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205559

Sigma-Aldrich

Ammonium metavanadate

99%

Synonym(s):

Ammonium vanadate(V)

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About This Item

Linear Formula:
NH4VO3
CAS Number:
7803-55-6
Molecular Weight:
116.98
EC Number:
232-261-3
MDL number:
MFCD00011430
UNSPSC Code:
12352300
eCl@ss:
38180409
PubChem Substance ID:
329752014
NACRES:
NA.55

Assay

99%

form

powder, crystals or granules

pH

7 (20 °C, 5.1 g/L)

density

2.32 g/cm3 at 25 °C (lit.)

SMILES string

N.O[V](=O)=O

InChI

1S/H3N.H2O.2O.V/h1H3;1H2;;;/q;;;;+1/p-1

InChI key

YBVKNHXQSRDWAA-UHFFFAOYSA-M

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Application

Ammonium metavanadate may be employed in the following studies:
  • Preparation of various 2-substituted aryl benzimidazole derivatives.
  • Synthesis of dioxidovanadium(V) complex.
  • Preparation of vanadia modified titania (V2O5/TiO2) photo-catalysts.

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Oral - Acute Tox. 4 Inhalation - Aquatic Chronic 2 - Eye Irrit. 2 - Repr. 2 - STOT RE 1 Inhalation

Target Organs

Respiratory Tract

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Philani Vusumuzi Hlophe et al.
Scientific reports, 9(1), 10044-10044 (2019-07-13)
The development of heterojunctions is the current focus of the scientific community as these materials are visible light active and the staggered positioning of their band edges combats electron-hole recombination which is the downside of most photocatalysts. In this work
Ammonium metavanadate: an effective catalyst for synthesis of α-hydroxyphosphonates.
Sonar SS, et al.
ARKIVOC (Gainesville, FL, United States), 2, 138-148 (2009)
Microwave-assisted one-pot synthesis of octahydroquinazolinone derivatives using ammonium metavanadate under solvent-free condition.
Niralwad KS, et al.
Tetrahedron Letters, 51(28), 3616-3618 (2010)
Ammonium Metavanadate as an Efficient Catalyst for the Synthesis of 2,4,5-Triaryl-1H-imidazoles.
Niralwad KS, et al.
Journal of Heterocyclic Chemistry, 48(3), 742-745 (2011)
Ammonium Metavanadate an Efficient Catalyst for Erlenmeyer Synthesis.
Madje B, et al.
Journal of the Indian Chemical Society, 89(9), 1295-1299 (2012)
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