Registration Dossier
Registration Dossier
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EC number: 201-873-2 | CAS number: 88-99-3
Distribution modelling
Administrative data
- Endpoint:
- distribution modelling
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- accepted calculation method
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 004
- Report date:
- 2004
Materials and methods
- Model:
- calculation according to Mackay, Level I
- Calculation programme:
- Fugacity-Based Environmental Equilibrium Partitioning Model; Environmetal Modelling Centre; Trent University Peterborough, Ontario, Canada. Version 2.11 (1999).
- Release year:
- 1 999
- Media:
- other: air - biota - sediment(s) - soil - water - aerosol
Test material
- Reference substance name:
- Phthalic acid
- EC Number:
- 201-873-2
- EC Name:
- Phthalic acid
- Cas Number:
- 88-99-3
- Molecular formula:
- C8H6O4
- IUPAC Name:
- benzene-1,2-dicarboxylic acid
- Details on test material:
- relate to the pure substance
Constituent 1
Results and discussion
Percent distribution in media
- Air (%):
- 0.001
- Water (%):
- 99.91
- Soil (%):
- 0.04
- Sediment (%):
- 0.04
- Susp. sediment (%):
- 0.001
- Biota (%):
- 0.001
- Aerosol (%):
- 0.001
Any other information on results incl. tables
In the model phthalic acid is treated as a type 1 chemical, i.e. the chemical partitions into all environmental media. Estimation is carried at an environmental temperature of 25 °C. RS-Freetext:
Based on the model calculations (Mackay level I, v 2.11) the target compartment of the environmental distribution of phthalic acid is the hydrosphere.
Water: 99.91 %
Air: <0.001 %
Sediment: 0.043 %
Soil: 0.042 %
Susp. Sed.: <0.001 %
Aerosol: <0.001 %
Aquatic Biota: <0.001 %
Applicant's summary and conclusion
- Executive summary:
The distribution of phthalic acid in a "unit world" was calculated according to the Mackay fugacity model level I (Bayer Industry Services, 2004) based on the physico-chemical properties. The main target compartment for phthalic acid is water with 99.91 %, followed by soil and sediment with 0.042 and 0.043%, respectively.
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