Ammonium hexafluorosilicate

CAS 16919-19-0

Companies reported imports and no US production of this chemical to EPA for 2019.

Molecular structure of 16919-19-0 — 2 NH₄⁺

US productionZero

Import value, 2024$87M

Import volume1.2M lb

Import dependency100%

Top sourceChina 71%

Production is reported production, not a complete census of factories. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Ammonium hexafluorosilicate · US import value by year

2013: $56M · Peak 2022: $158M · 2024: $87M · 2025: $88M

Where It Comes From

Customs basis: HS 282690 · basket

EPA reports by year

2023: US production Not published · Imports Not published
2019: US production Zero · Imports 1.2M lb

These shares come from HS customs code 282690, which covers 32 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

CN 71%ChinaKR 12%South KoreaJP 5%JapanDE 4%GermanyBE 3%Belgium

Denmark
Mexico
Taiwan
Spain
Canada
Bulgaria
Vietnam
Poland
Italy
Brazil
United Kingdom
Switzerland

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Koch Industries

EPA-registered importers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Florida Chemical Supply

Why It Matters

Sectors

AgricultureEnergy

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

Used in 2 sectors as 2 functional roles.

•Etching agent in Oil and Gas Drilling, Extraction, and Support activitiesNot Known or Reasonably Ascertainable
•Agricultural chemicals (non-pesticidal) in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing—repackaging

Chemical Identity

CAS16919-19-0

PubChem CID28145

DTXSIDDTXSID6047076

FormulaF6H8N2Si

Mol. Weight178.153 g/mol

SMILES[NH4+].[NH4+].F[Si-2](F)(F)(F)(F)F

Data Sources

EPA CompTox (DSSTox) · DTXSID6047076Retrieved 2026-04-06
PubChem · compound 28145Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

← Back to Dashboard ← Back to Agriculture

Brief citations

Ammonium hexafluorosilicate (CAS 16919-19-0) https://chemicalindependence.com/chemical/16919-19-0/ EPA CompTox (DSSTox): DTXSID6047076. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6047076 PubChem: 28145. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/28145 EPA Chemical Data Reporting: 16919-19-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 16919-19-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 282690 for CAS 16919-19-0. Reporting year: 2024. https://usatrade.census.gov/