Overview
Fatty alcohols are high-molecular-weight alcohols derived from natural sources like coconut or palm oil, or synthesized from petrochemical feedstocks. They are characterized by a linear carbon chain (typically C8–C22) with a hydroxyl group, making them versatile intermediates in industrial and consumer applications. As non-ionic surfactants, they exhibit both hydrophilic and lipophilic properties, which enable their use in emulsification and foam stabilization. The global market is driven by demand from the personal care and cleaning industries, with Asia-Pacific being a key production hub.
Physical and Chemical Properties
Fatty alcohols range from colorless liquids (shorter chains like octanol) to waxy solids (longer chains like stearyl alcohol). Their melting and boiling points increase with chain length due to stronger van der Waals forces. For instance, cetyl alcohol (C16) melts at ~49°C, while lauryl alcohol (C12) remains liquid at room temperature. Chemically, they are stable under normal conditions but can oxidize slowly. Their solubility profile is notable: insoluble in water but miscible with oils, alcohols, and ethers. This property makes them ideal for formulating water-resistant coatings and emulsions.
Main Applications
In the personal care industry, fatty alcohols (e.g., cetearyl alcohol) act as emulsifiers and thickeners in lotions, creams, and hair conditioners. They provide a non-greasy feel and enhance product texture. The detergent sector relies on C12–C14 alcohols for producing biodegradable surfactants like sodium lauryl sulfate. Industrial uses include plasticizers for PVC, lubricant additives, and raw materials for ethoxylates. Emerging applications span pharmaceuticals (as tablet coatings) and agrochemicals (for pesticide formulations). Sustainability trends are driving adoption of bio-based fatty alcohols from renewable sources.
Safety and Storage
Most fatty alcohols (C12–C18) are classified as low-toxicity substances, though shorter chains (C6–C10) may irritate skin and eyes. Powdered forms can pose inhalation risks; use PPE like gloves and masks during handling. Storage requires airtight containers to prevent moisture absorption or oxidation. Steel drums or polyethylene-lined packaging are common. Keep away from heat sources and strong oxidizers. Shelf life typically exceeds 2 years if stored below 30°C with minimal exposure to air.
B2B Procurement Guide
Buyers should specify: (1) Carbon chain length (e.g., C12 for lauryl alcohol), (2) Purity (industrial grade ≥95%, cosmetic grade ≥99%), and (3) Form (flakes, pellets, or liquid). Key suppliers include BASF, KLK Oleo, and Sasol. Bulk purchases (20+ tons) often qualify for discounts. Consider sustainability certifications like RSPO for palm-derived alcohols. Logistics planning is critical for solid alcohols, which may require heated tanks during cold weather transport. Sample testing for odor and color consistency is recommended.
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