Benzoic acid, barium salt (2:1)

CAS 533-00-6

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

Molecular structure of 533-00-6 — 1 Ba²⁺

US productionCBI

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

Import value, 2024$89M

Top sourceEstonia 32%

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. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 291631 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Zero

These shares come from HS customs code 291631, which covers 55 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).

EE 32%EstoniaCN 30%ChinaNL 21%NetherlandsIT 5%ItalyIN 4%India

Germany
Malaysia
Switzerland
South Korea
Indonesia
Japan
Israel
Taiwan

Domestic parents -- activity not disclosed (1)

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

Polymer Additves

EPA-registered importers (1)

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

Basstech International

Why It Matters

Sectors

Plastics & Rubber

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 FDA shortage records

Industrial Uses

•Heat stabilizer in Plastics Product ManufacturingProcessing—incorporation into article

Chemical Identity

CAS533-00-6

PubChem CID160513

DTXSIDDTXSID60890500

FormulaC14H10BaO4

Mol. Weight379.55 g/mol

SMILESC1=CC=C(C=C1)C(=O)[O-].C1=CC=C(C=C1)C(=O)[O-].[Ba+2]

Data Sources

EPA CompTox (DSSTox) · DTXSID60890500Retrieved 2026-04-06
PubChem · compound 160513Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Benzoic acid, barium salt (2:1) (CAS 533-00-6) https://chemicalindependence.com/chemical/533-00-6/ EPA CompTox (DSSTox): DTXSID60890500. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID60890500 PubChem: 160513. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/160513 EPA Chemical Data Reporting: 533-00-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 533-00-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291631 for CAS 533-00-6. Reporting year: 2024. https://usatrade.census.gov/