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Registration Dossier
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EC number: 265-996-3 | CAS number: 65996-65-8 The product of agglomerating iron ore fines, concentrates, iron sinter, and other iron-bearing materials. Includes pellets, nodules and briquettes.
Oxidising properties
Administrative data
Link to relevant study record(s)
Description of key information
The main chemical consituent of iron pellets is di-iron trioxide (Fe2O3), which contains iron in its maximum (+3) oxidation state. Similarly, all of the other elements present (Si, Ca, Mg, Al etc) in iron pellets are also in their maximum oxidation states in the form of complex oxide lattices such as silicates and aluminosilicates. All of these oxidic substances are stable under normal conditions of temperature and pressure and are commonly found in nature in these forms. They are only reduced (i.e., exhibit oxidising properties) by powerful reducing agents at high temperatures in excess of 500°C. Testing is therefore unjustified.
Key value for chemical safety assessment
- Oxidising properties:
- no
Additional information
The main component of iron pellets is di-iron trioxide, which is found commonly in nature as iron ore deposits. It is stable under normal conditions of temperature and pressure and is only reduced (i.e. becomes oxidising) by strong reducing agents such as hydrogen and carbon at temperatures in excess of 500°C. Testing is therefore not necessary.
Justification for classification or non-classification
The main chemical consituent of iron pellets is di-iron trioxide (Fe2O3), which contains iron in its maximum (+3) oxidation state. Similarly, all of the other elements present (Si, Ca, Mg, Al etc) in iron pellets are also in their maximum oxidation states in the form of complex oxide lattices such as silicates and aluminosilicates. All of these oxidic substances are stable under normal conditions of temperature and pressure and are commonly found in nature in these forms. They are only reduced (i.e., exhibit oxidising properties) by powerful reducing agents at high temperatures in excess of 500°C.
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