Preservatives & Biocides
REACH
Ethyl butylacetylaminopropionate
CAS Number
52304-36-6
EC Number
257-835-0
Abbreviation
BAAPE
Industries: Personal Care & Cosmetics
What is Ethyl butylacetylaminopropionate?
Ethyl butylacetylaminopropionate (CAS 52304-36-6), abbreviated BAAPE, is a synthetic insect repellent active used as an alternative to DEET. Also marketed as Quwenzhi.
Where is Ethyl butylacetylaminopropionate used?
- Personal care: lotions, sprays and wipes where low skin irritation and cosmetic compatibility matter
- Agricultural and outdoor protection: pump sprays and impregnation treatments for clothing and gear against mosquito and tick exposure
- Home care and industrial cleaning: household insect repellent sprays and surface treatments
- Emulsion-compatible formats allow slow-release or encapsulated delivery in personal and environmental protection products.
Good to know: Functions by masking or blocking the chemical cues biting insects use to locate hosts, without the aggressive solvent behavior of older actives.
Commercial specifications
- Technical grade, typically 95% or higher active
- Bulk in drums or IBC containers; smaller packaging for formulation development
Other Names (Synonyms)
ethyl 3-(N-butylacetamido)propanoate|Quwenzhi|Ethyl 3-(N-butylacetamido)propionate|Ethyl N-acetyl-N-butyl-beta-alaninate|ethyl 3-[acetyl(butyl)amino]propanoate|65GQA237EH|β-Alanine, N-acetyl-N-butyl-, ethyl ester|3-[(N-Butyl-N-acetyl)amino]propionic acid ethyl ester|BAAPE
What are the physical properties of Ethyl butylacetylaminopropionate?
Melting Point <-20°
Boiling Point bp0.2 108-110°; bp0.5 126-127°
Density 0.987±0.06 g/cm3(Predicted)
Flash Point 318°F (159°C)
Color Colourless
Form Oil
Refractive Index nD20 1.452-1.455
Log P 1.650 (est)
How is Ethyl butylacetylaminopropionate classified and handled safely? Learn More
Warning
GHS07· Irritant
Hazard Statements
H319 Causes serious eye irritation
H402 Harmful to aquatic life
Precautionary Statements
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P501 Dispose of contents/container in accordance with local regulations.
P264+P265 Wash … thoroughly after handling.
P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Which trade and regulatory codes apply to Ethyl butylacetylaminopropionate?
HS Code 29241990