Lawesson's reagent

CAS Registry Number®

19172-47-5
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CAS Name

Lawesson's reagent

Molecular Formula

C14H14O2P2S4

Molecular Mass

404.47

Cite this Page

Lawesson's reagent.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=19172-47-5 (retrieved 2024-03-19) (CAS RN: 19172-47-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    229 °C

Source(s)

  • (1) PhysProp data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

Other Names and Identifiers

InChI

InChI=1S/C14H14O2P2S4/c1-15-11-3-7-13(8-4-11)17(19)21-18(20,22-17)14-9-5-12(16-2)6-10-14/h3-10H,1-2H3

InChIKey

InChIKey=CFHGBZLNZZVTAY-UHFFFAOYSA-N

SMILES

S=P1(SP(=S)(S1)C2=CC=C(OC)C=C2)C3=CC=C(OC)C=C3

Canonical SMILES

S=P1(SP(=S)(S1)C2=CC=C(OC)C=C2)C3=CC=C(OC)C=C3

Other Names for this Substance

  • 1,3,2,4-Dithiadiphosphetane, 2,4-bis(4-methoxyphenyl)-, 2,4-disulfide
  • Phosphonotrithioic acid, (p-methoxyphenyl)-, bimol. cyclic anhydrosulfide
  • p-Anisyldithiophosphonic anhydride
  • 2,4-Bis(p-methoxyphenyl)-1,3,2,4-dithiadiphosphetane 2,4-disulfide
  • Lawesson's reagent

Deleted or Replaced CAS Registry Numbers

114668-60-9, 136390-48-2, 72728-81-5, 94367-93-8

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