Hydrogen chloride is produced as a by-product from the chlorination of benzene and other hydrocarbons and by burning hydrogen, methane, or water gas in a chlorine atmosphere.

• 氯化氢是苯和其它碳氢化合物氯化的副产品，通过在氯气氛中燃烧氢、甲烷或水煤气也可以生产氯化氢。