Decanoic Acid
Description
Decanoic acid (CAS 334-48-5), commercially known as capric acid, is a medium-chain saturated fatty acid derived primarily from coconut and palm kernel oil.
It functions as an emulsifier, lubricant, and surface-active agent across food, personal care, and industrial manufacturing sectors for diverse applications.
In food manufacturing, capric acid (FEMA 2364) is used as a flavoring agent and emulsification aid in dairy analogs, confectionery coatings, and processed fats.
Personal care formulators incorporate it into skin creams and cleansing products, where its medium-chain structure supports moisturizing and emulsification performance.
Textile and leather processors use it as a surface modifier and wetting agent to improve fiber treatment and finishing bath penetration during the production cycle.
In metalworking and lubricant formulations, it functions as a base component or additive in cutting fluids and release agents to ensure high performance.
Decanoic acid is supplied as a white to off-white waxy solid or flake, with liquid form available above its melting point for bulk handling and logistics.
Standard commercial grades include food-grade and technical-grade, with purity typically at 98% or higher. FCC-grade material is available for food applications.
Physical Properties
| Melting Point | 31.5 °C |
| Boiling Point | 268.7 °C |
| Density | 0.890 g/cm³ @ Temp: 40 °C |
| Flash Point | >230 °F |
| Appearance | White crystalline solid or needles. Unpleasant, rancid odor. |
| Color | White |
| Odor | Odorless |
| Form | Crystalline Solid |
| Water Solubility | 0.15 g/L (20 º C) |
| Vapor Pressure | 15 mm Hg ( 160 °C) |
| Refractive Index | 1.4169 |
| pH | 4 (0.2g/l, H2O, 20℃) |
| Log P | 4.1 at 20℃ |
Safety & Handling (Learn More)
Trade & Regulatory
| HS Code | 29159080 |
| WGK (Germany) | 1 |
Documentation
Other Names
Capric acid
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