Chlorine Imports to the U.S., 2026 — $10.0M from 7 Countries

HS 280110

Chlorine

U.S. imports of chlorine (HS 280110) totaled $10.0M in April 2026, traded with 7 countries.

Last updated: April 2026 data

Elemental chlorine, classified under a single tariff line (2801100000), is a foundational industrial chemical used in water treatment, PVC and chlorinated solvent production, and pharmaceutical synthesis. Canada and Mexico are the leading foreign suppliers to the US market, with the Dominican Republic, South Korea, and Colombia also contributing to import volumes. Chlorine is a hazardous material subject to EPA and DOT transport regulations, and importers must comply with Toxic Substances Control Act (TSCA) certification requirements at entry in addition to standard CBP procedures.

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Imports

$10.0M

from 7 countries · YTD: $35.5M

Exports: $202K

Deficit of $9.8M (net importer)

Trade balance: deficit of $9.8M (net importer)

YTD: $35.5M imported (April 2026)

263 shipments/month

Top Import Sources

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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

ALLOYS, DISPERSIONS,ISOTOPES & COMPOUNDS NES

HS 284443

$54.0M

ALUMINUM OXIDE, EXCEPT ARTIFICIAL CORUNDUM, NESOI

HS 281820

$44.6M

SULFURIC ACID; OLEUM

HS 280700

$34.8M

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Frequently Asked Questions

What regulatory requirements apply to importing elemental chlorine into the US?

Importers must submit a TSCA certification (either a positive certification that the shipment complies with TSCA, or a negative certification that it is not subject to TSCA) at entry. Chlorine is also a hazardous material governed by DOT pipeline and hazmat transport regulations, and EPA may require additional reporting depending on quantity and use.

Which countries are the top foreign sources of chlorine imported into the US?

Canada and Mexico are the primary suppliers, benefiting from geographic proximity and integrated North American chemical supply chains. The Dominican Republic, South Korea, and Colombia are also recorded sources.

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Import Trend (12 months)

Geographic Breakdown

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Import Trend (12 months)

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