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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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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Reference
Endpoint:
oxidising properties
Data waiving:
other justification
Justification for data waiving:
other:

Description of key information

According to the provisions of EU A.17 method, expert judgement considered calcium dihydroxide as a non-oxidising substance.

Key value for chemical safety assessment

Oxidising properties:
non oxidising

Additional information

According to the provisions of EU A.17 method, expert judgement considered calcium dihydroxide as a non-oxidising substance.

The structure of calcium carbonate was assessed for chemical groups that would indicate oxidising properties and was found to contain no such groups. Therefore, the oxidising properties of calcium carbonate have been predicted negative based on the chemical structure and experience of handling and use. On this basis all grades of calcium dihydroxide may be considered to be non-oxidising, irrespective of the calcium carbonate content.

Justification for classification or non-classification

Calcium dihydroxide and calcium carbonate are both considered to be non-oxidising based on structure, hence all grades of calcium dihydroxide are considered not to require classification.