Arsenic acid

Drug ingredient

CAS 7778-39-4

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

US production233.0K lb

Import volumeZero

Import dependency0%

Top sourceNo public record

Production is reported production, not a complete census of factories. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 281119 · basket

EPA reports by year

2019: US production 233.0K lb · Imports Zero

HS customs code 281119 covers 30 tracked chemicals in total. US Census does not break out this chemical's share, so the country-of-origin mix is not available. EPA CDR reports import dependency at the chemical level separately, shown above.

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.

Koppers

1 FDA-registered drug labeler

BioActive Nutritional, Inc.

Why It Matters

Sectors

Health

Downstream Uses

Appears in 1 drug and cosmetic product listings (FDA).

•V Force HP

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

Chemical Identity

CAS7778-39-4

PubChem CID234

DTXSIDDTXSID1034341

FormulaAsH3O4

Mol. Weight141.943 g/mol

SMILESO[As](=O)(O)O

Data Sources

EPA CompTox (DSSTox) · DTXSID1034341Retrieved 2026-04-06
PubChem · compound 234Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
FDA National Drug Code directoryRetrieved 2026-04-07

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Brief citations

Arsenic acid (CAS 7778-39-4) https://chemicalindependence.com/chemical/7778-39-4/ EPA CompTox (DSSTox): DTXSID1034341. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1034341 PubChem: 234. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/234 EPA Chemical Data Reporting: 7778-39-4. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: CAS 7778-39-4. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/