Niobium(V) ethoxide
Niobium(V) ethoxide (CAS: 3236-82-6), with the formula Nb(OCH2CH3)5 and a molecular weight of 318.21 g/mol, is a high-purity chemical supplied by Tech Serve Solutions. This niobium alkoxide is primarily utilised as a precursor in materials science, particularly for applications in micro/nanoelectronics and solution deposition processes. Its specific properties make it valuable for advanced material synthesis.
- IUPAC
- NbOEt,Niobium ethanolate,Niobium ethylate,Niobium pentaethoxide,Pentaethoxyniobium
- Synonyms
- Niobium pentaethoxidePentaethoxyniobiumNiobium ethylateNiobium ethanolate

Precursor for Thin Film Deposition
Niobium(V) ethoxide serves as an excellent precursor in Metal-Organic Chemical Vapour Deposition (MOCVD) and Atomic Layer Deposition (ALD) processes. It enables the formation of high-quality niobium oxide or niobium-based thin films critical for microelectronic devices.
Materials Science Research
In materials science, this compound is employed for the synthesis of novel niobium-containing materials. Its controlled decomposition characteristics allow for precise material composition and structure engineering at the nanoscale.
Catalysis
While not its primary application, niobium alkoxides can exhibit catalytic activity in certain organic transformations, owing to the Lewis acidity of the niobium centre.
| Molecular weight | 318.21 |
|---|---|
| Linear formula | Nb(OCH2CH3)5 |
| Assay | 99.95% trace metals basis99.95% trace metals basis |
| Grade | electronic grade |
| Form | liquid |
| Boiling point | 142 °C/0.1 mmHg(lit.) |
| Density | 1.268 g/mL at 25 °C(lit.) |
| Melting point | 5-6 °C(lit.) |
| Refractive index | n20/D 1.516(lit.) |


Hazard statements
- H226Flammable liquid and vapour
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 36 °C / 96.8 °F |
| Transport (UN / ADR) | UN 2920 3(8) / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 10-34 |
| Safety statements (S) | 26-36/37/39-45 |
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(V) ethoxide used for?
+
Niobium(V) ethoxide is used as a precursor in materials science, particularly for micro/nanoelectronics and solution deposition processes, enabling the synthesis of niobium-based thin films and advanced materials.
What is the CAS number and formula for Niobium(V) ethoxide?
+
The CAS number is 3236-82-6, and the chemical formula is Nb(OCH2CH3)5.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Niobium(V) ethoxide at electronic grade purity, with an assay of 99.95% trace metals basis.
How should Niobium(V) ethoxide be handled safely?
+
Niobium(V) ethoxide is a flammable liquid and causes severe skin burns and eye damage. Handle with appropriate personal protective equipment, including gloves, eye protection, and respiratory protection, in a well-ventilated area. It is classified as Danger with hazards H226 and H314.
How is Niobium(V) ethoxide packed and shipped?
+
Niobium(V) ethoxide is shipped as a UN 2920, Hazard Class 3 (8), Packing Group II, indicating it is a flammable corrosive liquid.
How can I request a quote or sample for Niobium(V) ethoxide?
+
To request a quote or sample, please contact our sales department through the website or by phone. Our team will assist you with your specific requirements.
▶ Related products

(11-Mercaptoundecyl)-N,N,N-trimethylammonium bromide
Micro / NanoElectronics

(11-Mercaptoundecyl)hexa(ethylene glycol)
C23H48O7S
Micro / NanoElectronics
(12-Phosphonododecyl)phosphonic acid
C12H28O6P2
Micro / NanoElectronics
(2,2,3,3,4,4,5,5,6,6,7,7,7-Tridecafluoroheptyl)oxirane
C9H5F13O
Micro / NanoElectronics
(2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-Heptadecafluorononyl)oxirane
C11H5F17O
Micro / NanoElectronics
(3-Chloropropyl)dimethoxymethylsilane
Cl(CH2)3Si(OCH3)2CH3
Micro / NanoElectronics
(3-Chloropropyl)trimethoxysilane
Cl(CH2)3Si(OCH3)3
Micro / NanoElectronics
(4-Bromophenyl)diphenylsulfonium triflate
C19H14BrF3O3S2
Micro / NanoElectronics▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis