Niobium(V) Chloride

五氯化铌

Also known as: COLUMBIUM CHLORIDE, COLUMBIUM PENTACHLORIDE, EINECS 233-059-8, MFCD00011127, NIOBIUM PENTACHLORIDE, NIOBIUM(+5)CHLORIDE, NIOBIUM(V) CHLORIDE, NbCl5, Niobium chloride, Niobium chloride (NbCl5), Niobium(V) chloride, niobiumchloride(nbcl5), pentachloroniobium

Niobium(V) Chloride (CAS 10026-12-7) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula Cl5Nb and a molecular weight of 270.173 g/mol. It is also known as COLUMBIUM CHLORIDE, COLUMBIUM PENTACHLORIDE and EINECS 233-059-8. Key properties include a melting point of 204.7-209.5ºC, a boiling point of 254ºC, a density of 2.75 and a flash point of 248.2°C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
10026-12-7
Jingsj CID
J-1990201-2
Molecular Formula
Cl5Nb
Chinese Name
五氯化铌
Molecular Weight
270.173 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026

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Physicochemical Properties

Melting Point204.7-209.5ºC
Boiling Point254ºC
Density2.75
Flash Point248.2°C

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

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

The CAS number of Niobium(V) Chloride is 10026-12-7.

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

Niobium(V) Chloride has molecular formula Cl5Nb and molecular weight 270.173 g/mol.

Is Niobium(V) Chloride hazardous?

Niobium(V) Chloride has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "Niobium(V) Chloride (CAS 10026-12-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990201-2 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.