Registration Dossier
Registration Dossier
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EC number: 266-007-8 | CAS number: 65996-74-9 The oxidized surface of steel produced during reheating, conditioning, hot rolling, and hot forming operations. This substance is usually removed by process waters used for descaling, roll and material cooling, and other purposes. It is subsequently recovered by gravity separation techniques. Composed primarily of high-purity iron oxides. May contain varying amounts of other oxides, elements, and trace compounds.
Water solubility
Administrative data
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: IUCLID 4 data
Data source
Reference
- Reference Type:
- other: IUCLID 4
- Title:
- Water solubility
- Author:
- IUCLID 4
- Year:
- 2 000
- Bibliographic source:
- IUCLID 4
- Report date:
- 2000
Materials and methods
Test guideline
- Qualifier:
- no guideline available
- Principles of method if other than guideline:
- Information on methods followed is not reported.
- GLP compliance:
- no
Test material
- Reference substance name:
- Mill scale (ferrous metal)
- EC Number:
- 266-007-8
- EC Name:
- Mill scale (ferrous metal)
- Cas Number:
- 65996-74-9
- Molecular formula:
- Not available (see remarks field below)
- IUPAC Name:
- Mill scale (ferrous metal)
- Details on test material:
- not reported
Constituent 1
Results and discussion
Water solubility
- Water solubility:
- ca. 0
- Remarks on result:
- other: The only information reported is solubility=0
Applicant's summary and conclusion
- Conclusions:
- Interpretation of results (migrated information): insoluble (< 0.1 mg/L)
Mill scale solubility is close to 0. Mill scale is primary composed of high-purity iron oxides (> 70%). The water solubility result confirm many observations run at industrial levels (as widely reported in the safety data sheet for the specific mill scale) and the results obtained on iron oxides, which solubility is usually reported at <1microg/L.
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