Registration Dossier
Registration Dossier
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EC number: 254-100-6 | CAS number: 38720-66-0
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:
- other: Acceptable study report which meets basic scientific principles
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 006
- Report date:
- 2006
Materials and methods
- Principles of method if other than guideline:
- Determination of water solubility by UV-vis spectrometry
Test material
- Reference substance name:
- Dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
- EC Number:
- 254-100-6
- EC Name:
- Dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
- Cas Number:
- 38720-66-0
- Molecular formula:
- C20H10Cl2N2O2
- IUPAC Name:
- 1,8-dichloro-5,7,12,14-tetrahydro-5,12-diazapentacene-7,14-dione; 1,9-dichloro-5,7,12,14-tetrahydro-5,12-diazapentacene-7,14-dione; 2,9-dichloro-5,7,12,14-tetrahydro-5,12-diazapentacene-7,14-dione
Constituent 1
Results and discussion
Water solubility
- Water solubility:
- 32.7 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 4 determinations (sigma = 10.2). Individual values were: 22.2, 26.8, 37.0 and 44.8 µg/L.
Applicant's summary and conclusion
- Conclusions:
- Interpretation of results (migrated information): insoluble (< 0.1 mg/L)
The test item is insoluble in water. - Executive summary:
- The water solubility of the test substance Pigment Red 209 was determined using UV-vis spectrometry. The water solubility at 24 -25 °C was 32.7 µg/L.
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