Niobium(V) ethoxide

Also known as: Niobium ethoxide, Niobium pentaethoxide, Niobium ethylate, Columbium pentaethoxide, Niobium(5+) ethanolate, Ethanol, niobium(5+) salt, niobium (V) ethoxide, niobium(5+) pentaethanolate, niobium(V) ethoxyde, Niobium(V) pentaethoxide, NIOBIUM ETHOXIDE, NIOBIUM ETHYLATE, NIOBIUM PENTAETHOXIDE, NIOBIUM(V) ETHOXIDE, NIOBIUM(V) PENTAETHOXIDE

Niobium(V) ethoxide (CAS 3236-82-6) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C10H25NbO5 and a molecular weight of 318.20900 g/mol. Key properties include a melting point of 6 °C(lit.), a boiling point of 140-142 °C0.1 mm Hg(lit.), a density of 1.268 g/mL at 25 °C(lit.) and a flash point of 36.1 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.: 3236-82-6
Jingsj CID: J-9099-7
Molecular Formula: C₁₀H₂₅NbO₅
Molecular Weight: 318.20900 g/mol
Category: Solvents
Last updated: 11/2/2026

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Physicochemical Properties

Melting Point	6 °C(lit.)
Boiling Point	140-142 °C0.1 mm Hg(lit.)
Density	1.268 g/mL at 25 °C(lit.)
Flash Point	36.1 °C
Exact Mass	318.07700
PSA	46.15000
LogP	2.43600
Refractive Index	n20/D 1.516(lit.)

GHS Safety & Compliance

Flammable / CorrosionSignal word: Danger

H226 — Flammable liquid and vapour
H314 — Causes severe skin burns and eye damage

Frequently Asked Questions

What is the CAS number of Niobium(V) ethoxide?

The CAS number of Niobium(V) ethoxide is 3236-82-6.

What are the molecular formula and molecular weight of Niobium(V) ethoxide?

Niobium(V) ethoxide has molecular formula C10H25NbO5 and molecular weight 318.20900 g/mol.

Is Niobium(V) ethoxide hazardous?

Niobium(V) ethoxide has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of Niobium(V) ethoxide?

For Niobium(V) ethoxide, Upstream Products: Ethanol, Niobium(V) Chloride; Downstream Products: Niobium n-propoxide.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 11/2/2026

How to cite: Jingsj. "Niobium(V) ethoxide (CAS 3236-82-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9099-7 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.