Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 215-231-4
CAS number: 1314-35-8
Justification: According to the ECHA Guidance on
information requirements and chemical safety assessment Chapter R.7a.:
Endpoint specific guidance May 2008, when an inorganic element is in its
highest possible oxidation state is incapable of further reaction with
oxygen and can thus be designated as non-flammable. The highest
oxidation state of tungsten is VI and the oxidation state of tungsten in
this compound is VI. Thus, the substance can be considered non-flammable
in tungsten trioxide
highest possible oxidation state and
incapable of further reaction with oxygen.
Thus, tungsten trioxide
can be considered non-flammable and non-pyrophoric.
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.
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