Potassium nitrite

Drug ingredient

CAS 7758-09-0

EPA’s 2023 records show zero U.S. production for this drug ingredient.

US productionZero

Import value, 2024$13M

Import volumeCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Top sourceIndia 64%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

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.

Where It Comes From

Customs basis: HS 283410 · narrow

EPA reports by year

2023: US production Zero · Imports Confidential
2019: US production Zero · Imports 164.7K lb

These shares come from HS customs code 283410, which covers 5 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).

IN 64%IndiaCN 33%ChinaDE 1%Germany

Ukraine
United Kingdom
Brazil
Canada
Colombia
Japan
South Korea

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.

S.C. Johnson & Son

2 FDA-registered drug labelers

CVS Pharmacy

Rite Aid

Why It Matters

Sectors

HealthConsumer Products

Downstream Uses

Appears in 2 drug and cosmetic product listings (FDA).

•Rite Aid Enamel Guard
•CVS Pharmacy Enamel Guard

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

•Corrosion inhibitor in Wholesale and Retail Trade (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS7758-09-0

PubChem CID516910

DTXSIDDTXSID5042320

FormulaKNO2

Mol. Weight85.104 g/mol

SMILESN(=O)[O-].[K+]

Data Sources

EPA CompTox (DSSTox) · DTXSID5042320Retrieved 2026-04-06
PubChem · compound 516910Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Potassium nitrite (CAS 7758-09-0) https://chemicalindependence.com/chemical/7758-09-0/ EPA CompTox (DSSTox): DTXSID5042320. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5042320 PubChem: 516910. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/516910 EPA Chemical Data Reporting: 7758-09-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: CAS 7758-09-0. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 283410 for CAS 7758-09-0. Reporting year: 2024. https://usatrade.census.gov/