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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Distribution modelling

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Administrative data

Endpoint:
distribution modelling
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Accepted calculation method

Data source

Reference
Reference Type:
other: modelled data
Title:
Level III Fugacity Model
Author:
U.S. Environmental Protection Agency
Year:
2008
Bibliographic source:
EPI Suite v4.0

Materials and methods

Model:
calculation according to Mackay, Level III
Calculation programme:
EPI Suite v4.0
Release year:
2 008
Media:
other: Air only

Test material

Constituent 1
Chemical structure
Reference substance name:
Dimethyl ether
EC Number:
204-065-8
EC Name:
Dimethyl ether
Cas Number:
115-10-6
Molecular formula:
C2H6O
IUPAC Name:
dimethyl ether

Study design

Test substance input data:
Vapor Pressure: 3850 mm Hg (user-entered)
Water Solubility: 45600 mg/L (user-entered)
Log Kow: 0.07 (user-entered)
Soil Koc: 7.76 (user-entered)

Results and discussion

Percent distribution in media

Air (%):
99.5
Water (%):
0.43
Soil (%):
0.04
Sediment (%):
0

Any other information on results incl. tables

 

Mass Amount (%)

Half-life (hr)

Emissions (kg/hr)

Air

 99.5

86.1 

1000 

Water

0.431

360

Soil

0.0445

720

Sediment

0.000925

3240

Applicant's summary and conclusion