Registration Dossier
Registration Dossier
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EC number: 234-733-4 | CAS number: 12028-48-7
Oxidising properties
Administrative data
Link to relevant study record(s)
- Endpoint:
- oxidising solids
- Data waiving:
- other justification
- Justification for data waiving:
- other:
- Justification for type of information:
- Data waiving
Reason: Other justification
Justification: According to the Guidance on information requirements and chemical safety assessment Chapter R.9: Physico-chemical hazards May 2008, “[s]ubstances with oxidising properties can give rise to a highly exothermic reaction in contact with other substances, in particular with flammable substances”. As such, compounds with oxidising properties may cause irritation or corrosion. Tungsten, in this compound, is in its highest possible oxidation state (VI) and is thermodynamically stable. Additionally, this substance has not been found to be irritating or corrosive (see section 7.3 of dossier). Therefore, the risk of this substance causing rapid oxidation, resulting in large heat releases or corrosive properties is not a relevant hazard.
Reference
Description of key information
Data waiving
Reason: Other justification
Justification: According to the Guidance on information requirements and chemical safety assessment Chapter R.9: Physico-chemical hazards May 2008, “[s]ubstances with oxidising properties can give rise to a highly exothermic reaction in contact with other substances, in particular with flammable substances”. As such, compounds with oxidising properties may cause irritation or corrosion. Tungsten, in this compound, is in its highest possible oxidation state (VI) and is thermodynamically stable. Additionally, this substance has not been found to be irritating or corrosive (see section 7.3 of dossier). Therefore, the risk of this substance causing rapid oxidation, resulting in large heat releases or corrosive properties is not a relevant hazard.
Key value for chemical safety assessment
- Oxidising properties:
- non oxidising
Additional information
Justification for classification or non-classification
Ammonium metatungstate is not classifiable as an oxidiser because is a solid substance and does not have chemical groups which are associated with oxidising properties.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
