Registration Dossier
Registration Dossier
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EC number: 254-052-6 | CAS number: 38640-62-9
Distribution modelling
Administrative data
- Endpoint:
- distribution modelling
- Type of information:
- calculation (if not (Q)SAR)
- Remarks:
- Migrated phrase: estimated by calculation
- 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 company data
- Title:
- Unnamed
- Year:
- 2 009
- Report date:
- 2009
Materials and methods
- Model:
- calculation according to Mackay, Level III
- Calculation programme:
- US EPA EPI Suite (v4.00), program component Level III fugacitiy model
- Release year:
- 2 009
- Media:
- other: air - sediment - soil - water
Test material
- Reference substance name:
- Bis(isopropyl)naphthalene
- EC Number:
- 254-052-6
- EC Name:
- Bis(isopropyl)naphthalene
- Cas Number:
- 38640-62-9
- Molecular formula:
- C16H20
- IUPAC Name:
- bis(isopropyl)naphthalene
- Details on test material:
- - Name of test material (as cited in study report): Diisopropylnaphthalene (DIPN); Naphthalene, bis(1-methylethyl)-
Constituent 1
Study design
- Test substance input data:
- - Molar mass: 212.34
- Data temperature: 25°C
- Water solubility: 0.125 mg/L
- Vapour pressure: 0.00225 mm Hg (ca. 0.3 Pas)
- log Pow: 6.08
- Mineral matter - water partition coefficient
- Melting point: -40°C
- Reaction half-life estimates for
- Air: 7.651 hr
- Water: 900 hr
- Soil: 1800 hr
- Sediment: 8100 hr
- Suspended sediment:
- Aerosols:
- Aquatic biota:
Results and discussion
Percent distribution in media
- Air (%):
- 0.45
- Water (%):
- 7.8
- Soil (%):
- 76.7
- Sediment (%):
- 15
Any other information on results incl. tables
Level III Fugacity Model
|
Mass Amount |
Half-Life |
Emissions |
Air |
0.448 |
7.65 |
1000 |
Water |
7.8 |
900 |
1000 |
Soil |
76.7 |
1,800 |
1000 |
Sediment |
15 |
8,100 |
0 |
Persistence Time 1,110 hr
Applicant's summary and conclusion
- Conclusions:
- Emissions of diisopropylnaphthalene will distribute prevalently in soil (76.7%) and to a much lesser degree in sediment (15%) and in water (7.8%). The fraction in air is minimal (0.448%).
The estimated persistence time is 1,110 hr (46 d).
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