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Propylene Glycol is used as a chemical raw material for the production of unsaturated polyester resin, in electronic cigarettes for improving flavor, and as a preservative for tobacco products. It is a synthetic organic compound having a formula C3H8O2 with the molecular mass of 76.01 g/mol. This compound is also found in detergent, laundry products, as an edible item in coffee based drinks, and pet foods as well. Propylene Glycol is also utilized in many water insoluble pharmaceutical formulations .
With E number E490, it is used as a thickening agent
Miscible with water and chloroform
Has a boiling point of 188.2 degree Celsius