Undecylenic Acid丨CAS 112-38-9

1. Pharmaceuticals and Dermatology
a. Antifungal Agent
● Undecylenic Acid丨CAS 112-38-9 is best known for its broad-spectrum antifungal activity, especially against Candida species.
● It is a key active ingredient in topical creams, powders, and ointments for treating:
oAthlete's foot
oRingworm
oJock itch
oSkin yeast infections
b. Skin Care and Hygiene
● Used in cosmetic formulations for its antimicrobial and odor-control properties.
● Included in foot powders, deodorants, and medicated soaps.

2. Cosmetic Industry
● As a skin-conditioning agent, Undecylenic Acid丨CAS 112-38-9 improves product texture and provides soothing effects.
● Its antimicrobial qualities make it ideal for acne treatments and anti-dandruff shampoos.
● Also used as a precursor for esters, which serve as emollients or fragrance compounds in personal care products.

3. Industrial and Chemical Applications
a. Polymer and Resin Synthesis
● Used as a monomer or functional additive in the production of specialty polymers, resins, and plasticizers, particularly where terminal unsaturation is beneficial for reactivity.
b. Intermediate in Organic Synthesis
● Serves as a chemical intermediate in the manufacture of:
oFlavors and fragrances
oSurfactants
oLubricants
oAgrochemicals

4. Flavors and Fragrances
● Though not directly used as a flavoring agent due to its strong fatty odor, esters derived from Undecylenic Acid丨CAS 112-38-9 are used in perfumes and flavor compounds due to their pleasant fruity scents.

5. Agriculture and Animal Care
● Investigated for use in veterinary antifungal formulations.
● Potential role as a natural fungicide in crop protection and grain storage systems.

1. Potent Antifungal Properties
● Highly effective against fungal infections, especially Candida albicans, making it a trusted topical therapeutic agent.
2. Naturally Derived
● Sourced from castor oil derivatives, offering a renewable and biodegradable option for pharmaceutical and industrial applications.
3. Versatility in Chemical Synthesis
● The terminal double bond allows for diverse chemical reactions, enabling synthesis of esters, surfactants, and functionalized polymers.
4. Low Toxicity and Mild Irritation
● Generally well-tolerated when used topically, especially when incorporated into formulated creams or ointments.
5. Cost-Effective
● Compared to other antifungal agents, Undecylenic Acid is relatively inexpensive and easy to formulate.

Conclusion
Undecylenic Acid丨CAS 112-38-9 is a versatile unsaturated fatty acid best known for its antifungal properties, especially in dermatological applications. Beyond its medicinal uses, it finds roles in cosmetics, flavor chemistry, and polymer industries thanks to its reactive structure and natural origin. As a safe, effective, and biodegradable compound, it remains a valuable ingredient in both therapeutic and industrial formulations.