Registration Dossier
Registration Dossier
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EC number: 283-928-0 | CAS number: 84776-04-5 Substance resulting from the smelting of tin-containing materials obtained from primary and secondary sources and including recycled plant intermediates. Composed primarily of iron and tin and may contain other residual non-ferrous metals and their compounds.
Water solubility
Administrative data
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Method OECD 29: Transformation / Dissolution of Metals and Metal Compounds in Aqueous media
- Principles of method if other than guideline:
- The analytical method associated with this test will based on ICP-MS and will be used for the determination of the total concentration of tin (Sn), lead (Pb) and other elements in the test medium.
- GLP compliance:
- yes
- Type of method:
- other: not detailed
Test material
- Reference substance name:
- Tin ores, melting residues, hardhead
- EC Number:
- 283-928-0
- EC Name:
- Tin ores, melting residues, hardhead
- Cas Number:
- 84776-04-5
- Molecular formula:
- Not applicable
- IUPAC Name:
- Tin ores, melting residues, hardhead
- Details on test material:
- - Name of test material (as cited in study report): MC_BR_HARDHEAD 1002D
- Substance type: UVCB substance
- Physical state: solid
- Expiration date of the lot/batch: Not provided
- Storage condition of test material: in darkness at room temperature
Constituent 1
Results and discussion
Water solubilityopen allclose all
- Water solubility:
- < 0.1 µg/L
- pH:
- ca. 6
- Remarks on result:
- other: Value representing the concentration of Sn in the test medium after 96 hours. Test duration: 7 days; Concentration of test sample: 1 mg/L load
- Water solubility:
- < 0.1 µg/L
- pH:
- ca. 6
- Remarks on result:
- other: Value representing the concentration of Sn in the test medium after 96 hours. Test duration: 7 days; Concentration of test sample: 10 mg/L load
- Water solubility:
- > 0.2 - < 0.3 µg/L
- pH:
- ca. 6
- Remarks on result:
- other: Value representing the concentration of Sn in the test medium; test solution between 96 and 168 hours. Test duration: 7 days; Concentration of test sample: 100 mg/L load
- Details on results:
- The total concentration of many elements was detected after 24, 96 and 168 hours at concentrations 1, 10 and 100 mg/L of test item.
Aluminium and Iron were not detectable after 24, 96 and 168 hours at the 3 concentrations.
As for Tin, it was only detectable after 96 hours at 1 and 10 mg/L load and between 24 and 168 hours at 100 mg/L load qith a concentration less than 0.3 mg/L.
Any other information on results incl. tables
Table 1: 7 days test; 1 mg/L load
Sample type |
Aluminium (AL) µg/L |
Iron (Fe) µg/L |
Lead (Pb) µg/L |
Copper (Cu) µg/L |
Tin (Sn) µg/L |
Test solution after 24 hours |
n.d. |
n.d. |
0.3 |
n.d. |
n.d. |
Test solution after 96 hours |
n.d. |
n.d. |
0.3 |
0.1 |
0.1 |
Test solution after 168 hours |
n.d. |
n.d. |
0.3 |
0.4 |
n.d. |
Table 2: 7 days test; 10 mg/L load
Sample type |
Aluminium (AL) µg/L |
Iron (Fe) µg/L |
Lead (Pb) µg/L |
Copper (Cu) µg/L |
Tin (Sn) µg/L |
Test solution after 24 hours |
n.d. |
n.d. |
0.6 |
0.3 |
n.d. |
Test solution after 96 hours |
n.d. |
n.d. |
0.3 |
0.6 |
0.1 |
Test solution after 168 hours |
n.d. |
n.d. |
0.3 |
2 |
n.d. |
Table 3: 7 days test; 100 mg/L load
Sample type |
Aluminium (AL) µg/L |
Iron (Fe) µg/L |
Lead (Pb) µg/L |
Copper (Cu) µg/L |
Tin (Sn) µg/L |
Test solution after 24 hours |
n.d. |
n.d. |
0.1 |
n.d. |
0.2 |
Test solution after 96 hours |
n.d. |
n.d. |
n.d. |
0.4 |
0.3 |
Test solution after 168 hours |
n.d. |
n.d. |
n.d. |
2 |
0.2 |
Applicant's summary and conclusion
- Conclusions:
- Interpretation of results (migrated information): insoluble (< 0.1 mg/L)
The test item was found higly insoluble in water as the total concentration of Sn and other elements is < 0.1 mg/L.
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