Registration Dossier
Registration Dossier
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EC number: 235-462-4 | CAS number: 12236-62-3
Solubility in organic solvents / fat solubility
Administrative data
- Endpoint:
- solubility in organic solvents / fat solubility
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
- Remarks:
- Test procedure according to method of Analytical Expert Group ETAD (Ecological and Toxicological Association of Dyes and Organic Pigment Manufacturer)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 005
- Report date:
- 2005
Materials and methods
- Principles of method if other than guideline:
- Determination of n-octanol solubility.
The analytical method for the determination is in agreement with the method that was agreed upon at the Analytical Experts Meeting of ETAD (Basel) on January 12, 2005.
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
Solubility in organic solvents / fat solubility
- Medium:
- n-octanol
- Solubility:
- 86.1 µg/L
- Temp.:
- 24 °C
- Remarks on result:
- other: The determination of octanol solubility was conducted at ambient temperature (24-25 °C).
- Details on results:
- The value of 86.1 µg/L represents the mean of four determinations (sigma=4.2). See below for indidividual results.
Any other information on results incl. tables
Individual results:
|
Extinction |
µg/L |
a1 |
0.028179 |
81.3 |
a2 |
0.029541 |
85.3 |
a3 |
0.029892 |
86.3 |
a4 |
0.031653 | 91.4 |
Applicant's summary and conclusion
- Executive summary:
The n-octanol solubility was determined by UV/Vis spectrometry of the dissolved test substance amount in 30 mL n-octanol. The test substance has an n-octanol solubility of 86.1 µg/L at 24 -25°C.
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