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Sigma-Aldrich

Ammonium metavanadate

puriss. p.a., reag. Ph. Eur., ≥99.5%

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:
12352302
eCl@ss:
38180409
PubChem Substance ID:
329753670

agency

USP/NF
reag. Ph. Eur.

grade

puriss. p.a.

assay

≥99.5%

form

solid

density

2.32 g/cm3 at 25 °C (lit.)

anion traces

chloride (Cl-): ≤20 mg/kg
phosphate (PO43-): ≤50 mg/kg
sulfate (SO42-): ≤100 mg/kg

cation traces

Cd: ≤10 mg/kg
Co: ≤20 mg/kg
Cu: ≤10 mg/kg
Fe: ≤10 mg/kg
Ni: ≤20 mg/kg
Pb: ≤20 mg/kg
Zn: ≤10 mg/kg

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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General description

Ammonium metavanadate is an ammonium salt. It participates as an oxidizing agent for condensation reaction of o-phenylenediamine with substituted aryl aldehydes.

Application

Ammonium metavanadate may be employed in the following studies:
  • As catalyst for the synthesis of various 2-substituted aryl benzimidazoles.
  • As oxidizing agent in the determination of chlorpromazine, promethazine, trimeprazine and perphenazine in pharmaceutical samples by flow injection method.
  • Synthesis of dioxidovanadium(V) complex.
  • Preparation of Vanadia modified titania (V2O5/TiO2) photo-catalysts.

signalword

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

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

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

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Diptipriya Sethi et al.
Journal of photochemistry and photobiology. B, Biology, 144, 68-74 (2015-03-03)
Vanadia modified titania (V₂O₅/TiO₂) photo-catalysts are prepared by incipient wet impregnation method using aqueous ammonium metavanadate and anatase (Aldrich) titania. Titania with various loading concentrations of vanadia from 0 to 10 wt.% have been prepared and characterized by X-ray diffraction
Simona Nica et al.
Journal of inorganic biochemistry, 147, 193-203 (2015-03-10)
The Schiff-base ligand (H2salhyhNH3)Cl (1) derived from salicylaldehyde and 6-aminohexanoic acid hydrazide hydrochloride reacts with ammonium metavanadate in methanol solution to yield the dioxidovanadium(V) complex [VO2(salhyhNH3)] (2). The utilized hydrazone ligand contains a flexible and protonated amino side chain. Crystallization
Flow injection method for the assay of phenothiazine neuroleptics in pharmaceutical preparations using ammonium metavanadate.
Sultan SM.
Analyst, 116(2), 177-181 (1991)
C Faría de Rodríguez et al.
Investigacion clinica, 39 Suppl 1, 87-97 (1998-07-03)
The present research show, an statistical study of the effects of ammonium metavanadate (AMV) on size, weight and number of offsprings of 56 albino swiss mice (male and female) was carried out. These mice ingested AMV in concentration of 100
Mansour S Abdul Galil et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 67(1), 76-82 (2006-08-22)
A rapid, simple, and most economical spectrophotometric method was proposed for the determination of nitrite in various water samples, soil samples, and roots of leguminous plants. The method is based on decolorizing effect of nitrite on complex formed between hydrogen
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