Monopropylene Glycol (MPG) Characteristics
- Physical property: Colorless Liquid
- Chemical Formula: C3H8O2
- Molecular weight: 76.09 g/mol
- Packaging form: Drum/IBC/Tank
It is a clear solvent with low volatility. It can mix with water, alcohols, and ethers. It exhibits neutral and hygroscopic properties.
What Is Monopropylene Glycol (MPG)?
Monopropylene glycol (MPG) is an organic compound obtained through the hydration of propylene oxide. With a chemical formula of C3H8O2, MPG belongs to the class of primary alcohols and is a colorless, odorless liquid. MPG is a versatile chemical compound widely used in various industries.
MPG has many different uses. Most commonly, it is used as a solvent in antifreezes, paints and coatings, adhesives, detergents, and cosmetic products. Additionally, MPG is used as a stabilizer in the pharmaceutical industry. Its hydrophilic properties also make it suitable for use as a moisturizer in textile products.
MPG is a compound with low toxicity and good stability. Its effective use as a solvent is attributed to its ability to mix well with water. These characteristics are among the factors that contribute to the widespread use of MPG in industries.
In Which Industries Is Monopropylene Glycol (MPG) Used?
Monopropylene glycol (MPG) is a versatile chemical compound used in various industries. Here are some examples:
Cosmetic industry: MPG is used as a moisturizer and softener in skincare products, shampoos, hair dyes, deodorants, and other cosmetic products.
Food industry: MPG is one of the moisturizers, softeners, and preservatives found in some food products.
Pharmaceutical industry: MPG is used as a solvent, stabilizer, and substance carrier in the production of certain pharmaceuticals.
Automotive industry: MPG is used as an antifreeze in brake fluids and cooling systems.
Textile industry: MPG serves as a solvent and color carrier in fabric dyeing and printing processes.
Chemical industry: MPG is used in the production of antifreeze, solvents, welding barriers, plasticizers, protective coatings, and other chemical products.
Other industries: MPG is used in soap production, tobacco products, liquid soaps, toothpaste, cleaning products, and many other industries.
How Is Monopropylene Glycol (MPG) Produced?
Monopropylene glycol (MPG) is a chemical obtained through the reaction of propylene oxide and water. The production process involves the following steps:
Propylene oxide production: Propylene gas is converted to propylene oxide with the help of hydrogen peroxide or a similar catalyst.
Monopropylene glycol synthesis: Propylene oxide reacts with water to form MPG. This reaction is typically carried out at high temperature with an alkaline catalyst (usually sodium hydroxide).
Purification of MPG: The synthesized MPG is purified through processes like filtration, precipitation, or vacuum evaporation. Packaging and storage: Pure MPG is packaged appropriately for storage or is made ready for direct use.
This process is used in the production of MPG in various industries. However, proper management of the production process and the chemicals used is important, as incorrect usage and waste management can pose serious environmental and health risks.