Undecenoic Acid

Other Trading Names:

  • Undecylenic acid
  • Undecenoate
  • Undec-10-enoic acid

CAS Number: 112-38-9

HS Code: 29189990

Types of Packaging:

  • 30 Kg/ Gallon
  • 500 Kg/ Plastic Drum
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Availability: In stock
Undecenoic Acid

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Molecular Formula


Boiling Point

137 °C/2 mmHg (lit.)


0.912 g/mL at 25 °C (lit.)

Vapor Pressure

0.019 Pa at 20°C

Refractive Index

n20/D 1.449 (lit.)


300 °F



Chemical Description

  • Undecylenic acid is an important raw material in the synthesis of fragrances, such as perfumes like γ-undecalactone (also known as peach aldehyde), poly Cyclopentadecanolide, musk ketone, nonanal, and nonanol.
  • It is utilized as an antifungal drug for the treatment of skin mycosis, including athlete's foot and other fungal infections.
  • Undecylenic acid is used in the production of various personal care products, including soaps, shampoos, and skin creams, due to its antimicrobial properties.
  • It finds application in the pharmaceutical industry for its antifungal properties, contributing to medications and treatments.
  • Undecylenic acid is employed in cosmetics, particularly in makeup and skincare products, for its antimicrobial effects.
  • In the textile industry, it serves as a treatment agent for fabrics to impart antifungal properties, enhancing durability and hygiene.
  • Agriculture utilizes undecylenic acid as a biofungicide to protect crops from fungal infections, promoting plant health and yield.
  • Undecylenic acid is utilized in food preservation to inhibit the growth of molds and fungi, extending the shelf life of various food products.
  • It is incorporated into paints and coatings as an antimicrobial agent, providing protection against fungal growth on surfaces.
  • Undecylenic acid is employed in the production of industrial chemicals, including esters and derivatives, for various applications such as plasticizers and lubricants.
  • In the fragrance industry, it contributes to the creation of unique scents and aromas, enhancing the olfactory profile of perfumes and colognes.
  • Undecylenic acid is used in the formulation of household cleaning products, providing antimicrobial properties for disinfection and sanitation purposes.
  • Undecylenic acid is employed in the synthesis of specialty chemicals used in electronics manufacturing, such as solder fluxes and circuit board coatings.
  • It serves as a precursor for the production of polymer resins used in adhesives, sealants, and coatings for various industrial applications.
  • Undecylenic acid is utilized in the formulation of veterinary products, including antifungal treatments for animals suffering from fungal infections.
  • In the leather industry, it is used as a fungicide in leather processing to prevent the growth of mold and fungi during tanning and finishing processes.
  • Undecylenic acid finds application in the production of personal hygiene products, such as feminine hygiene washes and wipes, for its antimicrobial properties and mildness on the skin.


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Undecenoic Acid