Niobium(IV) oxide
Niobium(IV) oxide (CAS: 12034-59-2, Formula: NbO2) is a metal oxide supplied by Tech Serve Solutions. This black or dark blue powder exhibits a density of 5.9 g/mL at 25 °C. It is characterised by its high purity, typically 99.9% on a trace metals basis, making it suitable for advanced material science applications and research purposes within ceramics and niobium-related fields.

Advanced Ceramics
Niobium(IV) oxide serves as a precursor or additive in the development of advanced ceramic materials, potentially influencing their electrical, thermal, and mechanical properties. Its use is relevant in specialised ceramic formulations for electronic components or structural applications.
Materials Science Research
As a well-defined niobium compound, NbO2 is employed in materials science research to explore novel compounds, alloys, or composite materials. Its specific oxidation state and structural characteristics are of interest for investigating new functionalities.
Niobium-Based Compounds
This oxide can be utilised as a starting material for synthesising other niobium-containing compounds, including complex oxides or intermetallic phases, for various industrial and scientific investigations.
| Molecular weight | 124.91 |
|---|---|
| Linear formula | NbO2 |
| Assay | 99.9% trace metals basis |
| Form | powder |
| Density | 5.9 g/mL at 25 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Niobium(IV) oxide used for?
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Niobium(IV) oxide is primarily used in materials science research, the development of advanced ceramics, and as a precursor for synthesising other niobium-based compounds. Its specific applications leverage its properties in specialised material formulations.
What are the CAS number and chemical formula for Niobium(IV) oxide?
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The CAS number for Niobium(IV) oxide is 12034-59-2, and its chemical formula is NbO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Niobium(IV) oxide with an assay of 99.9% on a trace metals basis. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should Niobium(IV) oxide be handled safely?
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Niobium(IV) oxide is classified with Warning signal word and hazards H315, H319, H335, indicating it may cause skin irritation, serious eye irritation, and respiratory irritation. Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, should be used. Ensure adequate ventilation and avoid breathing dust.
How is Niobium(IV) oxide packed and shipped?
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Niobium(IV) oxide is carefully packed in suitable containers to ensure integrity during transit. As a global supplier, Tech Serve Solutions exports this chemical worldwide, adhering to all relevant shipping regulations for fine chemicals.
How can I request a quote or sample for Niobium(IV) oxide?
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To request a quote or sample of Niobium(IV) oxide, please contact our sales team through the website or by phone. Provide the product name, CAS number (12034-59-2), and the desired quantity.
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