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479497

Sigma-Aldrich

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

97%

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About This Item

Linear Formula:
C6H5P(C6H4SO3K)2·xH2O
CAS Number:
Molecular Weight:
498.59 (anhydrous basis)
MDL number:
UNSPSC Code:
12352002
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

97%

reaction suitability

reaction type: Buchwald-Hartwig Cross Coupling Reaction
reaction type: Cross Couplings
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

mp

370 °C (dec.) (lit.)

functional group

phosphine

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

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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