SynonymSulfinyl chloride, Sulfur chloride oxide (Cl2SO), Sulfurous dichloride, Sulfurous oxychloride, Thionyl dichloride, SOCl2, Sulfur chloride oxide, UN 1836, Sulfinyl dichloride, Sulfur oxychloride, Sulfur oxychloride (SOCl2), Thionyl chloride (SOCl2), chloruredethionyle, SOCl2, Sulfinyl chloride, Sulfinyl dichloride, sulfinylchloride, Sulfoxidechloride, Sulfur chloride oxide, Sulfur chloride oxide (Cl2SO), AI3-10628, CCRIS 1280, EC 231-748-8, EINECS 231-748-8, HSDB 859, Sulfinyl chloride, Sulfur chloride oxide (Cl2SO), Sulfur oxychloride, Sulfurous dichloride, Sulfurous oxychloride, Thionyl chloride, UNII-4A8YJA13N4, Thionyl chloride, Thionyl dichloride, Superlist Names Thionyl chloride, Thionyl chloride [UN1836] [Corrosive], UN1836, Thionyl chloride, Sulfinyl chloride, Sulfur chloride oxide, Sulfurous dichloride, Sulfurous oxychloride, Sulfur oxychloride Thionyl dichloride
Molecular weight118.97
EINECS231-748-8
SMILESS(=O)(Cl)Cl
InChI1S/Cl2OS/c1-4(2)3
Color=50(APHA)
StabilityReacts violently with water. Incompatible with most common metals, strong reducing agents, strong bases, alcohols, amines.
Vapor Pressure97 mm Hg ( 20 °C)
Storage TemperatureStore at room temperature.
FormLiquid
Melting Point-105 °C
Refractive Index1.518
Merck14,9348
Flash Point105°C
SensitiveMoisture Sensitive
Boiling Point79 °C
Water solubilityREACTS
Density1.64 g/mL at 20 °C
SolubilityMiscible with toluene, chloroform, benzene, carbon tetrachloride and diethyl ether.