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EC number: 284-943-5 | CAS number: 84989-53-7
Water solubility
Administrative data
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2016-12-19 to 2016-12-27
- 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)
- Version / remarks:
- 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- Version / remarks:
- 2008
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- flask method
Test material
- Reference substance name:
- Bis(N,N-dimethylpropane-1,3-diamine-N)[29H,31H-phthalocyaninato(2-)-N29,N30,N31,N32]cobalt(1+) chloride
- EC Number:
- 284-943-5
- EC Name:
- Bis(N,N-dimethylpropane-1,3-diamine-N)[29H,31H-phthalocyaninato(2-)-N29,N30,N31,N32]cobalt(1+) chloride
- Cas Number:
- 84989-53-7
- Molecular formula:
- C42H44CoN12.Cl
- IUPAC Name:
- hydroxylamine
- Test material form:
- solid: particulate/powder
Constituent 1
Results and discussion
Water solubility
- Key result
- Water solubility:
- 65.5 mg/L
- Conc. based on:
- test mat.
- Temp.:
- 20 °C
- pH:
- 8.97
Any other information on results incl. tables
Preliminary Test:
Only when 10.5 mg was diluted in 500 mL and shaken for 17h, the substance dissolved completely. The approximate solubility is estimated at 20 -25 mg/L.
Main Test:
Results of the water solubility of test item:
Time of shaking [h] |
Analyte concentration Flask 1 |
Analyte concentration Flask 2 |
mean concentration [g/L] |
pH value |
24 |
66.3 |
60.4 |
63.4 |
8.90 |
48 |
65.1 |
59.8 |
62.5 |
8.98 |
68 |
74.3 |
67.1 |
70.7 |
9.03 |
|
Mean: |
65.5 |
8.97 |
|
Standard deviation: |
4.5 |
0.07 |
||
Relative standard deviation[%): |
6.9 |
0.8 |
||
The results indicate the required reproducibility (relative standard deviation below 15 %) and no tendency to increasing values, when the shaking time was prolonged.
Applicant's summary and conclusion
- Conclusions:
- The water solubility of the test item in ultra-pure water saturated with carbon dioxide at 20 ± 0.5°C was determined to be 65.5 mg/L (pH 8.97).
- Executive summary:
The solubility of test item was determined in ultra-pure water in equilibrium with atmospheric carbon dioxide at a temperature of 20±0.5 °C according to EC method A.6 (Regulation (EC) No 440/2008) and OECD guideline 105. The shake flask method was used, because the solubility determined in the preliminary test was above 10 mg/L.
The water solubility of the test item was determined to be 65.5 mg/L (pH 8.97). The results indicate the required reproducibility (relative standard deviation below 15 %) and no tendency to increasing values, when the shaking time was prolonged.
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