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                          | Product Name | Hydrochloric acid |  
                          | CAS RN | 7782-50-5 |  
                          | EINECS Number | 231-595-7 |  
                          | Molecular Formula | HCl |  
                          | Molecular Weight | 72.9219 |  
                          | Physical and chemical property | Appearance and property: Colorless or slightly yellow fuming liquid with pungent acidity. Melting Point(℃): -114.8(purity)
 Boiling Point(℃): 108.6(20%)
 Relative density(water=1): 1.20
 Vapour density(air=1): 1.26
 Saturated vapor pressure(kPa): 30.66(21℃)
 Solubility: mix with water and alkali solution
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                          | Use | Basic chemical raw materials, used in petroleum, chemical industry, metallurgy, printing and dyeing, food and other industrial sectors.
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                          | Structural Formula |  |  |  |  |  |  |