Isopropanol is an organic compound with the molecular formula C3H8O. It is an isomer of n-propanol, also known as dimethyl methanol or 2-propanol, and is commonly referred to as IPA in the industry. It is a colorless and transparent liquid, flammable, and has an odor similar to a mixture of ethanol and acetone. Soluble in water, as well as in most organic solvents such as alcohols, ethers, benzene, chloroform, etc. Isopropanol is an important chemical product and raw material. Mainly used in pharmaceuticals, cosmetics, plastics, fragrances, coatings, etc.

The maximum allowable concentration in the air is 980 mg/m3, the maximum allowable concentration in the workplace is 1020 mg/m3, and the olfactory threshold concentration is 1.1 mg/m3. Operators should wear gas masks, and when the concentration is high, they should wear airtight protective goggles.