Registration Dossier
Registration Dossier
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EC number: 232-261-3 | CAS number: 7803-55-6
Flammability
Administrative data
Link to relevant study record(s)
Description of key information
Key value for chemical safety assessment
- Flammability:
- non flammable
Additional information
Flammability of solids
In accordance with Regulation (EC) No 1907/2006, Annex XI, Section 1, testing of flammability is not considered to be required for ammonium trioxovanadate as this is a form of vanadium that is already oxidized and has an oxygen content of 43 %. Furthermore, testing of flammability is not considered to be required for inorganic oxides in which the cation is in its highest possible oxidation state and which therefore are incapable of further reaction with oxygen. Ammonium trioxovanadate can thus be designated as non-flammable. (Guidance on information requirements and chemical safety assessment Chapter R.7a: Endpoint specific guidance, section R.7.1.10.3). In addition, long-term industrial experience in handling shows that ammonium trioxovanadate is not flammable.
Pyrophoric properties
In accordance with Regulation (EC) No 1907/2006, Annex XI, Section 1, testing for pyrophoric properties of solids is not considered to be required, since ammonium trioxovanadate is stable at ambient temperature. It also does not contain any chemical groups that might lead to spontaneous ignition a short time after coming in contact with air at room temperature (ca. 20 °C). Furthermore, long-term industrial experience in handling shows that ammonium trioxovanadate does not ignite (spontaneously) (i.e. the autoignition temperature is not below room temperature) in contact with air.
Flammability in contact with water
In accordance with Regulation (EC) No 1907/2006, Annex XI, Section 1, testing of flammability in contact with water is not considered to be required, because ammonium trioxovanadate does not contain groups that might lead to a reaction with water or damp air, leading to the development of dangerous amounts of gas or gases which may be highly flammable. Recent experimental testing for water solubility has also not reported any formation of gases. Furthermore, long-term industrial experience in practical handling of ammonium trioxovanadate shows that it does not react with water and will not ignite with water or humid air.
Justification for classification or non-classification
Ammonium trioxovanadatedoes not need to be classified for physico-chemical properties according to Directive 67/548 EEC and CLP Regulation (EC) No 1272/2008:
- flammability is considerednon-relevant based on chemical structure and lack of functional groups;
- explosive properties are considered non-relevant based on lackof functional groups;
- oxidising properties are considered non-relevant oxide based on chemical structure and oxygen content.
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.
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