Registration Dossier
Registration Dossier
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EC number: 278-770-4 | CAS number: 77804-81-0
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:
- guideline study with acceptable restrictions
- Remarks:
- test procedure simiolar to OECD 105
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 008
- Report date:
- 2008
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 water 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:
- 2,2'-[ethylenebis(oxyphenyl-2,1-eneazo)]bis[N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxobutyramide
- EC Number:
- 278-770-4
- EC Name:
- 2,2'-[ethylenebis(oxyphenyl-2,1-eneazo)]bis[N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxobutyramide
- Cas Number:
- 77804-81-0
- Molecular formula:
- C36H32N10O8
- IUPAC Name:
- 2,2'-[Ethylenebis(oxyphenyl-2,1-eneazo)]bis[N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxobutyramide
- Test material form:
- solid: nanoform
Constituent 1
Results and discussion
Water solubility
- Water solubility:
- 17 µg/L
- Temp.:
- 23 °C
- pH:
- ca. 7
- Remarks on result:
- other: The determination of water solubility was conducted at ambient temperature (23-24 °C)
- Details on results:
- The value above represents the mean from three determinations (sigma=6). See below for indidividual results.
Any other information on results incl. tables
Individual results:
|
Absorption (d = 10 cm) |
µg/L |
a1 |
0.00643 |
11.1 |
a2 |
0.01037 |
18.2 |
a3 |
0.01260 |
22.2 |
Applicant's summary and conclusion
- Conclusions:
- the test substance is practically insoluble in water (< 0.1 mg/L)
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