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[Chemical Knowledge]:Ethylene glycol and diethylene glycol, how much do you know?

Ethylene glycol (also known as ethylene glycol) and diethylene glycol (also known as propylene glycol) are two common chemical raw materials, which play an important role in industrial production. Although they have similarities in name and molecular structure, there are some obvious differences in use and nature.

From the chemical structure, the chemical formula of ethylene glycol is C2H6O2, and the chemical formula of diethylene glycol is C3H8O2. In other words, the molecular structure of the two is not the same, in which the atomic combination of carbon, hydrogen and oxygen is not the same. This also leads to differences in their properties and uses.

ethylene glycol is mainly used as a solvent and temperature regulator in industry. Because of its hygroscopicity and strong solubility, ethylene glycol is commonly used in refrigerants, antifreeze, air conditioning systems, etc. Diethylene glycol is more widely used in the fields of medicine, food and cosmetics, as a solvent, additive or viscous agent.

In addition, ethylene glycol and diethylene glycol differ in toxicity. Ethylene glycol will decompose at high temperature to produce toxic acetaldehyde, which is harmful to human body. Diethylene glycol, on the other hand, is far less toxic than ethylene glycol and is generally considered a relatively safe chemical.

Generally speaking, ethylene glycol and diethylene glycol are two important chemical raw materials, which are widely used in industrial production and daily life. Although they have some similarities, there are obvious differences in use and nature. Understanding these differences not only helps to use them correctly, but also helps to avoid possible security risks.

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