215821 Sigma-Aldrich

Vanadium(IV) oxide

≥99% trace metals basis

Synonym: Vanadium dioxide



Related Categories Catalysis and Inorganic Chemistry, Chemical Synthesis, Materials Science, Metal and Ceramic Science, Oxides,
Quality Level   100
assay   ≥99% trace metals basis
form   powder
reaction suitability   reagent type: catalyst
core: vanadium
density   4.339 g/mL at 25 °C (lit.)
Featured Industry   Battery Manufacturing
SMILES string   O=[V]=O.O=[V]=O
InChI   1S/4O.2V



5, 20 g in glass bottle

Safety & Documentation

Safety Information

Personal Protective Equipment 
NONH for all modes of transport
WGK Germany 
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable


Certificate of Analysis (COA)

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Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How do I find price and availability?
There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 or view local office numbers.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
What is the solubility of this vanadium oxide (Product No. 215821)?
This product is insoluble in water. However, it is soluble in acids to give the stable (VO)2+.
What is the particle size of Product No. 215821?
The particle size of this vanadium(IV) oxide product is -100 mesh (meaning less than 149 microns).
What is the crystal structure of vanadium(IV) oxide (Product No. 215821)?
V2O4 has a distorted rutile structure with shorter distances between pairs of V atoms indicating metal-metal bonding.
What is the physical form of Product No. 215821?
This vanadium oxide product is in powder form.
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