# 3-methylbutyraldehyde

> Source URL: https://additivefacts.com/additives/3-methylbutyraldehyde
> Markdown URL: https://additivefacts.com/additives/3-methylbutyraldehyde.md

**Safety rating:** UNKNOWN
**CAS number:** 590-86-3
**Category:** flavoring
**FDA GRAS:** no
**Adverse events (FDA AERS):** 0
**FDA recalls:** 0
**Last updated:** 2026-04-02

## Summary

3-methylbutyraldehyde is an organic aldehyde compound used as a flavoring agent in food products. It imparts fruity and malty notes and is employed to create or enhance specific taste profiles in processed foods and beverages.

## 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 3-methylbutyraldehyde?

3-methylbutyraldehyde, also known as isovaleraldehyde or 3-methyl butanal, is a naturally occurring organic aldehyde with the CAS number 590-86-3. It is a volatile compound with a distinctive fruity, malty aroma that occurs naturally in small quantities in various foods and beverages, including fruits, grains, and fermented products. The compound consists of a four-carbon chain with a methyl branch and an aldehyde functional group, making it chemically reactive and aromatic.

## Common Uses

3-methylbutyraldehyde is primarily used in the food industry as a flavoring agent or flavoring adjuvant. It contributes fruity, apple-like, and malty notes to finished food products. This additive is used in beverages, confectionery, baked goods, dairy products, and other processed foods where fruity or grain-based flavor profiles are desired. The compound's volatility means it may be used in smaller quantities since its aromatic impact is relatively potent. Due to its natural occurrence in fermented products and fruits, it is sometimes considered a nature-identical flavoring ingredient.

## 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. "3-methylbutyraldehyde — Safety, regulation, and evidence." https://additivefacts.com/additives/3-methylbutyraldehyde. Accessed 2026-05-19.