# 10-undecenal

> Source URL: https://additivefacts.com/additives/10-undecenal
> Markdown URL: https://additivefacts.com/additives/10-undecenal.md

**Safety rating:** UNKNOWN
**CAS number:** 112-45-8
**Category:** flavoring
**FDA GRAS:** no
**Adverse events (FDA AERS):** 0
**FDA recalls:** 0
**Last updated:** 2026-04-04

## Summary

10-Undecenal is a naturally-occurring organic compound with a fatty, citrus-like aroma used as a flavoring agent in food products. It is not currently approved by the FDA as GRAS (Generally Recognized as Safe), though no adverse events or recalls have been associated with its use.

## Regulatory status

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

## Detailed analysis

## What is 10-Undecenal?

10-Undecenal (CAS Number: 112-45-8) is an aliphatic aldehyde with 11 carbon atoms and one double bond. It is a volatile organic compound that naturally occurs in various plants and fruits, contributing to their characteristic aromas. The compound has a fatty, slightly citrus-like odor profile and belongs to the broader class of flavor compounds known as alkenals. Its molecular structure consists of a straight-chain hydrocarbon backbone with a terminal aldehyde group and an internal double bond, making it chemically stable under typical food processing conditions.

## Common Uses

10-Undecenal is used as a flavoring agent and flavor adjuvant in the food industry, where it contributes to the sensory profile of various products. It may be incorporated into beverages, confectionery, baked goods, and other processed foods to enhance or modify flavor characteristics. As a naturally-derived compound found in foods, it is sometimes used in formulations designed to create or mimic natural flavor profiles. The compound's aromatic properties make it valuable in creating complex flavor blends, though its use remains limited compared to more widely approved flavoring agents.

## 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. "10-undecenal — Safety, regulation, and evidence." https://additivefacts.com/additives/10-undecenal. Accessed 2026-05-20.