potassium oxalate

Drug ingredient

CAS 583-52-8

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

US productionNot reported

Import value, 2024$11M

Top sourceSpain 45%

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 291711 · basket

These shares come from HS customs code 291711, which covers 29 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).

ES 45%SpainCN 25%ChinaIN 10%IndiaTW 6%TaiwanIT 6%Italy

Belgium
Switzerland
Japan

2 FDA-registered drug labelers

Hahnemann Laboratories, INC.

NaturalCare

Why It Matters

Sectors

Health

Downstream Uses

Appears in 2 drug and cosmetic product listings (FDA).

•Kali Oxalicum
•Buffer pH

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

Vendor Pricing

$0.78/gCombi-Blocks, Inc.

CountryUnited States

Pack$390.00 / 500 g

Purity99%

Vendors11 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

10 more vendors

Vendor	Country	$/g	Pack	Purity
Aaron Chemicals LLC	Hong Kong	$1.04	500 g	98%
Angene Chemical	China → Hong Kong	$1.12	500 g	98%
A2B Chem LLC	United States	$1.12	100 g	98%
AA BLOCKS	United States	$1.36	100 g	98%
Chemscene	United States	$1.59	100 g	—
BLD Pharmatech Ltd.	China	$1.92	25 g	95%
MedChemExpress MCE	Sweden	$1.98	100 g	—
AstaTech (2 weeks)	United States	$2.07	100 g	95%
Fluorochem EU	Germany	$2.37	25 g	98%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS583-52-8

PubChem CID11413

DTXSIDDTXSID6060393

FormulaC2K2O4

Mol. Weight166.22 g/mol

SMILESC(=O)(C(=O)[O-])[O-].[K+].[K+]

Data Sources

PubChem · compound 11413Retrieved 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 oxalate (CAS 583-52-8) https://chemicalindependence.com/chemical/583-52-8/ PubChem: 11413. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/11413 EPA TSCA Inventory: CAS 583-52-8. 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 291711 for CAS 583-52-8. Reporting year: 2024. https://usatrade.census.gov/