Butyl Di Glycol (BDG), also known as Monobutyl Ether Diethylene Glycol, is a colorless liquid with a mild odor. It belongs to the group of ethylene glycol ethers. This substance is used in various industries as a solvent and plasticizer due to its low toxicity, high chemical stability, and good solubility in water. In the paint and coating industry, BDG is used as a solvent to enhance the dispersion of colors and improve their stability. Additionally, it acts as a viscosity modifier, improving the quality of coatings, which is essential for producing durable, high-quality finishes. In the cosmetics and personal care industries, BDG serves as a moisturizer and solvent in creams and lotions. It is also used in the pharmaceutical industry as a solvent for medicinal compounds and in the production of detergents due to its safe and non-toxic properties.