Monoethylene glycol is a chemical compound with the formula C₂H₆O₂, which is a colorless, slightly viscous liquid with a neutral odor. This organic glycol is widely used in various industries due to its chemical and physical properties.

Appearance: Monoethylene glycol is a clear, colorless liquid with a neutral odor. It mixes easily with water.

Antifreeze and coolant: One of the main uses of monoethylene glycol is its use as a component of antifreeze and coolant in cooling systems of cars and other machinery. This provides protection against freezing and engine overheating.

Production of plastics and polymers: Monoethylene glycol is an important raw material for the production of polyesters, polyurethanes and other polymer materials. It is used in the synthesis process and as a mild odorant for plastics.

Pharmaceutical and cosmetic industry: An ingredient in some medical and cosmetic preparations, monoethylene glycol is used as a solvent and humectant.

Production of disinfectants: Monoethylene glycol can be a component of some disinfectants and antiseptics, as it has bactericidal properties.

Production of paints and varnishes: It is used in the production of paints and varnishes, where it serves as a solvent and improves their fluidity.

Electronics: In the electronics industry, monoethylene glycol is used in heat sink systems such as heat pipes and radiators.

It is important to note that monoethylene glycol, despite its applications, is a toxic substance, and