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Vanadium (III) oxide

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Vanadium (III) oxide

EINECS 215-230-9
CAS No. 1314-34-7 Density 4.87 g/mL at 25 °C(lit.)
Solubility Melting Point 690 °C(lit.)
Formula O3V2 Boiling Point
Molecular Weight 149.88 Flash Point
Transport Information UN 2862 6.1/PG 3 Appearance black powder
Safety 26 Risk Codes 20-36/37/38
Molecular Structure Molecular Structure of 1314-34-7 (Vanadium oxide (V2O3)) Hazard Symbols HarmfulXn

Divanadiumtrioxide;Vanadic oxide;Vanadium sesquioxide;Vanadium trioxide;Vanadium(3+)oxide;


Vanadium (III) oxide Chemical Properties

IUPAC Name: Vanadium oxide 
Molecular Formula: O3V2
Molecular Weight: 149.8812 g/mol
Canonical SMILES: O=[V]O[V]=O
InChI: InChI=1S/3O.2V
EINECS: 215-239-8
Classification Code: Mutation data; Skin / Eye Irritant
Melting Point: 690 °C(lit.)
Stability: Stable. Air sensitive.
Density of Vanadium trioxide (CAS NO.1314-34-7): 4.87 g / cm3

Vanadium (III) oxide Uses

 Vanadium trioxide (CAS NO.1314-34-7) is used as catalyst and to make other chemicals.

Vanadium (III) oxide Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 130mg/kg (130mg/kg)   "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 119, 1982.
mouse LD50 subcutaneous 130mg/kg (130mg/kg)   Zhurnal Vsesoyuznogo Khimicheskogo Obshchestva im. D.I. Mendeleeva. Journal of the D.I. Mendeleeva All-Union Chemical Society. Vol. 19, Pg. 186, 1974.
rabbit LD50 skin 200mg/kg (200mg/kg) KIDNEY, URETER, AND BLADDER: OTHER CHANGES National Technical Information Service. Vol. OTS0534591,
rat LD50 oral 566mg/kg (566mg/kg) LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES


National Technical Information Service. Vol. OTS0534591,
rat LDLo intratracheal 125mg/kg (125mg/kg)   National Technical Information Service. Vol. AEC-TR-6710,

Vanadium (III) oxide Consensus Reports

Reported in EPA TSCA Inventory.

Vanadium (III) oxide Safety Profile

Poison by ingestion, subcutaneous, and intratracheal routes. Ignites when heated in air. When heated to decomposition it emits toxic fumes of VOx
Hazard Codes: HarmfulXn
Risk Statements: 20-36/37/38 
R20:Harmful by inhalation. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
RIDADR: UN 2862 6.1/PG 3
WGK Germany: 3
RTECS of Vanadium trioxide (CAS NO.1314-34-7): YW3050000

Vanadium (III) oxide Standards and Recommendations

ACGIH TLV: TWA 0.05 mg(V2O5)/m3
NIOSH REL: (Vanadium Compound) CL 0.05 mg(V)/m3/15M

Vanadium (III) oxide Analytical Methods

For occupational chemical analysis use NIOSH: Vanadium Oxides, 7504.

Vanadium (III) oxide Specification

  Vanadium trioxide (CAS NO.1314-34-7), its Synonyms are Divanadium trioxide ; Vanadium oxide ; Vanadium oxide (V2O3) ; Vanadium oxide, sesqui ; Vanadium sesquioxide ; Vanadium(3+) oxide . It is black powder.

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