Skip Navigation
ChemIDplus A TOXNET DATABASE LiteBrowseAdvanced

Substance Name: Lawesson's reagent
RN: 19172-47-5
UNII: A4125MQ8RX
InChIKey: CFHGBZLNZZVTAY-UHFFFAOYSA-N

Note

  • Thiation agent.

Classification Code

  • TSCA Flag PMN (a Commenced PMN (Premanufacture Notice) Substance)

Molecular Formula

  • C14-H14-O2-P2-S4

Molecular Weight

  • 404.475
 
* denotes mobile formatted website

Links to Resources

NLM Resources (File Locators)

Regulatory Agencies (Superlist Locators)

Other Resources (Internet Locators)


Search for this InChIKey on the Web

Names and Synonyms

Name of Substance

  • 2,4-Bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane-2,4-disulfide
  • Lawesson's reagent

Synonyms

  • EINECS 242-855-4
  • NSC 150550
  • UNII-A4125MQ8RX

Systematic Names

  • 1,3,2,4-Dithiadiphosphetane, 2,4-bis(4-methoxyphenyl)-, 2,4-disulfide
  • 2,4-Bis(4-methoxyphenyl)-1,3-dithia-2,4-diphosphetane 2,4-disulphide

Registry Numbers

CAS Registry Number

  • 19172-47-5

FDA UNII

  • A4125MQ8RX

Other Registry Numbers

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

System Generated Number

  • 0019172475

Structure Descriptors

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

CFHGBZLNZZVTAY-UHFFFAOYSA-N

Smiles

S=P1(c2ccc(cc2)OC)SP(=S)(S1)c1ccc(cc1)OC

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 229 deg C   EXP
log P (octanol-water) 3.860 (none)   EST
Atmospheric OH Rate Constant 1.51E-10 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.