1,2-Diols are a class of organic compounds characterized by the presence of two hydroxyl (-OH) groups attached to adjacent carbon atoms in the molecule. These functional groups make 1,2-diols highly reactive and versatile for various applications across multiple industries. Common examples include glycols such as ethylene glycol (HO-CH2-CH2-OH) and propylene glycol (HO-CH2-CH(OH)-CH3). They serve important roles in the production of polyols for polyurethane foams, antifreeze agents, and plasticizers. The unique chemical properties of 1,2-diols also find use in pharmaceuticals, cosmetics, and as intermediates in fine chemistry synthesis. Due to their hydrophilic nature, they often enhance solubility and can act as good hydrogen bond acceptors or donors, making them valuable additives in industrial formulations.