Overview
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.
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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
Warning GHS07 GHS05 Hazard Statements H315 Causes skin irritation H318 Causes serious eye damage H319 Causes serious eye irritation H412 Harmful to aquatic life with long lasting effects Precautionary Statements P264 Wash … thoroughly after handling. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P317 Get emergency medical help. P321 Specific treatment (see … on this label). P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P302+P352 IF ON SKIN: Wash with plenty of water. P332+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P305+P354+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| HS Code | 29159080 |
| WGK (Germany) | 1 |
Other Names
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Chemical Properties
- CAS Number
- 334-48-5
- EC Number
- 206-376-4
- Mol. Weight
- 172.26
- HS Code
- 29159080
- Category
- Organic Acids