Iodine

CAS 7553-56-2

U.S. production volumes are classified as confidential business information.

US productionCBI

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

Import value, 2024$215M

Top sourceChile 88%

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. US production volume is confidential. Production reporting year: 2023.

Where It Comes From

Customs basis: HS 280120 · exact

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

Source Countries

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

CL 88%ChileJP 12%Japan

Canada
India
Germany
China

EPA-registered manufacturers (1)

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

Woodward Iodine

Domestic parents -- activity not disclosed (3)

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

Chemours

Iofina

Iofina Resources

EPA-registered importers (2)

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

Sociedad Quimica Y Minera S A · CL Chile

Sqm North America

Why It Matters

Sectors

HealthMetals & MiningTextilesCore Chemicals

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 5 sectors as 3 functional roles.

•Soil amendments (fertilizers) in Miscellaneous Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Plating agent in Pharmaceutical and Medicine Manufacturing (52%)Processing as a reactant
•Intermediate in All Other Basic Inorganic Chemical Manufacturing (70%)Processing as a reactant
•Intermediate in Synthetic Dye and Pigment Manufacturing (1%)Processing as a reactant
•Intermediate in All Other Chemical Product and Preparation Manufacturing (95%)Processing as a reactant

Chemical Identity

CAS7553-56-2

PubChem CID807

DTXSIDDTXSID7034672

FormulaI2

Mol. Weight253.8089 g/mol

SMILESII

Data Sources

EPA CompTox (DSSTox) · DTXSID7034672Retrieved 2026-04-06
PubChem · compound 807Retrieved 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

Iodine (CAS 7553-56-2) https://chemicalindependence.com/chemical/7553-56-2/ EPA CompTox (DSSTox): DTXSID7034672. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7034672 PubChem: 807. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/807 EPA Chemical Data Reporting: 7553-56-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: CAS 7553-56-2. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 280120 for CAS 7553-56-2. Reporting year: 2024. https://usatrade.census.gov/