Registration Dossier
Registration Dossier
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EC number: 215-960-8 | CAS number: 1461-25-2
Distribution modelling
Administrative data
- Endpoint:
- distribution modelling
- Adequacy of study:
- supporting study
- Study period:
- not reported
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- results derived from a valid (Q)SAR model, but not (completely) falling into its applicability domain, and documentation / justification is limited
- Remarks:
- Value(s) derived from preferred measured data, using calculation method/software. Current versions of EPIWIN, developed by Syracuse Research Corporation, have not been validated for estimating endpoints that contain metals in their molecular structure; therefore, estimated values derived from the EPIWIN models should be used with caution.
Data source
Reference
- Reference Type:
- other: Estimation software
- Title:
- Unnamed
- Year:
- 2 000
Materials and methods
- Model:
- calculation according to Mackay, Level III
- Calculation programme:
- Method: other: (calculated) EPIWIN v3.12
- Media:
- other: air, water, soil, sediment
Test material
- Reference substance name:
- Tetrabutyltin
- EC Number:
- 215-960-8
- EC Name:
- Tetrabutyltin
- Cas Number:
- 1461-25-2
- Molecular formula:
- C16H36Sn
- IUPAC Name:
- tetrabutylstannane
- Details on test material:
- Tetrabutyltin [CAS No. 1461-25-2]
Constituent 1
Results and discussion
Percent distribution in media
- Air (%):
- 0.96
- Water (%):
- 16.8
- Soil (%):
- 68.4
- Sediment (%):
- 13.9
- Other distribution results:
- Soil % (Fugacity model level I/II): 68.4
Any other information on results incl. tables
Air: half-life = 4.51 hr, emissions = 1000 kg/hrW
ater: half-life = 208 hr, emissions = 1000 kg/hr
Soil: half-life = 416 hr, emissions = 1000 kg/hr
Sediment: half-life = 1870 hr, emissions = 0 kg/hr
Overall Persistence time = 287 hr.
USEPA. 2000 (EPIWIN Version 3.12)
Default values were assumed for environmental compartment descriptions, dimensions, and properties, advective and dispersive properties.
Chemical physical properties (at 25 deg. C) used as model input parameters were: Molecular weight = 347.18 g/mol; Vapor pressure = 0.00195 mm Hg; log Kow = 5.07; and Henry's law constant = 0.00924 atm-m3/mol.
Half-lives were calculated by the model based on the properties of the test substance.
Applicant's summary and conclusion
- Conclusions:
- Air: half life = 4.51 hr, emissions = 1000 kg/hr
Water: half life = 208 hr, emissions = 1000 kg/hr
Soil: half life = 416 hr, emissions = 1000 kg/hr
Sediment: half life = 1870 hr, emissions = 0 kg/hr - Executive summary:
USEPA. 2000 (EPIWIN Version 3.12)
Default values were assumed for environmental compartment descriptions, dimensions, and properties, advective and dispersive properties.
Chemical physical properties (at 25 deg. C) used as model input parameters were: Molecular weight = 347.18 g/mol; Vapor pressure = 0.00195 mm Hg; log Kow = 5.07; and Henry's law constant = 0.00924 atm-m3/mol.
Half-lives were calculated by the model based on the properties of the test substance.
Air: half-life = 4.51 hr, emissions = 1000 kg/hr
Water: half-life = 208 hr, emissions = 1000 kg/hr
Soil: half-life = 416 hr, emissions = 1000 kg/hr
Sediment: half-life = 1870 hr, emissions = 0 kg/hr
Overall Persistence time = 287 hr
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