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hafnium oxide

Also known as: EINECS 235-013-2, HAFNIUM OXIDE, 99.8%, HAFNIUM OXIDE, 99.9%HAFNIUM OXIDE, 99.9%HAFNIUM OXIDE, 99.9%HAFNIUM OXIDE, 99.9%, HAFNIUM OXIDE, 99.99%, HafniuM(IV) oxide, (trace Metal basis), HafniuM(IV) oxide, 99.99%, (trace Metal basis), Hafnium dioxide, Hafnium oxide, Hafnium oxide/ 99.999%, Hafnium(IV) oxide, Hafnium(IV) oxide powder, 98%, MFCD00003565, dioxohafniuM

hafnium oxide (CAS 12055-23-1) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula HfO2 and a molecular weight of 210.48900 g/mol. Key properties include a melting point of 2812ºC and a density of 9.68. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.

CAS No.
12055-23-1
Jingsj CID
J-12911-4
Molecular Formula
HfO2
Molecular Weight
210.48900 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026
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Physicochemical Properties

Melting Point2812ºC
Density9.68
Exact Mass211.93600
PSA34.14000
Refractive Index2.13 (1700 nm)

Frequently Asked Questions

What is the CAS number of hafnium oxide?

The CAS number of hafnium oxide is 12055-23-1.

What are the molecular formula and molecular weight of hafnium oxide?

hafnium oxide has molecular formula HfO2 and molecular weight 210.48900 g/mol.

Which suppliers offer hafnium oxide?

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

What are the upstream and downstream products of hafnium oxide?

For hafnium oxide, Downstream Products: Diphenyl carbonate.

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

Last updated:

How to cite: Jingsj. "hafnium oxide (CAS 12055-23-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12911-4 (accessed 2026-11-07).

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