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Ammonium Metavanadate=Ammonium vanadate(V)

CAS NUMBER:7803-55-6
EC NUMBER:232-261-3
Molecular Weight:116.98
Molecular Formula:NH4VO3

Ammonium metavanadate is an inorganic compound represented by the formula NH4VO3. 
As a crystalline solid, Ammonium metavanadate is white, but samples can sometimes appear slightly yellow. 
Ammonium metavanadate has a molecular weight of 116.977 g/mol.
Ammonium metavanadate is denser than water and slightly soluble. 
Ammonium metavanadate is somewhat toxic, particularly to the skin, and should always be handled with care. 
Ammonium metavanadate is stable under normal storage conditions.
Ammonium metavanadate is the inorganic compound with the formula NH4VO3. 
Ammonium metavanadate is a white salt, although samples are often yellow owing to impurities of V2O5. 
Ammonium metavanadate is an important intermediate in the purification of vanadium.
Ammonium metavanadate is a water soluble inorganic acid. 
Ammonium metavanadate is a cheaply available, mild and efficient catalyst. 
Ammonium metavanadate has the ability to alter female reproduction has been studied in swiss albino mice.
Ammonium metavanadate tend to absorb moisture in air.
When heating,  ammonia and water would lose. 
Ammonium metavanadate dissolves in hot water and dilute ammonia water and faintly dissolve in cold water, however not in ethyl alcohol. 
Ammonium metavanadate has some other product names like ammonium vanadate and  ammonium vanadium oxide, which refer to same chemical.

•Synthesis and structure
Ammonium metavanadate is prepared by the addition of ammonium salts to solutions of vanadate ions, generated by dissolution of V2O5 in basic aqueous solutions, such as hot sodium carbonate. 
Ammonium metavanadateprecipitates as a colourless solid. This precipitation step can be slow.
Ammonium metavanadate adopts a polymeric structure consisting of chains of [VO3]-, formed as corner-sharing VO4 tetrahedra. 
These chains are interconnected via hydrogen bonds with ammonium ions.

Category:Ammonium Compounds

Ammonium metavanadate is primarily used as an intermediate or as an oxidizing agent. 
Ammonium metavanadate is commonly used as a substrate in the synthesis of silver vanadate, manganese vanadate, and vanadium oxide. 
Ammonium metavanadate can catalyze the synthesis of octahydroquinazolinone derivatives and azalactone derivatives.
Ammonium metavanadate belongs to the vanadates family and contains many different oxidative states. 
Ammonium metavanadate is the most common laboratory vanadate reagent, along with potassium metavanadate, KVO3. 
Ammonium vanadate is used for the preparation of catalysts for organic and inorganic synthesis. 
Ammonium metavanadate is also used for the production of colors and paints as drying agents for paintings and inks.

Vanadium is often purified from aqueous extracts of slags and ore by selective precipitation of ammonium metavanadate. 
The material is then roasted to give vanadium pentoxide.

The ammonium metavanadate market finds application in the commercial synthesis of manganese vanadate, silver vanadate and vanadium oxide as Ammonium metavanadate is routinely used as a reagent, intermediate or substrate. 
Ammonium metavanadate is widely used to produce Mandelin reagent which finds widespread usage in the detection of dangerous drugs such as PMMA, PMA and psychoactive substances. 
Ammonium metavanadate imparts a yellow color to the reagent which changes when the reagent is added to a sample containing an alkaloid, thus serving as a useful kit to detect various substances.
Ammonium metavanadate is ideal as a reagent in the laboratory and analytical chemistry. 
Ammonium metavanadate serves as a precursor of various medicinal agents on account of its low cost, mild reaction conditions, high yield and operational simplicity. 
Ammonium metavanadate is used for production of catalysts for inorganic and organic synthesis.
Ammonium metavanadate is among the most common laboratory reagents along with potassium metavanadate used in biotechnology, cell culture, and biotherapeutics.  
Ammonium metavanadate plays the role of an intermediate in the synthesis of sodium carbonate and hydrochloric acid. 
To ensure the steady availability of raw materials for the reaction to continue, the ammonium metavanadate is heated which regenerates the reagents used in the synthesis of sodium carbonate.

•Ammonium metavanadate powder continue to remain the most preferred form in industrial applications
Ammonium metavanadate market is segmented based on product forms including powder and granule. 
The product has slight solubility in water which increases its suitability as a dryer for inks, paints and dyes. 
Ammonium metavanadate is also used as a catalyst in the dyeing of fur & leather pertaining to rising preference for such products and growing adoption in textile industry. 
Ammonium metavanadate finds widespread usage in staining wood black, indelible ink, hematoxylin staining in medical diagnosis, photographic developer, developing pottery luster, and printing & dyeing of woolens. 
The dyes containing ammonium vanadate are majorly used in paints & coatings, printing inks, packaging and textile sectors.
Ammonium metavanadate is ideal for the printing & dyeing of cotton, production and fixing of aniline black on silk. 
Ammonium metavanadate improves the performance of various quick-drying inks and imparts enamels & glazing on ceramics. 
Ammonium metavanadate serves as a catalyst in the production of organic intermediates of polyester, nylon and synthetic inks. 
Modernization of retail industry and changing lifestyles have led to rising requirement for packaging ink, which, along with technological advancement in water-based ink technology will be the major factor shaping industry dynamics.

•Commercially, ammonium metavanadate is most often used for the purification of vanadium. 
Vanadium itself is usually purified from aqueous extracts of ore, selectively precipitated for ammonium metavanadate. 
The compound is made up of vanadate ions with the addition of ammonium salts.
Vanadium is a powerful alloy. 
Ammonium metavanadate is used prolifically within the steel industry and over 85% of all vanadium used industrially is used for steel production. 
Ammonium metavanadate is commonly alloyed with aluminum, titanium, and other high-performance metals. 
Vanadium imbues strength and toughness and is useful for a variety of applications including high-test aircraft, gears, axles, cladding, and even for superconducting.

•Ammonium metavanadate is used to prepare Mandelin reagent, a qualitative test for alkaloids.
The Mandolin Reagent is a spot test used for determining the presence of alkaloids and other chemical compounds. 
Comprised of ammonium metavanadate and sulfuric acid, the Mandolin Reagent is most frequently used for illicit drug testing.

•Ammonium vanadium oxide is used as a catalyst in organic synthesis, and as an analytical reagent in laboratories. 
Ammonium vanadium oxide is employed in the preparation of vanadate. 
Ammonium vanadium oxide acts as a sensor for the determination of N-acetyltransferase activity in humans. 
Further Ammonium vanadium oxidefinds use in dyes, varnishes, indelible inks, drier for paints, and in photography. 
With copper carbonate, Ammonium vanadium oxide has been shown to enhance the catalytic activities. 
Ammonium metavanadate is an environmental-friendly catalyst to prepare alpha-hydroxyphosphonate derivatives in high yield through the reaction of aryl/heteroaryl aldehydes with triethylphosphonate derivatives.
•Ammonium metavanadate is used as a drier for paints and inks, in dyeing and printing on woolens, for staining wood black, in the manufacture of vanadium black and "indelible ink," for producing vanadium luster on pottery, as photographic developer, in hematoxylin staining in microscopy.
Ammonium metavanadate is used as a substitute for vanadium pentoxide in the production of yellow ceramic colorants.
The product releases ammonia gas on heating and finds extensive usage in paints, varnishes, inks, dyes and photographic developers.

•Ammonium metavanadate is a kind of minor metal salts. it serve the purpose of chemical reagents, catalyzer, dryer and mordant usually, further which is also widely used as glaze in ceramics. 
Ammonium metavanadate is is raw material in producing vanadium pentoxide. Their property is very close. 
In instrumental analysis, Ammonium metavanadate acts as reagent to analyze phenols by thin layer chromatography and penicillin and thiodiphenylamine by spectrophotometry method.

Ammonium metavanadate may be used as a substrate in the synthesis of the following:
-silver vanadate (AgVO3) nanorods
-manganese vanadate nanobelts
-vanadium oxide hydrate semi-microspheres

Ammonium metavanadate may be used as a catalyst in the synthesis of the following:
-azalactone derivatives
-octahydroquinazolinone derivatives

By Application
•Chemical reagent
•Paints, inks & dyes

•First aid measures:
-Eye Contact
Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes.
Immediate medical attention is required.
-Skin Contact 
Wash off immediately with plenty of water for at least 15 minutes. Obtain medical attention.
Move to fresh air. If breathing is difficult, give oxygen. Do not use mouth-to-mouth
resuscitation if victim ingested or inhaled the substance; induce artificial respiration with a
respiratory medical device. Immediate medical attention is required
Do not induce vomiting. Call a physician or Poison Control Center immediately

•Firefighting Measures:
Suitable Extinguishing Media :Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.

•Handling and storage
Handling Use only under a chemical fume hood. 
Wear personal protective equipment. Do not get in eyes, on skin, or on clothing. 
Avoid dust formation. Do not breathe vapors/dust. Do not ingest.
Keep containers tightly closed in a dry, cool and well-ventilated place.

Appearance:Ammonium metavanadate occurs in white crystal or white or very pale yellow crystalline powder.
Solubility:Ammonium metavanadate is slightly soluble in cold water but more soluble in hot water. 
Ammonium metavandate is not soluble in a saturated solution of NH4CL, in ethanol and in ether.
Melting Point/Range: 200 °C / 392 °F
Density (g/mL): 2.326
PH:7 (5.1g/l, H2O, 20℃)
Stability:Stable. Incompatible with strong acids, strong oxidizing agents. 
Protect from moisture - hygroscopic

By Form,

By Purity,
•98% - 99%
•Minimum 99%

Ammonium monovanadate
Ammonium m-vanadate 
Ammonium vanadate 
Ammonium vanadium oxide
Ammonium vanadate v 
Ammonium monovanadate

•Based on purity levels, ammonium metavanadate market is segmented into 98%-99% and min. 99% purity. 
Ammonium metavanadate of min. 99% purity is a white crystalline powder with a particle size of less than 1 mm. 
The product’s purity ranges from 99% to 99.99% and it offers the advantages of being odorless & high chemical stability under normal conditions. 
Its high purity and fine particle size make it an ideal catalyst for the production of organic compounds such as benzimidazoles used in pharmaceutical industry.
Ammonium vanadate of min. 99% purity is moderately soluble in water and highly reactive with alkalis which increases its suitability as a laboratory reagent. 
Ammonium metavanadate presents low probability of undergoing hazardous reactions such as polymerization which indicates high stability for storage & usage. 
Ammonium metavanadate is ideal for the production of the dioxido-vanadium(V) complex which is a widely used catalyst owing to its desirable biochemical properties and the interconvertible oxidation states of vanadium.
Ammonium metavanadate is commonly used in the production of the photocatalyst vanadium oxide-titania by the wet impregnation method.  
This catalyst plays a crucial role in various industrial reactions such as the oxidation of alkanes & aromatics and the catalytic reduction of nitrous oxides. 
Ammonium metavanadate of min. 99% purity creates an acidic solution with water which is highly reactive and helps neutralize bases without releasing excessive amounts of heat.
Ammonium metavanadate finds extensive usage in the combustion analysis of hydrogen, nitrogen and carbon pertaining to its non-combustible nature. 
Ammonium metavanadate is used for producing alloys in the metals industry, printing, chemical reactions, medicines and photography.

•Catalysts application segment to spur ammonium metavanadate market
Based on applications, ammonium metavanadate market is segmented into chemical reagents, catalysts, paints, inks & dyes, and ceramics applications. 
Ammonium metavanadate is routinely used as a catalyst in inorganic & organic synthesis which includes the production of adipic acid and vanadium pentoxide. 
Ammonium metavanadate ensures the conversion of cyclohexanol-cyclohexanone mixture formed during the adipic acid production process into the final product through continuous oxidation with nitric acid at a temperature of 75°C. 
Ammonium metavanadate also plays a major role in the production of catalysts used in the reduction of harmful nitrogen oxides emitted from boilers.
Ammonium metavanadate is significantly used in the manufacturing of the vanadium pentoxide catalyst owing to the relative simplicity of the production process. 
Vanadium pentoxide is extensively used as a catalyst in the commercial production of sulfuric acid by the contact process where it ensures the oxidation of sulfur dioxide to trioxide at 440°C. 
Ammonium metavanadate also catalyzes chemical reactions in the production process of varnishes, paints and dyes.

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