Ethylene Glycol, Description and Applications
Ethylene glycol, also known as ethanediol, is a dihydric alcohol widely used in industry and everyday life.
Here are some of its key characteristics:
- Formula: HO-CH2-CH2-OH
- Appearance: Clear, colorless liquid, slightly oily to the touch.
- Odor: Odorless.
- Taste: Sweetish.
- Boiling point: 197°C
- Melting point: -11.5°C
- Density: 1.113 g/cm³
- Solubility: Highly soluble in water and many other organic solvents.
- Toxicity: Poisonous to humans and animals.
Applications of Ethylene Glycol:
- Antifreeze: Ethylene glycol is a primary component of antifreezes used in automobiles and other cooling systems. It has a low freezing point and high heat capacity, making it ideal for protecting engines from overheating.
- Solvent: Ethylene glycol is used as a solvent in various industrial applications, such as the production of paints, lacquers, plastics, and textiles.
- Synthesis: Ethylene glycol is an important raw material for the production of many other chemicals, such as polyethylene glycol, diethylene glycol, and polyester resins.
- Other applications: Ethylene glycol is also used in some food products and cosmetics, as well as a component in hydraulic fluids, brake fluids, and heat transfer fluids.
Important:
- Ethylene glycol is poisonous and can be fatal if swallowed.
- Caution must be exercised when working with ethylene glycol, and contact with skin and eyes should be avoided.
- Store ethylene glycol out of reach of children and pets.
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