Propylene glycol, also known as 1,2-propanediol, is a colorless and odorless organic compound with the chemical formula C3H8O2. It is a viscous liquid that is commonly used in a variety of industrial and commercial applications due to its diverse range of properties. One of the most common uses of propylene glycol is as a food additive. It is classified as generally recognized as safe (GRAS) by the Food and Drug Administration (FDA) and is commonly used in processed foods, beverages, and pharmaceuticals. Propylene glycol is used as a humectant, solvent, and preservative in a wide range of food products, including baked goods, dairy products, and salad dressings. In addition to its use in food products, propylene glycol is also commonly used in pharmaceuticals and personal care products. It is used as a carrier in oral, topical, and injectable medications, as well as in cosmetics, shampoos, and lotions. Propylene glycol is valued for its ability to dissolve active ingredients and enhance the absorption and effectiveness of medications and skincare products. Propylene glycol is also widely used in the manufacturing industry as a solvent and antifreeze. It is commonly used in industrial applications such as hydraulic fluids, brake fluids, and deicing solutions due to its low toxicity and excellent thermal stability

propylene glycol pdf. Propylene glycol is also used as a heat transfer fluid in HVAC systems and as a preservative in paints, coatings, and adhesives. Despite its widespread use, propylene glycol has raised some health and safety concerns. In high concentrations, propylene glycol can cause skin and eye irritation and may be harmful if ingested or inhaled. However, the FDA has determined that propylene glycol is safe for use in food and personal care products at low levels. In conclusion, propylene glycol is a versatile and widely used chemical compound with a diverse range of applications. From food and pharmaceuticals to industrial manufacturing, propylene glycol plays a key role in a variety of industries. While concerns about its safety exist, propylene glycol is generally recognized as safe for use in food and personal care products when used in accordance with regulatory guidelines. Overall, propylene glycol is a valuable chemical compound that continues to play a critical role in various industries due to its unique properties and versatility. As research and development in the field of chemistry advances, propylene glycol is likely to remain a key ingredient in a wide range of products for many years to come.