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Tantalum(V) fluoride

Also known as: EINECS 232-022-3, MFCD00042542, Pentachlorotantalum, Pentachlorotantalum(V), TANTALUM PENTACHLORIDE, TANTALUM(+5)CHLORIDE, TaCl5, Tantalum(V)pentachloride, tantalum (V) chloride, tantalum fluoride, tantalum pentaflouride, tantalum pentafluoride, tantalumchloride(tacl5), thallium(V) fluoride

Tantalum(V) fluoride (CAS 7783-71-3) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula F5Ta and a molecular weight of 275.94000 g/mol. Key properties include a melting point of 96.8ºC, a boiling point of 229.5ºC, a density of 4.74 g/mL at 25ºC(lit.) and a flash point of 230ºC. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7783-71-3
Jingsj CID
J-43785-4
Molecular Formula
F5Ta
Molecular Weight
275.94000 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026
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Physicochemical Properties

Melting Point96.8ºC
Boiling Point229.5ºC
Density4.74 g/mL at 25ºC(lit.)
Flash Point230ºC
Exact Mass275.94000
LogP2.10100

GHS Safety & Compliance

CorrosionSignal word: Danger
  • H314 — Causes severe skin burns and eye damage

Frequently Asked Questions

What is the CAS number of Tantalum(V) fluoride?

The CAS number of Tantalum(V) fluoride is 7783-71-3.

What are the molecular formula and molecular weight of Tantalum(V) fluoride?

Tantalum(V) fluoride has molecular formula F5Ta and molecular weight 275.94000 g/mol.

Is Tantalum(V) fluoride hazardous?

Tantalum(V) fluoride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of Tantalum(V) fluoride?

For Tantalum(V) fluoride, Upstream Products: HYDROFLUORIC ACID, Tantalum chloride, arsenic trifluoride; Downstream Products: 1,2,2-Trichloro-1,1-difluoroethane, Bromine trifluoride, Tantalum chloride.

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

Last updated:

How to cite: Jingsj. "Tantalum(V) fluoride (CAS 7783-71-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43785-4 (accessed 2026-11-09).

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