Ammonium metavanadate

Ammonium metavanadate Property

mp : 200 °C density : 2.32 g/cm3 at 25 °C(lit.) storage temp. : Store at RT. solubility : H2O: soluble Water Solubility : 5.1 g/L (20 ºC) Merck : 14,568 Stability:: Stable. Incompatible with strong acids, strong oxidizing agents. Protect from moisture - hygroscopic. CAS DataBase Reference: 7803-55-6(CAS DataBase Reference) EPA Substance Registry System: Vanadate (VO31-), ammonium(7803-55-6)

Safety

Hazard Codes : T+,T Risk Statements : 25-26-36/37/38-20-34-22-36/37-23/24/25 Safety Statements : 26-36/37/39-45-37/39-22-28 RIDADR : UN 2859 6.1/PG 2 WGK Germany : 3 RTECS : YW0875000 F : 3 HazardClass : 6.1 PackingGroup : II HS Code : 28419030 Hazardous Substances Data: 7803-55-6(Hazardous Substances Data)

Ammonium metavanadate Chemical Properties,Usage,Production

Chemical Properties white or slightly yellow powder or crystals General Description A white crystalline powder. Slightly soluble in water and denser than water. Decomposes at 410°F. May release toxic fumes. Moderately toxic. An irritant. Used as a dryer for paints and inks, and for dyes. Loses ammonia upon heating. Air & Water Reactions Slightly soluble in water. Reactivity Profile Acidic inorganic salts, such as Ammonium metavanadate, are generally soluble in water. The resulting solutions contain moderate concentrations of hydrogen ions and have pH's of less than 7.0. They react as acids to neutralize bases. These neutralizations generate heat, but less or far less than is generated by neutralization of inorganic acids, inorganic oxoacids, and carboxylic acid. They usually do not react as either oxidizing agents or reducing agents but such behavior is not impossible. Many of these compounds catalyze organic reactions. Health Hazard TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution. Fire Hazard Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated.

Ammonium metavanadate Preparation Products And Raw materials

Raw materials Oxalic acid ferrovanadium Ammonium nitrate Sodium orthovanadate Vanadium pentoxide Ammonia

Preparation Products catalysts for acrolein oxidation to acrylic acid 1,2,3,4-CYCLOPENTANETETRACARBOXYLIC DIANHYDRIDE 1,2,3,4-Butanetetracarboxylic acid Vanadium pentoxide

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