# Acrylamide-acrylic Acid Resin

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**Safety rating:** UNKNOWN
**CAS number:** 9003-06-9
**Category:** flavoring
**FDA GRAS:** no
**Adverse events (FDA AERS):** 0
**FDA recalls:** 0
**Last updated:** 2026-04-02

## Summary

Acrylamide-acrylic acid resin is a synthetic polymer used as a flavoring agent and surface-finishing agent in food applications. It is not approved as GRAS (Generally Recognized As Safe) by the FDA and has limited regulatory acceptance in food systems.

## Regulatory status

| Country | Status |
| --- | --- |
| United States | approved |
| European Union | not_evaluated |
| United Kingdom | not_evaluated |
| Canada | not_evaluated |
| Australia | not_evaluated |
| Japan | not_evaluated |
| South Korea | not_evaluated |
| Brazil | not_evaluated |
| China | not_evaluated |
| India | not_evaluated |

## Detailed analysis

## What is Acrylamide-acrylic Acid Resin?

Acrylamide-acrylic acid resin (CAS Number 9003-06-9) is a synthetic copolymer created from acrylamide and acrylic acid monomers. This resin belongs to a class of polymeric compounds used in industrial and food applications. The polymer is formed through radical polymerization of these two monomers, resulting in a cross-linked or linear macromolecular structure depending on formulation parameters.

## Common Uses

In food applications, acrylamide-acrylic acid resin functions primarily as a flavoring agent adjuvant and surface-finishing agent. These polymeric resins may be used in food processing to modify texture, improve sensory characteristics, or provide surface coating properties. However, the specific food applications for this particular resin are limited due to its regulatory status. It may be encountered in specialized food formulations or as a processing aid in certain jurisdictions where it has been approved for such uses.

## Safety Assessment

The safety profile of acrylamide-acrylic acid resin is not comprehensively established in food regulatory frameworks. The FDA has not designated this substance as GRAS, indicating insufficient evidence or submission for the agency to confirm its safety for intended food uses. It is important to distinguish between acrylamide-acrylic acid resin (a polymer) and acrylamide monomer, which is a known concern in food safety due to its formation during high-temperature cooking of carbohydrate-rich foods.

As a polymeric substance, acrylamide-acrylic acid resin would theoretically present lower bioavailability than free acrylamide monomer, since large molecular weight polymers are poorly absorbed through the gastrointestinal tract. However, the absence of FDA GRAS status reflects that formal safety data supporting food use has not been adequately submitted or evaluated.

No adverse events have been reported to the FDA concerning this additive, and no recalls involving this substance have been issued. This absence of reported incidents does not necessarily indicate safety but may reflect limited use in FDA-regulated food products.

## Regulatory Status

In the United States, acrylamide-acrylic acid resin is not approved for food use under FDA regulations. It is not listed as a GRAS substance, meaning it cannot be legally used in food without an approved Food Additive Petition or being marketed under claims of prior sanctioned use.

The European Food Safety Authority (EFSA) and other international regulatory bodies have not established extensive safety evaluations specifically for this resin in food applications. Different countries maintain varying approval statuses for polymeric additives, and this substance may have limited or no approval in most major food markets.

For use in any food application, manufacturers would need to either obtain explicit FDA approval through a Food Additive Petition or demonstrate prior sanction. The lack of GRAS status and limited regulatory approval indicates this is not a commonly accepted food ingredient in mainstream food manufacturing.

## Key Studies

Limited peer-reviewed literature specifically addresses the safety of acrylamide-acrylic acid resin in food systems. Most toxicological research on acrylamide-related compounds focuses on acrylamide monomer rather than its polymeric derivatives. General toxicology data on acrylic polymers suggests that large molecular weight polymers present minimal systemic toxicity due to poor absorption, but specific long-term food safety studies on this particular resin formulation appear absent from published regulatory dossiers.

Any manufacturer considering use of this substance would need to conduct or provide appropriate toxicological testing, including acute and chronic toxicity studies, genotoxicity assessment, and dietary exposure analysis to support regulatory approval.

## Sources

- FDA Substances Added to Food (CFSAN)
- OpenFDA Adverse Event Reporting System (AERS)
- OpenFDA Food Recalls
- EFSA OpenFoodTox
- EU Food Additive Portal

## Citation

Additive Facts. "Acrylamide-acrylic Acid Resin — Safety, regulation, and evidence." https://additivefacts.com/additives/acrylamide-acrylic-acid-resin. Accessed 2026-05-19.