Tannic acid

CAS 1401-55-4

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

US productionCBI

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

Import value, 2024$9M

Top sourceItaly 64%

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 320190 · basket

EPA reports by year

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

These shares come from HS customs code 320190, which is a broad customs category that also covers chemicals outside this dataset. They estimate the category's origin mix, not this chemical specifically.

Source Countries

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

IT 64%ItalyBE 17%BelgiumSI 10%SloveniaCN 4%ChinaBR 2%Brazil

United Kingdom
Japan
Australia
Slovakia
Germany
Spain

Domestic parents -- activity not disclosed (4)

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

Nalco- An Ecolab

Polyventive

Schlumberger

Vibrantz Technologies

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.

Ultium Cells Holdings

Why It Matters

Sectors

EnergyElectronics

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

Used in 3 sectors as 3 functional roles.

•Flocculating agent in Oil and Gas Drilling, Extraction, and Support activitiesUse—non-incorporative activities
•Abrasives in Not Known or Reasonably Ascertainable (100%)Processing—incorporation into formulation, mixture, or reaction product
•Conductive agent in Electrical Equipment, Appliance, and Component Manufacturing (100%)Processing—incorporation into article

Chemical Identity

CAS1401-55-4

PubChem CIDNot recorded

DTXSIDDTXSID2026076

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID2026076Retrieved 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

Tannic acid (CAS 1401-55-4) https://chemicalindependence.com/chemical/1401-55-4/ EPA CompTox (DSSTox): DTXSID2026076. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2026076 EPA Chemical Data Reporting: 1401-55-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1401-55-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 320190 for CAS 1401-55-4. Reporting year: 2024. https://usatrade.census.gov/