Monopropylene Glycol 

Alternative Names: MPG, Propylene glycol, 1,2-Propanediol, Methyl ethylene glycol

CAS Number: 57-55-6 EC Number: 22-338-0

Typical Properties:

Formula:  C3H8O 
Molecular mass:  76.1 
Boiling point:  188°C 
Melting Point:  -59°C 
Flash Point:  101°C 


Monopropylene glycol (MPG) is a clear, colourless, and viscous liquid organic compound with the chemical formula C3H8O2. It is a type of glycol, which is a family of compounds that contains two hydroxyl (-OH) groups. MPG is also known as 1,2-propanediol.

MPG is a versatile chemical that is used in a wide range of applications. One of its most common applications is as a humectant, which means it helps to retain moisture in products. MPG is used as a humectant in personal care and cosmetic products, such as lotions, creams, and hair conditioners. MPG is also used as a solvent in various industries, such as the pharmaceutical industry, where it is used to dissolve active pharmaceutical ingredients (APIs) and in the food industry as a solvent for flavourings and colourings. It is also used as a solvent for fragrances, inks, and dyes.


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