Overview
Undecenoic acid, also known as 10-undecenoic acid, is a monounsaturated fatty acid derived from castor oil. Its eco-friendly variant is increasingly favored in industries requiring sustainable raw materials. The compound is valued for its antifungal and antimicrobial properties, making it a key ingredient in pharmaceuticals and personal care products. In addition to its biological activity, undecenoic acid is used in the synthesis of polymers and plasticizers. Its versatility and compliance with environmental regulations have expanded its applications in green chemistry and industrial processes.
Physical and Chemical Properties
Undecenoic acid is a colorless to pale yellow liquid with a characteristic odor. It has a molecular weight of 184.28 g/mol and a density of 0.91 g/cm³. The compound melts at 24.5°C and boils at 275°C, with limited solubility in water but good solubility in organic solvents like ethanol and ether. Its chemical structure includes a carboxylic acid group and a double bond, which contribute to its reactivity. These properties make it suitable for derivatization and use in various chemical reactions, including esterification and polymerization.
Main Applications
Undecenoic acid is widely used in the pharmaceutical industry, particularly in antifungal creams and treatments for skin conditions like athlete's foot. Its antimicrobial properties also make it a valuable additive in cosmetics, such as shampoos and soaps. In industrial settings, the acid serves as a precursor for nylon-11 and other specialty polymers. Its eco-friendly profile has led to adoption in biodegradable lubricants and green plasticizers, aligning with sustainability goals in manufacturing.
Safety and Storage
While undecenoic acid is generally safe when handled properly, it can cause skin and eye irritation. Workers should use gloves, goggles, and protective clothing to minimize exposure. The compound should be stored in a cool, dry place, away from oxidizing agents and direct sunlight to prevent degradation. Spills should be contained with inert absorbents and disposed of according to local regulations. Proper ventilation is recommended in areas where the acid is handled to avoid inhalation of vapors.
B2B Procurement Guide
When sourcing undecenoic acid, B2B buyers should prioritize suppliers with verified CAS numbers and eco-certifications. Batch-specific COAs (Certificates of Analysis) are essential to ensure purity and compliance with industry standards. Price negotiations should consider volume discounts, but buyers must also assess logistical factors like storage requirements and lead times. Reliable suppliers often provide technical support and SDS (Safety Data Sheets) to facilitate safe handling and application.
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