Hafnium oxide (HfO2)

U.S. production volumes are classified as confidential business information.

Molecular structure of 12055-23-1
US ProductionCBI
Import Value$123M
Top SourceBrazil 32%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 282590 · basket

These shares come from HS customs code 282590, which covers 26 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
BR 32%BrazilTR 15%TurkeyCN 9%ChinaVN 8%VietnamKR 8%South Korea
EPA-registered manufacturers (2)
Ati Albany Operations
Westinghouse
EPA-registered importers (3)
Tosoh · JP Japan
Tosoh America
Umicore Usa

Why It Matters

Sectors
Metals & MiningCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 1 sector as 1 functional role.

  • Intermediate in Primary Metal Manufacturing (97%)Processing as a reactant

Vendor Pricing

$0.96/gCombi-Blocks, Inc.
CountryUnited States
Pack$480.00 / 500 g
Purity98%
Vendors5 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

4 more vendors
VendorCountry$/gPackPurity
Sigma-Aldrich (Rush Stock)Germany$4.5925 g98%
Sigma-AldrichGermany$4.5925 g98%
AK Scientific SpecializedUnited States$8.205 g98%
AK Scientific, Inc.United States$11.005 g99%

Chemical Identity

CAS12055-23-1
PubChem CID292779
DTXSIDDTXSID70893204
FormulaHfO2
Mol. Weight210.48 g/mol
SMILESO=[Hf]=O

Data Sources

DTXSID708932042026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

2927792026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/292779/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/292779.json

12055-23-12026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

CAS 12055-23-12026-04-25

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr_industrial.csv