CanCastorGlobal Chemical Sourcing • Bulk Distribution
Undecylenic Acid
castor oil derivative

Technical Specifications

OriginCastor-oil derivative
Purity≥98%
Density0.91–0.92 g/cm³ @ 20°C
Acid ValueCorresponds to theoretical
AppearanceColorless to pale yellow liquid
CAS Number112-38-9
Boiling Point254–255 °C

Undecylenic Acid

Grade:High Purity / USP
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Industrial Application & Description

Undecylenic Acid is a high-purity, organic unsaturated fatty acid derived from castor oil through thermal cracking. It appears as a colorless to pale yellow liquid or low-melting solid with a characteristic odor.

Key Applications

  • Pharmaceuticals: Widely used as an active ingredient in antifungal formulations for treating skin infections like athlete's foot (tinea pedis) and ringworm, due to its ability to inhibit fungal growth and biofilm formation.
  • Polymers & Plastics: Serves as a crucial chemical intermediate and precursor for the production of Nylon-11 (Polyamide 11), a high-performance engineering bio-plastic known for its durability and flexibility.
  • Personal Care: Used in cosmetics, perfumes, and musk formulations as a fixative and intermediate.
  • Industrial: Acts as a raw material for specialty chemicals, corrosion inhibitors, and lubricants.

Our Undecylenic Acid is produced from renewable castor oil, making it a sustainable choice for bio-based chemical applications.

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