oktanol

Octanol, or oktanol in Turkish, refers to a family of eight-carbon alcohols with the chemical formula C8H18O. The most common member is 1-octanol (n-octanol), a colorless, viscous liquid that is widely used as a solvent and as an intermediate in the synthesis of esters, fragrances, lubricants, and plasticizers. Several other octanol isomers exist, such as 2-octanol, each with distinct physical properties and odors.

Isomerism and properties

Octanols vary in their physical properties, but they are generally sparingly soluble in water and soluble in many organic solvents. 1-octanol has a boiling point around 195°C and a density near 0.83 g/mL at 20°C. The different isomers can differ in odor, volatility, and miscibility, contributing to their specific industrial applications.

Occurrence and production

Octanols occur in trace amounts in some essential oils and natural products. Industrially, they are produced by chemical synthesis from petrochemical feedstocks and may be derived from transformations of longer-chain alcohols or alkenes, followed by purification to isolate the desired octanol isomer.

Applications and significance

Octanols serve as solvents in coatings, inks, fragrances, and flavor applications, and act as intermediates in the production of esters, lubricants, and plasticizers. 1-Octanol is frequently used as a reference solvent in environmental and pharmacokinetic assessments because its octanol–water partition coefficient (logP) provides a standard measure of lipophilicity.

Safety and handling

Octanols are flammable liquids and can irritate skin and eyes. They may be harmful if inhaled or ingested. Appropriate handling includes good ventilation, avoidance of ignition sources, and adherence to material safety data sheet guidelines.