Sodium hexahydroxyantimonate(1-)

CAS 33908-66-6

Companies reported imports and no US production of this chemical to EPA for 2023.

Molecular structure of 33908-66-6
US productionZero
Import value, 2024$73M
Import volume2.7M lb
Import dependency100%
Top sourceSouth Korea 47%

Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Sodium hexahydroxyantimonate(1-) · US import value by year
$70M2013$73M2024$239M2025

2013: $70M · 2024: $73M · Peak 2025: $239M

Where It Comes From

Customs basis: HS 284190 · basket

EPA reports by year
2023
US production Zero · Imports 2.7M lb
2019
US production Zero · Imports 2.7M lb

These shares come from HS customs code 284190, which covers 57 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
KR 47%South KoreaJP 16%JapanCA 11%CanadaBE 4%BelgiumGB 4%United Kingdom
EPA-registered importers (3)
Teck Resources · CA Canada
Nyacol Nano Technologies
Teck American Incorporated

Why It Matters

Sectors
Metals & MiningCore Chemicals
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

  • •Intermediate in Primary Metal Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS33908-66-6
PubChem CIDNot recorded
DTXSIDDTXSID30892415
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

Brief citations

Sodium hexahydroxyantimonate(1-) (CAS 33908-66-6) https://chemicalindependence.com/chemical/33908-66-6/ EPA CompTox (DSSTox): DTXSID30892415. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID30892415 EPA Chemical Data Reporting: 33908-66-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 33908-66-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 284190 for CAS 33908-66-6. Reporting year: 2024. https://usatrade.census.gov/