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31153

Sigma-Aldrich

Ammonium metavanadate

puriss. p.a., reag. Ph. Eur., ≥99.5%

Sinónimos:

Ammonium vanadate(V)

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About This Item

Fórmula lineal:
NH4VO3
Número de CAS:
7803-55-6
Peso molecular:
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

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Ammonium metavanadate: A novel catalyst for synthesis of 2-substituted benzimidazole derivatives.
Jadhav GR, et al.
Chinese Chemical Letters = Zhongguo Hua Xue Kuai Bao, 20(3), 292-295 (2009)
Flow injection method for the assay of phenothiazine neuroleptics in pharmaceutical preparations using ammonium metavanadate.
Sultan SM.
Analyst, 116(2), 177-181 (1991)
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
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
Ghada Abdelhamid et al.
Cell biology and toxicology, 26(5), 421-434 (2010-03-12)
We recently demonstrated that V(5+) downregulates 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)-mediated induction of Cyp1a1 mRNA, protein, and catalytic activity levels in Hepa 1c1c7 cells through transcriptional mechanism. Therefore, it is important to investigate whether similar changes occur in humans. For this purpose, we
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