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Mono/Di/Tri Propylene Glycols

Propylene Oxide based glycols are used in a multitude of different areas for example as solvents, extraction liquids and humectants. They are used as antifreeze agent for refrigerators and sprinkler systems, as solvents and humectants for printing colors and ink-pads as well as plasticers for cellophane. Furthermore Propylene Glycol is used as a component for the production of fire-resistant brake and hydraulic fluids, as a starter molecule for raw materials of colors and paints, as a raw material for de-icing of planes as well as in heating fluids for high-temperature work.

1,2-Propylene Glycol (Mono Propylene Glycol / MPG) is a colorless, liquid, nearly odorless by-product of Propylene Oxide and is generated by adding water. 

Dipropylene Glycol (DPG) is a by-product from monopropylene glycol production. DPG is a colorless, liquefied, nearly odorless liquid. Dipropylene Glycols are used as components for fragrances, as solvents for the production of semi-conductors and ink-pads, as additives for the leather industry, as a component for hydraulic fluids and as additives for color emulsions. 

Tripropylene glycol stabilized (TPG) is a condensation product of 1,2-propylene glycol. TPG is presented as a mixture of isomers which are formed by the reaction of propylene oxide and water. TPG is a clear, colorless, hygroscopic, water soluble fluid with medium viscosity, low vapour pressure and a faint glycol-specific odor. Tripropylene glycol is used in textile soaps, lubricants and cutting oil concentrates, in body care applications like stick deodorants and as a solvent to dissolve inks (ink removal creams).