Registration Dossier
Registration Dossier
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EC number: 213-879-2 | CAS number: 1047-16-1
Water solubility
Administrative data
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2006
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Remarks:
- test procedure similar to OECD 105
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 006
- Report date:
- 2006
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- Deviations:
- yes
- Remarks:
- modified taking into account the very low solubility of the test substance
- Principles of method if other than guideline:
- The method for the determination and analytical investigation is according to the method that was agreed upon at the "Analytical Experts Meeting" of ETAD (Basel) on January 12, 2005
- Type of method:
- flask method
Test material
- Reference substance name:
- 5,12-dihydroquino[2,3-b]acridine-7,14-dione
- EC Number:
- 213-879-2
- EC Name:
- 5,12-dihydroquino[2,3-b]acridine-7,14-dione
- Cas Number:
- 1047-16-1
- Molecular formula:
- C20H12N2O2
- IUPAC Name:
- 5,7,12,14-tetrahydro-5,12-diazapentacene-7,14-dione
- Test material form:
- solid: nanoform
Constituent 1
Results and discussion
Water solubility
- Water solubility:
- 10.3 µg/L
- Temp.:
- 24 °C
- pH:
- ca. 7
- Details on results:
- The value given refers to room temperature (24-25 °C, see above) and represents the mean from 3 determinations (sigma = 3.0). Individual values were: 6.8, 12.2 and 11.8 µg/L.
Applicant's summary and conclusion
- Conclusions:
- The test substance is practically insoluble in water (< 0.1 mg/L)
- Executive summary:
The water solubility of the test substance C.I. Pigment Violet 19 was determined. The water solubility at 24 -25 °C was 10.3 µg/L
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