Poly(propylene glycol) monobutyl ether is widely used as a solvent in various industrial applications due to its excellent solubility properties. It is commonly employed in the formulation of paints, coatings, and inks, where it helps to improve the flow and leveling of the products.

In the cleaning industry, it serves as an effective ingredient in degreasers and detergents, aiding in the removal of oils and greases from surfaces. Its ability to act as a coupling agent makes it valuable in stabilizing emulsions and enhancing the performance of cleaning solutions.

Additionally, it is utilized in the production of adhesives and sealants, where it contributes to the desired viscosity and adhesion properties. In the personal care sector, it is found in cosmetics and skincare products, functioning as a moisturizer and emollient to improve texture and hydration.

Its versatility also extends to the agricultural industry, where it is used in pesticide formulations to enhance the spreading and penetration of active ingredients on plant surfaces. Overall, its multifunctional properties make it a valuable component across a range of applications.