Oleyl alcohol, identified by CAS No. 143-28-2, is a long-chain, unsaturated fatty alcohol (cis-9-octadecen-1-ol) that serves as a vital intermediate in numerous chemical sectors. Physically, it presents as a clear, colorless to pale yellow, oily liquid with a characteristic mild odor. Unlike its saturated counterparts, its cis-double bond ensures it remains fluid at room temperature, exhibiting a low melting point and excellent solubility in organic solvents while remaining insoluble in water. Industrially, oleyl alcohol is prized as a high-performance emollient and thickening agent in cosmetics, a lubricant additive, a plasticizer, and a precursor for surfactants and antifoaming agents. It also acts as an effective skin penetration enhancer in pharmaceutical topicals. Regarding safety, oleyl alcohol is generally classified as low toxicity and biodegradable; however, it may cause mild dermal or ocular irritation upon contact. Standard laboratory protocols, including the use of gloves and eye protection, are recommended to ensure safe handling and minimize exposure.
* Functions as a highly effective emulsifier, wetting agent, and plasticizer.
* Provides excellent lubricating properties across diverse applications.
* Serves as a key chemical intermediate for synthesizing various derivatives.
* Enhances cosmetic formulations as an emollient, conditioner, and emulsion stabilizer.
* Finds broad application in textiles, leather processing, detergents, and pharmaceuticals.
* Offers controlled foaming capabilities for specific product requirements.
* Provides formulation flexibility as a versatile liquid or paste at ambient temperatures.
* Ensures product integrity with very low acidity and minimal moisture content.
Appearance: Clear liquid, pale yellow
Acid value (mg KOH/g): Max 0.5
Hydroxyl value (mg KOH/g): 205 – 215
Saponification value (mg KOH/g): Max 1.0
Iodine value (g I₂/100g): 85 – 95
Water content (%): Max 0.2
Congealing Point (°C): Max 5
Purity (% GC): Min 70
Colour (APHA): Max 100
Specific Gravity @ 25°C: 0.844 – 0.849
* **Personal Care Emollient:** Used in lotions and creams to soften and smooth skin, providing a non-greasy feel.
* **Emulsifier & Co-emulsifier:** Stabilizes oil-in-water and water-in-oil emulsions in cosmetics and pharmaceuticals, ensuring product consistency.
* **Industrial Lubricant:** Functions as an anti-wear agent in metalworking fluids and textile processing, reducing friction and extending machinery life.
* **Chemical Intermediate:** Serves as a valuable building block in synthesis for creating surfactants, esters, and other specialty chemicals.
* **Solvent & Coupling Agent:** Enhances the solubility and dispersion of active ingredients and fragrances across various product formulations.
* **Hair Conditioner:** Improves hair detangling, adds shine, and enhances manageability in hair care products without heavy residue.
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