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| CAS No.: | 1314-34-7 |
|---|---|
| Name: | VANADIUM (III) OXIDE |
| Molecular Structure: | |
|
|
|
| Formula: | O3V2 |
| Molecular Weight: | 149.88 |
| Synonyms: | Divanadiumtrioxide;Vanadic oxide;Vanadium sesquioxide;Vanadium trioxide;Vanadium(3+)oxide; |
| EINECS: | 215-230-9 |
| Density: | 4.87 g/mL at 25 °C(lit.) |
| Melting Point: | 690 °C(lit.) |
| Boiling Point: | 3000℃[at 101 325 Pa] |
| Solubility: | Slightly soluble in water. |
| Appearance: | black powder |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 20-36/37/38 |
| Safety: | 26 |
| Transport Information: | UN 2862 6.1/PG 3 |
| PSA: | 43.37000 |
| LogP: | -0.30600 |
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Chemistry
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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
Uses
Vanadium trioxide (CAS NO.1314-34-7) is used as catalyst and to make other chemicals.
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 LIVER: OTHER CHANGES KIDNEY, URETER, AND BLADDER: OTHER CHANGES | National Technical Information Service. Vol. OTS0534591, |
| rat | LDLo | intratracheal | 125mg/kg (125mg/kg) | National Technical Information Service. Vol. AEC-TR-6710, |
Consensus Reports
Reported in EPA TSCA Inventory.
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: 
Xn
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
Standards and Recommendations
ACGIH TLV: TWA 0.05 mg(V2O5)/m3
NIOSH REL: (Vanadium Compound) CL 0.05 mg(V)/m3/15M
Analytical Methods
For occupational chemical analysis use NIOSH: Vanadium Oxides, 7504.
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.