# Benzyl Butyrate

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**Safety rating:** SAFE
**CAS number:** 103-37-7
**Category:** flavoring
**FDA GRAS:** no
**Adverse events (FDA AERS):** 0
**FDA recalls:** 0
**Last updated:** 2026-04-02

## Summary

Benzyl butyrate is a naturally occurring organic compound used as a flavoring agent in food products. It provides fruity, apple-like aroma characteristics and is commonly utilized in beverages, confectionery, and processed foods to enhance flavor profiles.

## Regulatory status

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

## Detailed analysis

## What is Benzyl Butyrate?

Benzyl butyrate (CAS Number: 103-37-7) is an ester compound composed of benzyl alcohol and butyric acid. It occurs naturally in various fruits and fermented products, contributing to their characteristic fruity aromas. The compound is a clear, colorless to pale yellow liquid with a pleasant fruity odor. In food applications, benzyl butyrate functions as a synthetic flavoring agent designed to replicate or enhance natural fruit flavors, particularly apple and strawberry notes.

## Common Uses

Benzyl butyrate is employed in the food and beverage industry primarily as a flavoring agent in:

- Soft drinks and beverages
- Confectionery products
- Baked goods
- Dairy products
- Processed snacks and desserts
- Flavor formulations for alcoholic beverages

The compound is typically used in very small concentrations, measured in parts per million (ppm), to achieve desired sensory characteristics without affecting the product's nutritional profile or stability.

## Safety Assessment

Benzyl butyrate has not been formally reviewed and approved by the FDA as a Generally Recognized as Safe (GRAS) substance, though it is used in food flavoring applications in various jurisdictions. The absence of FDA GRAS status does not indicate the substance is unsafe; rather, it reflects the regulatory pathway chosen by manufacturers. No adverse events have been reported to the FDA regarding benzyl butyrate, and no product recalls involving this ingredient have been issued by the agency.

The European Food Safety Authority (EFSA) has evaluated esters, including butyrate esters, as flavor compounds. Butyric acid and benzyl alcohol, the component compounds of benzyl butyrate, are generally recognized as safe in their individual forms at typical usage levels. Benzyl butyrate's toxicity profile appears to be favorable based on available chemical safety data, with no known carcinogenic, mutagenic, or reproductive hazards at levels used in food.

Like all food additives, the safety of benzyl butyrate depends on exposure levels. The estimated daily intake from flavoring agents in food is typically very low, remaining well below thresholds of concern established by regulatory bodies.

## Regulatory Status

Benzyl butyrate's regulatory standing varies internationally:

- **United States**: Not on the FDA GRAS list; however, it may be used as a flavoring agent under FDA regulations for synthetic flavoring substances (21 CFR 182.60) when properly used and meeting purity standards.
- **European Union**: Classified as a food flavoring and included in the EU list of flavoring substances (EC 1334/2008).
- **Japan and other markets**: Approved for use as a flavoring agent.

Manufacturers using benzyl butyrate must comply with purity specifications, labeling requirements, and maximum use levels established in their respective regulatory jurisdictions. Food products containing this ingredient must declare it appropriately in ingredient lists.

## Key Studies

While comprehensive published toxicological studies specifically on benzyl butyrate are limited in the public domain, the safety assessment is informed by:

1. Chemical structure and metabolism data indicating rapid degradation in the gastrointestinal tract
2. The established safety profile of butyric acid, commonly found in foods like butter and cheese
3. Benzyl alcohol's recognition as a food-grade substance
4. International flavor and extract manufacturers' associations (FEMA GRAS) evaluations of similar ester compounds
5. Absence of adverse event reports over decades of use in flavoring applications

The compound's use in food flavoring represents a well-established application with no identified safety concerns at current usage levels.

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