Rosin, reaction products with formaldehyde

CAS 91081-53-7

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$41M

Top sourceBrazil 45%

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 380690 · basket

EPA reports by year

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

These shares come from HS customs code 380690, which covers 7 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).

BR 45%BrazilMX 15%MexicoCN 12%ChinaBE 11%BelgiumNL 8%Netherlands

Japan
Taiwan
South Africa
Greece
Norway

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.

Plasmine Technology

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.

Harima Usa

EPA-registered importers (2)

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

Teckrez

Uzin Utz North America

Why It Matters

Sectors

ConstructionPlastics & RubberPaper & Printing

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 2 functional roles.

•Adhesives and sealant chemicals in Adhesive Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Adhesion/cohesion promoter in Printing Ink Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Adhesion/cohesion promoter in Printing and Related Support Activities (100%)Processing—incorporation into article

Chemical Identity

CAS91081-53-7

PubChem CIDNot recorded

DTXSIDDTXSID20108815

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID20108815Retrieved 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

Rosin, reaction products with formaldehyde (CAS 91081-53-7) https://chemicalindependence.com/chemical/91081-53-7/ EPA CompTox (DSSTox): DTXSID20108815. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID20108815 EPA Chemical Data Reporting: 91081-53-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 91081-53-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 380690 for CAS 91081-53-7. Reporting year: 2024. https://usatrade.census.gov/