Vanadium pentoxide

Vanadium pentoxide Property

mp : 690 °C bp : 3380 °C(lit.) density : 6.11 g/mL at 25 °C(lit.) vapor pressure : 8 mm Hg ( 20 °C) Fp : 1750°C storage temp. : Poison room solubility : H2O: soluble form : turnings Water Solubility : 1 g/125 mL Merck : 14,9921 Stability:: Stable. Incompatible with chlorine, chlorates, acids, alkali metals, interhalogens. CAS DataBase Reference: 1314-62-1(CAS DataBase Reference) NIST Chemistry Reference: Vanadium(v) oxide(1314-62-1) EPA Substance Registry System: Vanadium oxide (V2O5)(1314-62-1)

Safety

Hazard Codes : Xi,N,T,C,T+ Risk Statements : 36/38-68-63-51/53-48/23-37-20/22-41-48/20-34-40-26/27/28 Safety Statements : 26-61-45-38-36/37-36-36/37/39-23 RIDADR : UN 3289 6.1/PG 2 WGK Germany : 3 RTECS : YW1355000 F : 10 HazardClass : 8 PackingGroup : III Hazardous Substances Data: 1314-62-1(Hazardous Substances Data)

Vanadium pentoxide Chemical Properties,Usage,Production

Chemical Properties yellow to rust-brown or orange crystals or powder General Description A yellow to red crystalline powder. Slightly soluble in water and denser than water. Contact may cause severe irritation to skin, eyes, and mucous membranes. May be toxic by ingestion, inhalation and skin absorption. Air & Water Reactions Slightly soluble in water. Reactivity Profile Vanadium pentoxide is acidic in many reactions. Hence, soluble in bases. [Kirk-Othmer]. Can react with ClF3, Li, peroxyformic acid and (Ca+S+H2O). Also reacts with strong acids. Health Hazard Probable oral lethal dose for humans is between 5 and 50 mg/kg or between 7 drops and 1 teaspoonful for a 70 kg (150 lb.) person. Toxicity is about the same magnitude as pentavalent arsenic. A person with chronic respiratory disease is at greater risk when exposed to this substance. Fire Hazard Container may explode in heat of fire. When heated to decomposition, Vanadium pentoxide emits acrid smoke and fumes of vanadium oxides. Material is not flammable but Vanadium pentoxide may increase the intensity of the fire when in contact with combustible materials. Avoid chlorine trifluoride; lithium; peroxyformic acid; and calcium, sulfur, water complexes. Hazardous polymerization may not occur.

Vanadium pentoxide Preparation Products And Raw materials

Raw materials Sodium chloride Ammonium chloride Ammonium metavanadate Calcium chloride hexahydrate Sodium metavanadate

Preparation Products Vanadyl acetylacetonate Adipic acid Sulfur Isonicotinic acid ferrovanadium 6-NITROQUINOLINE Vanadyl sulfate Sodium thiocyanate Sodium thiosulfate Potassium metavanadate Formaldehyde o-Cresol Anthraquinone Urea Lansoprazole Phthalic anhydride Sulphur Sodium thiosulfate pentahydrate Ammonium metavanadate Sodium metavanadate

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