Overview
Heneicosanol, also known as 21-alcohol, is a long-chain fatty alcohol with the molecular formula C21H44O. It is derived from natural sources or synthesized industrially. As a waxy solid, it is commonly used in formulations requiring stability and water resistance. Its hydrophobic nature makes it suitable for applications in cosmetics, where it acts as an emollient or thickening agent. In industrial settings, heneicosanol serves as a lubricant additive or plasticizer due to its high melting point and chemical inertness.
Physical and Chemical Properties
Heneicosanol is a white, waxy solid with a melting point of approximately 70-72°C and a boiling point around 360°C. It is insoluble in water but dissolves readily in organic solvents such as ethanol, ether, and chloroform. The compound is chemically stable under normal conditions and exhibits low reactivity. Its long hydrocarbon chain contributes to its hydrophobic properties, making it useful in water-resistant formulations. The molecular weight of 312.58 g/mol classifies it as a heavy alcohol, impacting its viscosity and solubility characteristics.
Main Applications
In cosmetics, heneicosanol is valued for its emollient properties, often found in creams, lotions, and lip balms. It helps retain moisture and improves product texture. The lubricant industry utilizes it as an additive to reduce friction in machinery and metalworking processes. Industrial applications include its use as a plasticizer in polymer production and as a coating agent for waterproof materials. Its stability and low toxicity make it a preferred choice for specialized formulations requiring long-chain alcohols.
Safety and Storage
Heneicosanol is generally considered low-toxicity but may cause mild skin or eye irritation upon direct contact. Personal protective equipment (PPE) such as gloves and goggles is recommended during handling. Ensure adequate ventilation in workspaces. Store the compound in a cool, dry place away from oxidizing agents and direct sunlight. Sealed containers are ideal to prevent moisture absorption or contamination. Always refer to the Material Safety Data Sheet (MSDS) for specific handling and disposal guidelines.
B2B Procurement Guide
When procuring heneicosanol, prioritize suppliers with certifications like ISO or GMP to ensure quality. Request a Certificate of Analysis (CoA) to verify purity (typically ≥98%) and check for impurities. Bulk purchases may offer cost savings, but confirm storage capabilities to maintain product integrity. Compare prices across suppliers, considering factors like shipping costs and lead times. Establish long-term contracts with reliable vendors to secure consistent supply and favorable terms.
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