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SITCSection 5
U.S. imports of chlorine (SITC 52224) totaled $10.0M in April 2026, traded with 7 countries.
Importers of Chlorine paid $21K in duties in April 2026 — an effective duty rate of 10% on $212K in dutiable value, based on actual customs collections rather than the published tariff schedule. Chlorine imports of $10.0M in April 2026 ran 12% above the year-to-date monthly average of $8.9M.
Last updated: April 2026 dataElemental chlorine, traded primarily as a liquefied gas, is a foundational industrial chemical used in PVC production, water treatment, and the synthesis of a broad range of organic and inorganic compounds. As a highly toxic substance, chlorine imports are subject to stringent DOT hazardous materials transport regulations and EPA Risk Management Program requirements at receiving facilities. Because chlorine is typically produced close to its point of use due to handling hazards, cross-border trade volumes are relatively limited and tend to reflect regional supply imbalances rather than global commodity flows.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Chlorine's extreme toxicity and the hazards associated with transporting it as a liquefied gas under pressure make long-distance shipment costly and risky. Most producers locate chlorine plants adjacent to major consuming industries, so international trade typically occurs only when regional production is disrupted or when specific grades are unavailable locally.
Importers must comply with DOT hazardous materials regulations covering container certification, placarding, and emergency response information. EPA may require facility-level Risk Management Plans if chlorine is stored above threshold quantities. A TSCA import certification is also typically required, confirming the substance complies with applicable rules.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | $6.2M | $8K | -$6.2M |
| MEXICO | $3.6M | -- | -$3.6M |
| KOREA, SOUTH | $115K | -- | -$115K |
| COLOMBIA | $56K | -- | -$56K |
| ST LUCIA | -- | $45K | +$45K |