Registration Dossier

Administrative data

Endpoint:
distribution modelling
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Study period:
2010
Reliability:
other: Klimisch grading system not considered to be applicable

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Model:
calculation according to Mackay, Level I
Calculation programme:
Version 3.00
Release year:
2 004
Media:
air - biota - sediment(s) - soil - water

Test material

Constituent 1
Chemical structure
Reference substance name:
Dimethyl carbonate
EC Number:
210-478-4
EC Name:
Dimethyl carbonate
Cas Number:
616-38-6
Molecular formula:
C3H6O3
IUPAC Name:
dimethyl carbonate
Details on test material:
- Name of test material : Dimethyl Carbonate

Study design

Test substance input data:
- Molar mass: 90 g/mol
- Data temperature: 25°C
- Water solubility: 114700 g/m3
- Vapour pressure: 7570.4 Pa
- log Pow: 0.354
- Mineral matter - water partition coefficient
- Melting point: 4.65°C
- Reaction half-life estimates for
- Air:
- Water:
- Soil:
- Sediment:
- Suspended sediment:
- Aerosols:
- Aquatic biota:

Results and discussion

Percent distribution in media

Air (%):
54.46
Water (%):
45.45
Soil (%):
0.091
Sediment (%):
0.002
Susp. sediment (%):
0
Biota (%):
0
Aerosol (%):
0

Any other information on results incl. tables

Fugacity: 1.50E-05 Pa

Emissions: 1111111 mol 100000 kg

  Z Value VZ Concentration Concentration Concentration Amount Amount Amount
  mol/m³.Pa mol/Pa mol/m³ g/m³ µg/g of solids mol kg %
Air 4.03E-04 4.03E+10 6.05E-09 5.45E-07 4.59E-04 605079.7 54457.17 54.45717
 Aerosol 0.3197331 639.4662 4.80E-06 4.32E-04 2.16E-04 9.59E-03 8.63E-04 8.63E-07
Water  0.1683457 3.37E+10 2.52E-06 2.27E-04 2.27E-04 504997.8 45449.8 45.4498
 Suspended Particles 4.68E-02 46785.06 7.02E-07 6.32E-05 4.21E-05 0.7017212 6.32E-02 6.32E-05
 Fish 1.90E-02 3803.664 2.85E-07 2.57E-05 2.57E-05 0.0570505 5.13E-03 5.13E-06
Soil 7.49E-03 6.74E+07 1.12E-07 1.01E-05 4.21E-06 1010.479 90.94307 9.09E-02
Sediment 1.50E-02 1497122 2.25E-07 2.02E-05 8.42E-06 22.45508 2.020957 2.02E-03
                 
Total   7.41E+10       1111111 100000 100

Applicant's summary and conclusion

Conclusions:
The Mackay level 1 model indicates that dimethyl carbonate is distributed into two compartments, air (54.46%) and water (45.45%). Negligible amounts partition into soil, sediment and biota.