Propylene Glycol PG CAS 57-55-6
Propylene glycol CAS 57-55-6 , also called propane-1,2-diol, is an organic
compound with the chemical formula C3H8O2. It is a viscous colorless liquid which is nearly odorless but possesses a faintly sweet taste. Chemically it is classed as a diol and is miscible with a broad range of solvents, including water, acetone, and chloroform.