Tannins, ammonium salts

CAS 71631-09-9

Used in 1 industrial sector tracked by the EPA.

US production55.8K lb

Import volumeCBI

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

Top sourceNo public record

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. Production reporting year: 2023.

Where It Comes From

EPA reports by year

2023: US production 55.8K lb · Imports Confidential
2019: US production Confidential · Imports Confidential

EPA-registered manufacturers (1)

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

Dober Chemical

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.

Snf Holding

Why It Matters

Sectors

Core Chemicals

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 2 sectors as 2 functional roles.

•Flocculating agent in Not Known or Reasonably Ascertainable (100%)Use—non-incorporative activities
•Flocculating agent in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Tanning agents not otherwise specified in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS71631-09-9

PubChem CIDNot recorded

DTXSIDDTXSID50104067

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID50104067Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

Tannins, ammonium salts (CAS 71631-09-9) https://chemicalindependence.com/chemical/71631-09-9/ EPA CompTox (DSSTox): DTXSID50104067. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID50104067 EPA Chemical Data Reporting: 71631-09-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 71631-09-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting