potassium arsenite anhydrous

Drug ingredient

CAS 13464-35-2

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

Molecular structure of 13464-35-2 — 1 K⁺

US productionNot reported

Import value, 2024$32M

Top sourceChina 39%

EPA lists this chemical as inactive, meaning no company reported making, importing or processing it in the US from 2006 to 2016.

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 284290 · basket

These shares come from HS customs code 284290, which covers 96 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

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

CN 39%ChinaDE 33%GermanyCA 9%CanadaGB 4%United KingdomJP 3%Japan

Taiwan
Colombia
Mexico
Denmark
Belgium
Sweden
Switzerland
Italy
Poland
Czech Republic
Armenia

6 FDA-registered drug labelers

Bestmade Natural Products

Boiron

Deseret Biologicals, Inc.

DNA Labs, Inc.

Silver Star Brands

Vitality Works, Inc.

Why It Matters

Sectors

Health

Downstream Uses

Appears in 10 drug and cosmetic product listings (FDA).

•Bestmade Natural Products BM168
•Kali arsenicosum
•NRV-Systemic
•Stress Away Anxiety Relief
•Sweep
•Bestmade Natural Products BM63
•D-64
•Bestmade Natural Products BM93

Show all 10

•Cal-5-Revive
•Viril

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

CAS13464-35-2

PubChem CID23668346

DTXSIDDTXSID10274159

FormulaAsKO2

Mol. Weight146.019 g/mol

SMILES[O-][As]=O.[K+]

Data Sources

PubChem · compound 23668346Retrieved 2026-04-07
EPA TSCA InventoryRetrieved 2026-04-24
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

potassium arsenite anhydrous (CAS 13464-35-2) https://chemicalindependence.com/chemical/13464-35-2/ PubChem: 23668346. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/23668346 EPA TSCA Inventory: CAS 13464-35-2. 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 284290 for CAS 13464-35-2. Reporting year: 2024. https://usatrade.census.gov/