Sulfite liquors and Cooking liquors, spent

CAS 66071-92-9

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.

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. US production volume is confidential. Production reporting year: 2023.

Where It Comes From

EPA reports by year

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

EPA-registered manufacturers (11)

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

Daelim · KR South Korea

Karta Halten Bv · NL Netherlands

Domtar

International Paper

Koch Industries

Show all 11

Kraton

Nippon Paper Industries Usa

Packaging Corp. Of America

Rayonier

Sappi Cloquet

Westrock

Domestic parents -- activity not disclosed (3)

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

Packaging Corporation Of America

Pixelle Specialty Solutions

Sonoco Products

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.

International Grand Investment Corporation (Igic)

Why It Matters

Sectors

ConstructionPaper & PrintingCore 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 3 sectors as 3 functional roles.

•Intermediate in All Other Basic Organic Chemical Manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product
•Intermediate in Paper Manufacturing (100%)Processing as a reactant
•Fuel in Paper Manufacturing (100%)Use—non-incorporative activities
•Intermediate in Wood Product Manufacturing (100%)Processing as a reactant
•Fuel agents in Paper Manufacturing (100%)Use—non-incorporative activities

Chemical Identity

CAS66071-92-9

PubChem CIDNot recorded

DTXSIDDTXSID5028297

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID5028297Retrieved 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

Sulfite liquors and Cooking liquors, spent (CAS 66071-92-9) https://chemicalindependence.com/chemical/66071-92-9/ EPA CompTox (DSSTox): DTXSID5028297. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5028297 EPA Chemical Data Reporting: 66071-92-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 66071-92-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting