Hebei Tianao Technology Co.,Ltd

Propylene glycol is miscible with water, ethanol and most organic solvents, which makes it widely used in the field of chemistry and is often used as a chemical reagent or indicator.
Colorless, viscous and stable absorbent liquid, almost tasteless and odorless, flammable and low toxicity. It is miscible with water, ethanol and a variety of organic solvents. Boiling point 187.3 °c. Melting point - 60 ° c. The relative density is 1.0381. Refractive index 1. 4326。 Surface tension (20°C) 38mNm. Viscosity (20°C) 60. 5mPa -s。 Specific heat capacity (20 °C) 2.49kj/(kg.°C). Heat of vaporization (101.3kPa) 7Ukj/kg. Heat of combustion (25°C) 1824. OkJ/mol。 Flash point (open cup) 99 °C. The ignition point is 415.5 °C. The critical temperature is 352°C. Critical pressure6. lMPa。