Appearance and Properties: Orange-yellow, brick-red or red-brown crystalline powder, can also be presented as gray-black flakes.
Melting point: about 690 degree (there are also information mentioned about 670 degree melting)
Boiling point: 1750 degree (decomposition)
Solubility: slightly soluble in water (mass concentration of about 0.07g / L), the solution is yellow; insoluble in ethanol, but soluble in strong acids and strong bases.
Decomposition properties: It volatilizes significantly at 700~1125 degree and decomposes into oxygen and vanadium tetraoxide. This property makes it a catalyst for many organic and inorganic reactions.
Metallurgical industry: vanadium pentoxide is widely used in metallurgical industry, mainly used for smelting ferrovanadium, and as an alloy additive, accounting for more than 80% of the total consumption of vanadium pentoxide.
Chemical industry: It is used as catalyst (catalyst) of organic chemical industry, accounting for about 10% of the total amount. In addition, it is also used as inorganic chemicals, chemical reagents, enameling and magnetic materials, etc., accounting for about 10% of the total amount (also mentioned as 15% in some sources).
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