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Thionyl Chloride
Detailed introduction:

Thionyl Chloride

Light yellow to red liquid, with a strong smell of stimulation. It can be mixed in organic solvents such as benzene, chloroform, carbon tetrachloride and so on.

CAS No:7719-09-7

HS Code: 2812190010

Molecular formula: Cl2OS

Molecular weight: 118.97



Light yellow to red liquid

Melting point ()


Boiling point (℃)


Relative density (water =1)

1.64 g/mL at 20 °C

Saturated vapor pressure 

97 mm Hg ( 20 °C)

Refractive index

n20/D 1.518

Flash point


Storage conditions

Store at RT


Used for organic compounds, such as alcohols, organic sulfonic acid anhydride, hydroxy and nitro compounds synthesis or replacement of chlorinating agent, also used in the closed-loop reaction of acyl chloride thiazolines, pyrrolidine amide, synthesis catalyst, catalyst preparation, pharmaceutical intermediates, dye intermediates of organic anhydride synthesis. In addition, it is also used as an analytical reagent for the determination of aromatic amines and aliphatic amines.


Packing and transportation: 

Closed storage, barreled or tanker transportation.

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