Registration Dossier
Registration Dossier
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EC number: 235-462-4 | CAS number: 12236-62-3
Water solubility
Administrative data
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study with acceptable restrictions
- Remarks:
- test procedure similar to OECD 105
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 005
- Report date:
- 2005
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:
- 2-[(4-chloro-2-nitrophenyl)azo]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxobutyramide
- EC Number:
- 235-462-4
- EC Name:
- 2-[(4-chloro-2-nitrophenyl)azo]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxobutyramide
- Cas Number:
- 12236-62-3
- Molecular formula:
- C17H13ClN6O5
- IUPAC Name:
- 2-[(4-chloro-2-nitrophenyl)diazenyl]-3-oxo-N-(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)butanamide
- Test material form:
- solid: bulk
Constituent 1
Results and discussion
Water solubility
- Water solubility:
- 14 µg/L
- Temp.:
- 24 °C
- pH:
- ca. 7
- Remarks on result:
- other: The determination of water solubility was conducted at ambient temperature (24-25 °C)
- Details on results:
- The value above represents the mean from three determinations (sigma=2.65). See below for indidividual results.
Any other information on results incl. tables
Individual results:
|
Absorption (d = 10 cm) |
mg/L |
a1 |
0.003820 |
0.011 |
a2 |
0.005300 |
0.015 |
a3 |
0.005825 |
0.016 |
Applicant's summary and conclusion
- Conclusions:
- the test substance is practically insoluble in water (< 0.1 mg/L)
- Executive summary:
The water solubility was determined by UV-Vis analysis of the dissolved test substance amount in 30 mL water.
The test substance has a water solubility of 14 µg/L at 24 -25°C.
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