Thallium(III) nitrate

CAS 13746-98-0

Nitric acid, thallium(3+) salt (3:1)

Molecular structure of 13746-98-0
1 Tl³⁺
US productionNot reported
Import value, 2024$21M
Top sourceNorway 31%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 283429 · basket

These shares come from HS customs code 283429, which covers 27 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
NO 31%NorwayDE 15%GermanyMX 14%MexicoCA 8%CanadaCN 7%China

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS13746-98-0
PubChem CIDNot recorded
DTXSIDDTXSID50890716
FormulaN3O9Tl
Mol. Weight390.39 g/mol
SMILES[Tl+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O

Data Sources

Brief citations

Thallium(III) nitrate (CAS 13746-98-0) https://chemicalindependence.com/chemical/13746-98-0/ EPA TSCA Inventory: CAS 13746-98-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 283429 for CAS 13746-98-0. Reporting year: 2024. https://usatrade.census.gov/