IUCLID 5.6

Data source

Reference
Reference Type:
other: model calculation report
Title:
Unnamed
Year:
2007
Report Date:
2007

Materials and methods

Model:
calculation according to Mackay, Level I
Release year:
2 004
Media:
air - biota - sediment(s) - soil - water

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- test substance: N-Methylacetamide

Study design

Test substance input data:
- Molar mass: 73.1 g/mol
- Data temperature: 25°C
- Water solubility: 1.00E+06 mg/L
- Vapour pressure: 58.7 hPa
- log Pow: -1.05
- Melting point: 28°C
Environmental properties:
Model parameters:

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 (%):
0.15
Water (%):
99.9
Soil (%):
0
Sediment (%):
0
Susp. sediment (%):
0
Biota (%):
0
Aerosol (%):
0

Applicant's summary and conclusion

Conclusions:
Over time, the substance will preferentially distribute into the water.