# Benzyl Acetoacetate

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**Safety rating:** UNKNOWN
**CAS number:** 5396-89-4
**Category:** flavoring
**FDA GRAS:** no
**Adverse events (FDA AERS):** 0
**FDA recalls:** 0
**Last updated:** 2026-04-02

## Summary

Benzyl acetoacetate is an organic compound used as a flavoring agent and flavor enhancer in the food industry. It contributes fruity and sweet aromatic notes to food and beverage products.

## 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 Benzyl Acetoacetate?

Benzyl acetoacetate (CAS Number: 5396-89-4) is an organic ester compound belonging to the class of synthetic flavoring substances. It is characterized by a molecular structure that combines benzyl alcohol with acetoacetic acid functionality, creating a volatile compound with distinctive fruity aromatic properties. This chemical is manufactured through synthetic processes for use exclusively in food flavoring applications.

## Common Uses

Benzyl acetoacetate is employed in the food and beverage industry primarily as a flavoring agent and flavor enhancer. Its typical applications include:

- Confectionery and candy products
- Beverages (soft drinks, juices, and flavored waters)
- Baked goods and desserts
- Dairy products including yogurts and flavored milk
- Processed snack foods

The compound is valued for its ability to impart fruity and sweet notes with relatively low usage levels. As with most synthetic flavoring compounds, it is used in very small quantities to achieve the desired sensory profile in final food products.

## Safety Assessment

Benzyl acetoacetate has not been evaluated for GRAS (Generally Recognized as Safe) status by the FDA, meaning it has not undergone the formal GRAS notification process. However, the absence of an approved GRAS status does not indicate safety concerns. Rather, it reflects that this particular flavoring compound may have limited commercial use in the United States or that manufacturers have not pursued formal GRAS designation.

Significantly, there are zero reported adverse events associated with benzyl acetoacetate in the FDA database, and no product recalls have been linked to this ingredient. This absence of documented safety issues is noteworthy, particularly given the extensive post-market surveillance systems in place within the food industry and regulatory agencies.

The compound belongs to a broader category of acetoacetate esters that have been studied for various applications. Available toxicological data on structurally related compounds suggests that properly manufactured and used flavoring esters in this chemical family are generally of low toxicological concern when used at typical flavoring levels.

## Regulatory Status

In the United States, benzyl acetoacetate is not listed on the FDA's GRAS list of flavoring substances. However, this does not prohibit its use. The FDA regulates flavoring substances through a combination of mechanisms:

1. The GRAS list (substances explicitly affirmed as safe)
2. The Flavor and Extract Manufacturers' Association (FEMA) GRAS list
3. Substances approved through food additive petitions
4. Traditional use provisions for substances with a history of safe use

Regulatory agencies in other countries, including the European Food Safety Authority (EFSA), may classify this substance differently based on their own risk assessment frameworks and available scientific data. Manufacturers using this ingredient in different jurisdictions should verify compliance with local regulations, as requirements vary significantly between regions.

## Key Studies

Benzyl acetoacetate has not been the subject of extensive published safety studies in peer-reviewed literature, which is not unusual for flavoring compounds used at very low concentrations. Safety assessments for such compounds typically rely on:

- Structure-activity relationship (SAR) analysis comparing the compound to similar approved flavoring substances
- General toxicological data for acetoacetate ester compounds
- Manufacturing and purity specifications
- Usage level data and dietary exposure estimates

The lack of adverse events and recalls in the FDA database, combined with the compound's chemical similarity to other established flavoring esters, suggests adequate margins of safety at typical use levels. Further formal safety studies would provide additional characterization of this ingredient's toxicological profile, though the current available evidence does not indicate significant concerns.

## 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. "Benzyl Acetoacetate — Safety, regulation, and evidence." https://additivefacts.com/additives/benzyl-acetoacetate. Accessed 2026-05-19.