Monopropilen Glikol (MPG)
Propylene Glycol
What is Monopropylene Glycol (MPG)?
Monopropylene Glycol (MPG), known as Propylene Glycol, is a colorless and odorless liquid with the chemical formula C3H8O2. It is produced by the hydration of propylene oxide and belongs to the primary alcohols class.
- It is a clear solvent with low volatility.
- It is miscible with water, alcohol, and ether.
- It exhibits neutral and hygroscopic properties.
- It has low toxicity and high stability.
MPG is widely used in the cosmetic, food, pharmaceutical, automotive, and chemical industries due to its solvent, humectant, and stabilizer properties.
Monopropylene Glycol (MPG) Properties
Property | Explanation |
Physical State | Colorless liquid |
Chemical Formula | C3H8O2 |
Molecular Weight | 76.09 g/mol |
Packaging Type | Drum / IBC / Tank |
Other Features | Neutral, hygroscopic, low volatility, soluble in water and many solvents |
In Which Industries Is Monopropylene Glycol (MPG) Used?
- Cosmetics Industry:
- It is used as a moisturizer and softener in shampoo, hair dye, deodorant, lotion, and other personal care products.
- Food Industry:
- It acts as a moisturizing, softening, and protective additive.
- Pharmaceutical Industry:
- It is used in drug formulations as a solvent, stabilizer, and carrier.
- Automotive Industry:
- It is preferred in the production of antifreeze and brake fluid.
- Textile Industry:
- It acts as a solvent and color carrier in fabric dyeing and printing processes.
- Chemical Industry:
- It is used in the production of solvents, protective coatings, plasticizers, and welding barriers.
- Other Industries:
- It is commonly found in soap, detergent, toothpaste, tobacco products, and cleaning products.
How is Monopropylene Glycol (MPG) Produced?
- Propylene Oxide Production
- Propylene gas is converted to propylene oxide with the help of hydrogen peroxide or a similar catalyst.
- MPG Synthesis
- Propylene oxide reacts with water to form MPG.
- The reaction is usually carried out with sodium hydroxide as a catalyst and at high temperatures.
- Purification
- The obtained MPG is purified using methods such as filtration, sedimentation, or vacuum evaporation.
- Packaging and Storage
- Purified MPG is packaged in suitable containers and made ready for industrial use.
This production process is optimized and implemented according to the needs of different industries.