Foreign name: Chlorine

Dichlorine 

Chemical formula: Cl2

Molecular weight: 70.90

CAS login number: 7782-50-5

EINECS login number: 231-959-5

Melting point: -101 ℃ (101 kPa)

Boiling point: -34 ℃ (101 kPa)

Water solubility: 1 volume of water can dissolve 2 volumes of chlorine gas at room temperature

Density: 3.21 kg/m ³ [7-8] (101kpa, 20 ℃)

Appearance: A yellow green gas with a strong pungent odor at room temperature and pressure

Application: Sterilization, disinfection, bleaching

Safety description: S9; S45；S61

Hazard symbol: T+; C

Hazard description: R23; R50；R36/37/38

UN Dangerous Goods Number: 1017

CN Dangerous Goods Number: 23002