Registration Dossier
Registration Dossier
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EC number: 224-330-1 | CAS number: 4314-14-1
Water solubility
Administrative data
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2014
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: well performed study according to guideline developed and agreed upon by the ETAD in january 2005 for colorants with very low solubility
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 008
- Report date:
- 2008
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: method developed by ETAD
- GLP compliance:
- no
Test material
- Reference substance name:
- 2,4-dihydro-5-methyl-2-phenyl-4-(phenylazo)-3H-pyrazol-3-one
- EC Number:
- 224-330-1
- Cas Number:
- 4314-14-1
- Molecular formula:
- C16H14N4O
- IUPAC Name:
- 2,4-dihydro-5-methyl-2-phenyl-4-(phenylazo)-3H-pyrazol-3-one
- Details on test material:
- purity > 99,7%
Constituent 1
Results and discussion
Water solubility
- Water solubility:
- 8 µg/L
- Temp.:
- 23 °C
- pH:
- ca. 7
- Details on results:
- Three measurements were performed with the method described above
Individual results:
Absorption Water Sol
(d = 10 cm) μg/l
a1 0.00679 7
a2 0.00767 8
a3 0.00814 9
Average 8
Applicant's summary and conclusion
- Conclusions:
- Interpretation of results (migrated information): insoluble (< 0.1 mg/L)
The water solubility ot the substance was determined as 8 µg/L at 23°C. - Executive summary:
The water solubility of the substance was determined 3 times according to the method developed by the ETAD at 23°C. The average of the results was 8 µg/L.
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