HS 283421

Potassium Nitrate

U.S. imports of potassium nitrate (HS 283421) totaled $3.2M in April 2026, traded with 14 countries.

Last updated: April 2026 data

Potassium nitrate (HTS 2834210000) occupies a unique position in trade as both a fertilizer component — valued for its dual nitrogen and potassium nutrient content — and a specialty oxidizer used in pyrotechnics, glass manufacturing, and heat-transfer salts for solar energy systems. Chile is the leading US import source, reflecting its historically significant natural nitrate deposits, with Israel and Germany also among the top suppliers. Because potassium nitrate can serve as an oxidizer in explosive compositions, importers should be aware of any applicable licensing or end-use documentation requirements under US regulations.

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Imports

$3.2M

from 14 countries · YTD: $27.2M

Exports

$1.2M

Deficit of $2.0M (net importer)

Trade balance: deficit of $2.0M (net importer)

YTD: $27.2M imported (April 2026)

34 shipments/month

Top Import Sources

View all

1ISRAEL$2.0M

Import Trend (12 months)

Monthly import values over time

Geographic Breakdown

URANIUM ENRICHED IN U235 ETC. PLUTONIUM ETC.

HS 284420

$450.1M

NATURAL URANIUM & COMPOUNDS, ALLOYS & CERAMICS ETC

HS 284410

$242.8M

ANHYDROUS AMMONIA

HS 281410

$116.5M

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Frequently Asked Questions

Are there any special import controls on potassium nitrate due to its use as an oxidizer?

Potassium nitrate is a recognized oxidizer and may be subject to end-use controls or documentation requirements under US regulations when destined for certain applications. Importers should review applicable Commerce Department and ATF requirements and consult a licensed customs broker to ensure full compliance.

What countries account for the largest share of US potassium nitrate imports?

Chile is the primary supplier, historically linked to its natural caliche nitrate deposits. Israel and Germany are the next largest sources, followed by Jordan and France.