Skip to Content
MilliporeSigma
All Photos(1)

Key Documents

698539

Sigma-Aldrich

Bis(p-sulfonatophenyl)phenylphosphine dihydrate dipotassium salt

97%

Synonym(s):

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

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C18H13K2O6PS2 · 2H2O
CAS Number:
Molecular Weight:
534.62
MDL number:
UNSPSC Code:
12352002
PubChem Substance ID:
NACRES:
NA.22

Quality Level

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

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

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Photomediated synthesis of silver triangular bipyramids and prisms: the effect of pH and BSPP.
Zhang, Jian et al.
Journal of the American Chemical Society, 132(35), 12502-12510 (2010)
Julian A Lloyd et al.
ACS nano, 11(2), 1604-1612 (2017-02-07)
Asymmetric nanoparticle trimers composed of particles with increasing diameter act as "plasmonic lenses" and have been predicted to exhibit ultrahigh confinement of electromagnetic energy in the space between the two smallest particles. Here we present an electrostatic self-assembly approach for
Speciation analysis of silver sulfide nanoparticles in environmental waters by magnetic solid-phase extraction coupled with ICP-MS.
Zhou, Xiaoxia et al.
Journal of Analytical Atomic Spectrometry, 31(11), 2285-2292 (2016)
Chirality of self-assembled metal-semiconductor nanostructures.
Sun, Maozhong et al.
Journal of Material Chemistry C, 2(15), 2702-2706 (2014)
Mechanistic study of photomediated triangular silver nanoprism growth.
Xue, Can et al.
Journal of the American Chemical Society, 130(26), 8337-8344 (2008)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service