Thiophosphoryl chloride

Thiophosphoryl chloride is an inorganic compound with the chemical formula PSCl3. It is a colorless pungent smelling liquid that fumes in air. It is synthesized from phosphorus chloride and used to thiophosphorylate organic compounds, such as to produce insecticides.

Thiophosphoryl chloride
Names
IUPAC name
Phosphorothioic trichloride
Other names
  • Phosphoric sulfochloride (1:3)
  • Phosphorus(V) sulfochloride
  • Thiophosphoryl chloride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.021.476
EC Number
  • 223-622-6
RTECS number
  • XN2930000
UNII
UN number 1837
  • InChI=1S/Cl3PS/c1-4(2,3)5 Y
    Key: WQYSXVGEZYESBR-UHFFFAOYSA-N Y
  • InChI=1/Cl3PS/c1-4(2,3)5
    Key: WQYSXVGEZYESBR-UHFFFAOYAE
  • P(=S)(Cl)(Cl)Cl
Properties
PSCl3
Molar mass 169.38 g·mol−1
Appearance Colorless liquid
Density 1.67 g/cm3
Melting point −35 °C (−31 °F; 238 K)
Boiling point 125 °C (257 °F; 398 K)
Reacts
Solubility Soluble in benzene, chloroform, CS2 and CCl4.
Structure
Tetrahedral at the P atom
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Violent hydrolysis; releasing HCl on contact with water, maybe corrosive to metals and skin
GHS labelling:
Danger
H302, H314, H330
P260, P264, P270, P271, P280, P284, P301+P317, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P320, P321, P330, P363, P403+P233, P405, P501
Flash point none
Related compounds
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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