Registration Dossier
Registration Dossier
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EC number: 263-778-2 | CAS number: 62973-79-9
Partition coefficient
Administrative data
- Endpoint:
- partition coefficient
- Type of information:
- calculation (if not (Q)SAR)
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- other: The described test method is based on regulation (EC) No 440/2008 (test methods pursuant to Regulation (EC) No 1907/2006) section A.6 and OECD guideline 105.
- GLP compliance:
- no
- Type of method:
- flask method
- Partition coefficient type:
- octanol-water
Test material
- Reference substance name:
- Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(diethylamino)-, molybdatesilicate
- EC Number:
- 263-778-2
- EC Name:
- Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(diethylamino)-, molybdatesilicate
- Cas Number:
- 62973-79-9
- Molecular formula:
- (C28H31N2O3)x.2SiO2.(MoO3)y x = 6-10 y = 7-25
- IUPAC Name:
- 9-(2-carboxyphenyl)-6-(diethylamino)-N,N-diethyl-3H-xanthen-3-iminium; silanedione; trioxomolybdenum
- Test material form:
- solid: nanoform
- Details on test material:
- Shape
Shape Category: spheroidal
Shape: spherical
Pure Shape: Yes
Typical Composition: ≤100%
range: >0; ≤100%
Particle size distribution & range
Shape Category: spheroidal
Percentile D10, typical value: 60nm
Percentile D10, range: ≥10; ≤100nm
Percentile D50, typical value: 90nm
Percentile D50, range: ≥60; ≤150nm
Percentile D90, typical value: 120nm
Percentile D90, range: ≥90; ≤200nm
Fraction in size range 1-100nm: ≥50; ≤100%
Crystallinity
structure: Amorphous
Pure structure: Yes
Specific Surface Area
Typical specific surface area: ca. 45m2/g
Range: ≥10; ≤200m2/g
skeletal density: ca. 1,9 g/cm3
Surface Functionalisation/treatment
surface treatment applied no
Constituent 1
- Specific details on test material used for the study:
- Product code:
batch: 280PE / 170903
Results and discussion
Partition coefficient
- Key result
- Type:
- log Pow
- Partition coefficient:
- 1
- Temp.:
- 20 °C
- pH:
- 7
- Remarks on result:
- other:
- Remarks:
- N-octanol <0.1 mg/L and water solubility<0.1mg/L therefore estimate only provided
- Details on results:
- Test item n-octanol solubility is < 0.1mg/L and water solubility is <0.1 mg/L therefore Log P could not be accurately determined, estimate only provided.
Applicant's summary and conclusion
- Conclusions:
- Test item n-octanol solubility is < 0.1 mg/L and water solubility is <0.1 mg/L therefore Log P could not be accurately determined, estimate only provided.
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