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.
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From 10 March 2010 to 13 April 2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Test performed according to an OECD guideline. GLP compliant.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- other: Differential Scanning Calorimetry (DSC)
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
- Composition of test material, percentage of components:
- Purity test date:
- Lot/batch No.: 314516
- Expiration date of the lot/batch: Not provided
- Storage condition of test material: in darkness at room temperature
Constituent 1
Results and discussion
Melting / freezing pointopen allclose all
- Melting / freezing pt.:
- 227.6 °C
- Atm. press.:
- 97 kPa
- Decomposition:
- no
- Sublimation:
- no
- Melting / freezing pt.:
- 227.8 °C
- Atm. press.:
- 96.4 kPa
- Decomposition:
- no
- Sublimation:
- no
Applicant's summary and conclusion
- Conclusions:
- The mean melting point of the test item was (on 2 assays): 227.7 ± 0.5 °C. The experiment was performed until ca. 300 °C (max. for testing). Although tin content of the sample was < the iron content, the melting point is in the range of the melting point of tin (231.9 °C) rather than in the range of the melting point of iron (1536 °C). It is known that tin tends to substantially decrease the melting point of alloys in which it is present.
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