arsenic trichloride

Drug ingredient

CAS 7784-34-1

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

Molecular structure of 7784-34-1
US productionNot reported
Import value, 2024$18M
Top sourceGermany 85%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

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

Where It Comes From

Customs basis: HS 281219 · basket

These shares come from HS customs code 281219, which covers 12 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
DE 85%GermanyKR 7%South KoreaJP 6%JapanIN 1%India
1 FDA-registered drug labeler
Hahnemann Laboratories, Inc.

Why It Matters

Sectors
Health
Downstream Uses

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

  • •Arsenicum Muriaticum
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS7784-34-1
PubChem CID24570
DTXSIDDTXSID3042556
FormulaAsCl3
Mol. Weight181.28 g/mol
SMILESCl[As](Cl)Cl

Data Sources

Brief citations

arsenic trichloride (CAS 7784-34-1) https://chemicalindependence.com/chemical/7784-34-1/ PubChem: 24570. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/24570 EPA TSCA Inventory: CAS 7784-34-1. Retrieved 2026-04-24. https://www.epa.gov/tsca-inventory FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 281219 for CAS 7784-34-1. Reporting year: 2024. https://usatrade.census.gov/