Registration Dossier
Registration Dossier
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EC number: 266-006-2 | CAS number: 65996-73-8 The wetted particulate matter recovered by wet collection techniques, including pollution abatement equipment, for the recovery of materials such as iron sinter dust, blast furnace dust, steelmaking dust, and mill scale.
Water solubility
Administrative data
Link to relevant study record(s)
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 15.3.2010-22.3.2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- flask method
- Key result
- Water solubility:
- 0.93 g/L
- Temp.:
- 20 °C
- pH:
- ca. 12.2
- Conclusions:
- Interpretation of results (migrated information): moderately soluble (100-1000 mg/L)
The water solubility of the test substance, Slimes and Sludges, blast furnace and steelmaking, is 0.93 g/L at the temperature of 20°C. Standard uncertainty is 0.02 g/L. - Executive summary:
Water solubility test was performed for the test substance, Slimes and Sludges, blast furnace and steelmaking. Flask method was used.
Test was performed according to the Method A.6., Water Solubility, Council Regulation (EC) No.440/2008, Published in O.J. L 142, 2008.
The concentration of the substance in the aqueous solution was determined by evaporating a known volume of the saturated solution.
Testing was performed at the temperature of 20°C.
The water solubility of the test substance Slimes and Sludges, blast furnace and steelmaking is 0.93 g/L at the temperature of 20°C. Standard uncertainty is 0.02 g/L.
Reference
Table 1: Determination of test substance solubility in water
| Day | pH of saturated solution | Pipetted volume (mL) | Residue after evaporation | Solubility |
| (g) | (g/L) | |||
| 1st | 12.21 | 50 | 0.04564 | 0.9128 |
| 2nd | 12.26 | 50 | 0.04654 | 0.9308 |
| 3rd | 12.26 | 50 | 0.04730 | 0.9460 |
| Average | 0.9299 | |||
| Standard deviation | 0.0166 | |||
| Relative standard deviation | 1.79% | |||
Description of key information
Water solubility test was performed for the test substance, Slimes and Sludges, blast furnace and steelmaking. Flask method was used. Test was performed according to the Method A.6., Water Solubility, Council Regulation (EC) No.440/2008, Published in O.J. L 142, 2008.
Key value for chemical safety assessment
- Water solubility:
- 0.93 g/L
- at the temperature of:
- 20 °C
Additional information
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