Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Basic Information
Product Name: Arachidonic acid
CAS Number: 506-32-1
Alias: 5,8,11,14-Eicosatetraenoic acid, ARA
Molecular Formula: C20H32O2
Molecular Weight: 304.47 g/mol
Structural Information
- Structure Type: Polyunsaturated long-chain fatty acid, omega-6 fatty acid.
- Structural Features: Contains four carbon-carbon double bonds and one carboxyl group; unsaturated structure gives strong lipophilicity and biological activity.
Physical & Chemical Properties
- Appearance: Colorless to pale yellow oily liquid
- Odor: Mild characteristic fatty odor
- Melting Point: -49 °C
- Boiling Point: 320 °C
- Density: 0.922 g/mL (20 °C)
- Refractive Index: 1.483 (20 °C)
- Solubility: Insoluble in water; soluble in ethanol, ether, chloroform, vegetable oil and most organic solvents
- Stability: Easily oxidized by air and light; prone to deterioration at high temperature. Store under nitrogen protection.
Synthesis & Applications
Synthesis Method
Mainly extracted and refined from microbial fermentation oil or animal liver oil. Also obtained by organic synthesis and further purification.
Main Applications
- Food industry: Nutritional fortifier for infant formula, functional food and health products.
- Pharmaceutical industry: Pharmaceutical intermediate, raw material for prostaglandin and leukotriene synthesis.
- Cosmetics: Used as skin conditioning agent in skin care products.
- Biochemical research: Standard reagent for lipid metabolism research.
Safety & Storage Instructions
- Hazard Classification: Low toxicity, mild irritant
- Personal Protection: Wear gloves and goggles; avoid skin and eye contact, prevent inhalation of mist.
- Storage Condition: Sealed, nitrogen-filled, store at 2–8 °C in cool, dry and dark place, away from air, heat and oxidants.
- Transportation: General chemical goods; prevent leakage, high temperature and light exposure.
Quality & Spectral Data
- Purity (GC/HPLC): ≥98.0% / ≥99.0%
- Moisture: ≤0.1%
- Acid Value: Complies with standard specification
- Peroxide Value: ≤5.0 meq/kg
- IR Spectrum: Matches standard structure
Information Summary Table
| Item | Specification |
| CAS Number | 506-32-1 |
| Product Name | Arachidonic acid |
| Synonym | 5,8,11,14-Eicosatetraenoic acid, ARA |
| Molecular Formula | C20H32O2 |
| Molecular Weight | 304.47 g/mol |
| Appearance | Colorless to pale yellow oily liquid |
| Density | 0.922 g/mL (20 °C) |
| Solubility | Insoluble in water; soluble in alcohols, chloroform, oils |
| Purity | ≥98.0% / ≥99.0% |
| Storage Condition | Sealed, nitrogen protection, 2–8 °C, away from light and oxidants |
| Hazard Property | Low toxicity, mild irritant |
| Main Usage | Food fortifier, pharmaceutical intermediate, cosmetic additive, biochemical reagent |
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