Registration Dossier

Administrative data

Endpoint:
distribution modelling
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification

Data source

Reference
Reference Type:
other: Mackay calculation
Title:
Unnamed
Year:
2008
Report Date:
2008

Materials and methods

Model:
calculation according to Mackay, Level I
Calculation programme:
v3.00
Release year:
2 004
Media:
air - biota - sediment(s) - soil - water

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Name of test material (as cited in study report): Diphenyl(2,4,6-trimethylbezoyl-phosphine oxide

Study design

Test substance input data:
- Molar mass: 348.38 g/mol [1]
- Data temperature: 25 °C
- Water solubility: 3.125 g/m³ [2]
- Vapour pressure: 0.000003045 Pa [3]
- log Pow: 3.8723 [1]
- Melting point: 88.5 °C [1]

Sources:
[1]: BASF SE (2008) Department of Product Safety, data assessment, unpublished calculation, SRC EPIWIN v3.20, 21 Aug 2008.
[2]: BASF AG (2002) Sublimationsdampfdruck 2,4,6-Trimethylbenzoyl-diphenyl-phosphinoxid.Report No. 2002.043. 14 Mar 2008
[3]: Roempp (2008) Photoinitiatioren. Roempp online, Version 3.0. 16 Mai 2008

Results and discussion

Percent distribution in media

Air (%):
0.01
Water (%):
45.65
Soil (%):
26.9
Sediment (%):
27.2
Susp. sediment (%):
0.17
Biota (%):
0.02
Aerosol (%):
0.05

Applicant's summary and conclusion