Skip to main content

Tantalum(V)oxide

Also known as: EINECS 215-238-2, MFCD00011254, TANTALUM OXIDE, TANTALUM PENTOXIDE, TANTALUM(+5)OXIDE, TANTALUM(V) OXIDE, Ta2-O5, Tantalic acid anhydride, Tantalum oxide (Ta2O5), Tantalum penta oxide, Tantalum pentoxide, Tantalum(V) Oxide, dioxotantaliooxy(dioxo)tantalum, tantalum(v) oxide

Tantalum(V)oxide (CAS 1314-61-0) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula O5Ta2 and a molecular weight of 441.89300 g/mol. Key properties include a melting point of 1872 °C and a density of 8.2 g/mL at 25 °C(lit.). It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.

CAS No.
1314-61-0
Jingsj CID
J-1317571-5
Molecular Formula
O5Ta2
Molecular Weight
441.89300 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026
Made to Order

Supplier Offers

1Request a quote
Filter:
SupplierPurity / PackBase PriceUnit PriceOrigin
Made to Order
--CN China

Physicochemical Properties

Melting Point1872 °C
Density8.2 g/mL at 25 °C(lit.)
Exact Mass441.87100
PSA77.51000

Frequently Asked Questions

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

The CAS number of Tantalum(V)oxide is 1314-61-0.

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

Tantalum(V)oxide has molecular formula O5Ta2 and molecular weight 441.89300 g/mol.

Which suppliers offer Tantalum(V)oxide?

1 supplier(s) listed; request a quote for pricing.

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)oxide (CAS 1314-61-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1317571-5 (accessed 2026-11-06).

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