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EC number: 288-896-1 | CAS number: 85940-08-5 This substance is identified in the Colour Index by Colour Index Constitution Number, C.I. 53015.
Water solubility
Administrative data
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 5 April - 16 May, 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
- Report date:
- 2018
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7840 (Water Solubility)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- flask method
Test material
- Reference substance name:
- Acetamide, N-(2,4-dinitrophenyl)-, reaction products with 1-methyl-2,4-dinitrobenzene and sodium sulfide (Na2(Sx)), leuco derivatives
- EC Number:
- 288-896-1
- EC Name:
- Acetamide, N-(2,4-dinitrophenyl)-, reaction products with 1-methyl-2,4-dinitrobenzene and sodium sulfide (Na2(Sx)), leuco derivatives
- Cas Number:
- 85940-08-5
- Molecular formula:
- not applicable
- IUPAC Name:
- Reaction product of N-(2,4-dinitrophenyl)acetamide with 1-methyl-2,4-dinitrobenzene and polysulfide, leuco derivatives
- Test material form:
- solid: particulate/powder
- Details on test material:
- Test item: Leuco Sulphur Brown 46
Appearance: Brown powder
CAS No: 85940-08-5
Constituent 1
Results and discussion
Water solubility
- Key result
- Water solubility:
- 16.5 mg/L
- Conc. based on:
- test mat.
- Loading of aqueous phase:
- 2 500 mg/L
- Incubation duration:
- >= 24 - <= 72 h
- Temp.:
- 20 °C
- pH:
- >= 7.06 - <= 7.41
Any other information on results incl. tables
Results of the determination of Leuco Sulphur Brown 46 concentrations
Sampling time |
Measured concentration of Leuco Sulphur Brown 46 (mg/L ) |
Measured pH |
|
Test vessels |
Mean with the 95% confidence intervals |
||
After 24h |
17.0 |
17.9 ± 2.8 |
7.06 |
17.7 |
7.17 |
||
19.1 |
7.17 |
||
After 48h |
16.6 |
16.0 ± 1.5 |
7.32 |
15.8 |
7.33 |
||
15.4 |
7.37 |
||
Results of the determination of Leuco Sulphur Brown 46 concentrations (continued)
Sampling time |
Measured concentration of Leuco Sulphur Brown 46 (mg/L ) |
Measured pH |
|
Test vessels |
Mean |
||
After 72h |
16.1 |
15.7 ± 1.3 |
7.41 |
15.1 |
7.44 |
||
15.8 |
7.43 |
||
Solubility ofthe test item (mg/L) |
16.5 ± 0.97 |
16.5 ± 3.0 |
- |
RSD% |
8 |
7 |
- |
Ultra-pure water |
< LOQ |
8.05 |
|
Applicant's summary and conclusion
- Conclusions:
- The water solubility of the test item was determined to be 16.5 ± 3.0 mg/L (95% confidence interval) at 20 °C ± 1 °C using the shake-flask method for the performance.
- Executive summary:
In the course of this study the water solubility of the test item was determined at 20 °C ± 1 °C using the shake-flask method for the performance of the main test. The water solubility was determined to be 16.5 ± 3.0 mg/L (95% confidence interval).
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