Propylene glycol is a viscous, colorless liquid, which is nearly odorless but possesses a faintly sweet taste. Its chemical formula is CH₃CHCH₂OH. Containing two alcohol groups, it is classed as a diol. It is miscible with a broad range of solvents, including water, acetone, and chloroform.
Molar mass: 76.09 g/mol
Density: 1.04 g/cm³
Boiling point: 188.2 °C
IUPAC ID: propane-1,2-diol
Solubility in water: Miscible
Viscosity: 0.042 Pa·s
It is used to absorb extra water and maintain moisture in certain medicines, cosmetics, or food products. It is a solvent for food colors and flavors, and in the paint and plastics industries. Propylene glycol is also used to create artificial smoke or fog used in fire-fighting training and in theatrical productions.
Available in Tanker load as well as 160 Kgs barrel or 205 Ltrs