D 2352 (OTTO) Dipropylene glycol, 99% Cas 25265-71-8 - used as a plasticizer, an intermediate in industrial chemical reactions, as a polymerization initiator or monomer, and as a solvent. D 2352 (OTTO) Dipropylene glycol, 99% Cas 25265-71-8 - used as an intermediate in polyurethane polyols, alkyd resins and non-reinforced polyesters. In addition to this, D 2352 (OTTO) Dipropylene glycol, 99% Cas 25265-71-8 - used in dyes, paints, hydraulic brake fluids and cutting oils.