CAS 1314-34-7 Vanadium(III) oxide - Materials / Alfa Chemistry

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Vanadium(III) oxide

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Catalog Number

ACM1314347

Product Name

Vanadium(III) oxide

Structure

CAS

1314-34-7

Category

Electrode Materials

Description

Vanadium trioxide appears as a black crystalline solid. Density 4.87 g / cm³. Slightly soluble in water. Irritating to skin and eyes. May be toxic by ingestion. Used to make other chemicals. Used as a catalyst.;DryPowder;BLACK POWDER.

IUPAC Name

oxo(oxovanadiooxy)vanadium

Molecular Weight

149.881g/mol

Molecular Formula

V2O3;V2O3;O3V2

Canonical SMILES

O=[V]O[V]=O

InChI

InChI=1S/3O.2V

InChI Key

KFAFTZQGYMGWLU-UHFFFAOYSA-N

Boiling Point

Approximately 3000 °C

Melting Point

1940 °C;1970 °C

Density

4.87 g/cu cm;4.87 g/cm³

Solubility

In water, 0.01 g/100 mL at 20 °C;Insoluble in water;Slightly soluble in cold water (20-25 °C), soluble in hot water;Difficultly soluble in acids;Soluble in nitric acid, hydrogen fluoride, alkali ...;Solubility in water, g/100ml at 20 °C: 0.01 (very poor)

Color/Form

Black powder;Black crystals

Complexity

34.2

Covalently-Bonded Unit Count

EC Number

215-230-9

Exact Mass

149.872658g/mol

Formal Charge

Heavy Atom Count

ICSC Number

0455

Monoisotopic Mass

149.872658g/mol

Other Experimental

Has corundum (Al2O3) structure; air oxidation proceeds slowly at ambient temperatures but oxidation by chlorine at elevated temperatures to give VOCl3 and V2O5 is rapid;On exposure to air it is gradually converted into indigo-blue crystals of V2O4.;Enthalpy of formation at 298.15 K: -1218.8 kJ/mol; molar heat capacity at 298.15 K: 103.2 J/mol K;Within tissues in organisms, V3+ and V4+ predominate because of largely reducing conditions; in plasma however, which is high in oxygen, V5+ is formed.;Vanadium trioxide undergoes slow air oxidation at room temperature. It does ignite upon heating in air. Reacts rapidly with chlorine.

Rotatable Bond Count

RTECS Number

YW3050000

Stability

Stable under recommended storage conditions.;On exposure to air it is gradually converted into indigo-blue crystals of /vanadium tetraoxide/.

UN Number

3285;3285

MSDS

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COA

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Spec Sheet