1,3 Propanediol: 1,3-Propanedi Global Manufacturing Landscape and Key Applications 1,3 dihydroxypropane, also known as trimethylene glycol or simply PDO, is a clear, colorless, and hygroscopic organic compound that is soluble in water and many organic solvents. With the chemical formula C3H8O2, PDO has three carbons, eight hydrogens, and two hydroxyl functional groups. With two functional groups, PDO is considered a diol and a type of polyol. At room temperature, PDO takes...
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