Back to Ingredient Dictionary

ETHYL BUTYLACETYLAMINOPROPIONATE

Description

Ethyl Butylacetylaminopropionate, also known as IR3535, is a synthetic insect repellent widely used in skincare and personal care products. This compound belongs to the class of β-alanine derivatives and was developed as an alternative to DEET. Its molecular structure allows for effective repellency against various insects, including mosquitoes, ticks, and biting flies.

The ingredient is characterized by its low toxicity profile and favorable safety record, making it suitable for use in a wide range of formulations. Ethyl Butylacetylaminopropionate is colorless, odorless, and non-greasy, which contributes to its excellent cosmetic acceptability. It is typically incorporated at concentrations ranging from 10% to 20% in consumer products.

Studies have shown that Ethyl Butylacetylaminopropionate provides protection for up to 8 hours, depending on the formulation and environmental conditions. Its mechanism of action involves interfering with insects' olfactory receptors, effectively masking human scent cues. The compound is stable in various pH ranges and compatible with common cosmetic ingredients, allowing for versatile product development. Additionally, Ethyl Butylacetylaminopropionate has been approved for use in many countries, including the United States and European Union, further attesting to its safety and efficacy as an insect repellent in skincare applications.