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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Oxidising properties

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Administrative data

Link to relevant study record(s)

Description of key information

Due to the chemically reducing conditions during the production process (smelting process), it can be inferred that metals in the slag might not be present in their chemically highest oxidation state. Since the chemically reducing conditions prevent the formation of metals in their highest oxidation (and therefore partially most reactive) state, oxidising properties can therefore be excluded in the case of slags, tin-smelting. 
Metals are expected to be present in the slag in form of mixed oxides. A cross-check with data on oxidising properties of the oxides of the metals which can be found in slags, tin smelting published on ECHA´s website for registered substances showed that none of the metals/metal oxides which can be expected to be present in slags, tin smelting has been identified and classified as an oxidising substance.
Against this background, performance of a study to determine the oxidising properties of slags is considered to be not scientifically justified under Regulation 1907/2006 (REACH).

Key value for chemical safety assessment

Oxidising properties:

Additional information

Justification for classification or non-classification