Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

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

Constituent 1
Chemical structure
Reference substance name:
N-methylacetamide
EC Number:
201-182-6
EC Name:
N-methylacetamide
Cas Number:
79-16-3
Molecular formula:
C3H7NO
IUPAC Name:
N-methylacetamide
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.