Arsenic

CAS 7440-38-2

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

As74.9 g/mol

no molecular structure to draw

US productionCBI

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

Import value, 2024$1M

Top sourceChina 38%

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 280480 · 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).

CN 38%ChinaJP 21%JapanDE 21%GermanyCL 20%ChileKR 1%South Korea

EPA-registered manufacturers (3)

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

Ecobat

Edison Group Companies

P Kay Metal-Lewiston

Domestic parents -- activity not disclosed (2)

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

Rio Tinto America

Trafigura Trading

EPA-registered importers (3)

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

Crown Battery Manufacturing

East Penn Manufacturing

Tms International

Why It Matters

Sectors

AgricultureEnergyElectronicsMetals & MiningConsumer ProductsCore 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 Shortage

Industrial Uses

Used in 4 sectors as 5 functional roles.

•Flux agent in Oil and Gas Drilling, Extraction, and Support activities (2%)Processing—incorporation into formulation, mixture, or reaction product
•Hardener in Electrical Equipment, Appliance, and Component Manufacturing (100%)Processing—incorporation into article
•Intermediate in Primary Metal Manufacturing (100%)Processing—incorporation into article
•Fuel agents in Petroleum Refineries (100%)Processing—incorporation into formulation, mixture, or reaction product
•Alloys in Primary Metal Manufacturing (1%)Use—non-incorporative activities

Chemical Identity

CAS7440-38-2

PubChem CID5359596

DTXSIDDTXSID4023886

FormulaAs

Mol. Weight74.92159 g/mol

SMILES[As]

Data Sources

EPA CompTox (DSSTox) · DTXSID4023886Retrieved 2026-04-06
PubChem · compound 5359596Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
FDA Drug ShortagesRetrieved 2026-06-13
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Arsenic (CAS 7440-38-2) https://chemicalindependence.com/chemical/7440-38-2/ EPA CompTox (DSSTox): DTXSID4023886. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4023886 PubChem: 5359596. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/5359596 EPA Chemical Data Reporting: 7440-38-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA Drug Shortages: CAS 7440-38-2. Retrieved 2026-06-13. https://www.accessdata.fda.gov/scripts/drugshortages/ US Census international trade: HS 280480 for CAS 7440-38-2. Reporting year: 2024. https://usatrade.census.gov/