3-Octanol, also known as octyl alcohol or 1-octanol, is an organic compound with the chemical formula C8H18O. It is a straight-chain fatty alcohol with a molecular structure consisting of an eight-carbon chain and a hydroxyl group (-OH) attached to the third carbon atom. 3-Octanol is a colorless liquid with a slightly fatty odor. It is insoluble in water but soluble in organic solvents such as ethanol and ether. This compound is used in various industrial applications, including as a solvent, intermediate in chemical synthesis, and in the production of esters for fragrances and flavors. Additionally, 3-octanol may have applications in pharmaceuticals and as a precursor for the synthesis of other organic compounds. colourless liquid with a strong, oily-nutty, herbaceous odour