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EC number: 215-231-4
CAS number: 1314-35-8
to the ECHA Guidance on information requirements and chemical safety
assessment Chapter R.9: Physico-chemical hazards May 2008b, the relative
self-ignition temperature is the minimum temperature at which a certain
volume of a substance will ignite under defined conditions. Tungsten, in
this compound, is in its highest possible oxidation state (VI) and is
incapable of further reaction with oxygen. Therefore, this compound is
not expected to ignite. Furthermore, the high self-ignition values
reported for powders of other tungsten compounds (>300 °C for tungsten
carbide; from HC Starck, 2005, as cited in OECD, 2005) support the
conclusion that self-heating is not a relevant hazard for this compound.
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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