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479497 Sigma-Aldrich

4,4′-(Phenylphosphinidene)bis(benzenesulfonic acid) dipotassium salt hydrate

97%

  • CAS Number 308103-66-4

  • Linear Formula C6H5P(C6H4SO3K)2·xH2O

  • Molecular Weight 498.59 (anhydrous basis)

  •  MDL number MFCD01321353

  •  PubChem Substance ID 24871621

  •  NACRES NA.22

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Properties

Related Categories Basic Phosphine Ligands, Catalysis and Inorganic Chemistry, Chemical Synthesis, Cross-Coupling, Phosphine Compounds,
assay   97%
mp   370 °C (dec.) (lit.)
functional group   phosphine
reaction suitability   reaction type: Buchwald-Hartwig Cross Coupling Reaction
  reaction type: Heck Reaction
  reaction type: Hiyama Coupling
  reaction type: Negishi Coupling
  reaction type: Sonogashira Coupling
  reaction type: Stille Coupling
  reaction type: Suzuki-Miyaura Coupling
  reagent type: ligand
reaction type: Cross Couplings
SMILES string   O.[K+].[K+].[O-]S(=O)(=O)c1ccc(cc1)P(c2ccccc2)c3ccc(cc3)S([O-])(=O)=O
InChI   1S/C18H15O6PS2.2K.H2O/c19-26(20,21)17-10-6-15(7-11-17)25(14-4-2-1-3-5-14)16-8-12-18(13-9-16)27(22,23)24;;;/h1-13H,(H,19,20,21)(H,22,23,24);;;1H2/q;2*+1;/p-2
InChI key   PRAGZPSLQQRHKD-UHFFFAOYSA-L

Description

Packaging

1, 2.5 g in glass bottle

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles
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