Classification of toxic gases:
1. Irritating gas-refers to the gas that can irritate eyes and respiratory mucosa. This is a sign to pay attention to the transport of toxic gases by chemical workers.
Toxic gases often encountered in industry. There are many kinds of irritating gases, the most common ones are chlorine, ammonia, nitrogen oxides, phosgene, hydrogen fluoride, sulfur dioxide, sulfur trioxide and dimethyl sulfate.
2. Asphyxiating gas refers to toxic gas that can cause hypoxia in the body. Asphyxiating gases can be divided into simple asphyxiating gases, blood asphyxiating gases and cell asphyxiating gases. Such as nitrogen, methane, ethane, ethylene, carbon monoxide, nitrobenzene vapor, hydrogen cyanide, hydrogen sulfide, etc.