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698539

Sigma-Aldrich

Bis(p-sulfonatophenyl)phenylphosphine dihydrate dipotassium salt

97%

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Synonym(s):
BSPP, 4,4′-(Phenylphosphinidene)bis-benzenesulfonic acid dipotassium salt
Empirical Formula (Hill Notation):
C18H13K2O6PS2 · 2H2O
CAS Number:
308103-66-4
Molecular Weight:
534.62
MDL number:
MFCD00269831
PubChem Substance ID:
329762008
NACRES:
NA.22

Quality Level

100

Assay

97%

form

solid

reaction suitability

reagent type: ligand
reaction type: Suzuki-Miyaura Coupling

mp

98-102 °C

functional group

phosphine

SMILES string

O.O.[K+].[K+].[O-]S(=O)(=O)c1ccc(cc1)P(c2ccccc2)c3ccc(cc3)S([O-])(=O)=O

InChI

1S/C18H15O6PS2.2K.2H2O/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);;;2*1H2/q;2*+1;;/p-2

InChI key

CVKCKLNGVYHFAX-UHFFFAOYSA-L

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700754700746754560
Bis(p-sulfonatophenyl)phenylphosphine dihydrate dipotassium salt 97%

Sigma-Aldrich

698539

Bis(p-sulfonatophenyl)phenylphosphine dihydrate dipotassium salt

(R)-SDP

Sigma-Aldrich

700754

(R)-SDP

(S)-SDP ≥95%

Sigma-Aldrich

700746

(S)-SDP

S-(4,4′,6,6′-Tetramethoxybiphenyl-2,2′-diyl)bis(diphenylphosphine) 97%

Sigma-Aldrich

754560

S-(4,4′,6,6′-Tetramethoxybiphenyl-2,2′-diyl)bis(diphenylphosphine)

form

solid

form

solid

form

solid

form

solid

reaction suitability

reagent type: ligand
reaction type: Suzuki-Miyaura Coupling

reaction suitability

reagent type: ligand

reaction suitability

-

reaction suitability

-

mp

98-102 °C

mp

198-203 °C

mp

199-204 °C

mp

246-251 °C

functional group

phosphine

functional group

phosphine

functional group

-

functional group

-

Application

Bis(p-sulfonatophenyl)phenylphosphine dihydrate dipotassium salt (BSPP) is a water-soluble triarylphosphine salt that forms coordination complexes with silver ions, which is extensively used in the synthesis of silver nanoparticles (AgNPs).

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315 - H319 - H335

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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