2-(Diphenylphosphino)benzenesulfonic acid Chemical Properties

Melting point:

255-260°C

storage temp. 

2-8°C, stored under nitrogen

pka

-0.93±0.18(Predicted)

form 

solid

Appearance

White to off-white Solid

InChI

1S/C18H15O3PS/c19-23(20,21)18-14-8-7-13-17(18)22(15-9-3-1-4-10-15)16-11-5-2-6-12-16/h1-14H,(H,19,20,21)

InChIKey

HXVJDHROZFWXHT-UHFFFAOYSA-N

SMILES

OS(=O)(=O)c1ccccc1P(c2ccccc2)c3ccccc3

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26

WGK Germany 

3

Storage Class

11 - Combustible Solids

Hazard Classifications

Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

2-(Diphenylphosphino)benzenesulfonic acid Usage And Synthesis

Uses

2-(Diphenylphosphino)benzenesulfonic acid can be used as a ligand precursor for the preparation of various transition metal complexes, which are employed as catalysts in the different organic transformations such as Heck reaction, regioselective allylation, hydrogenation of ketones, N-alkylation of amines, and olefin oligomerization and polymerization reactions.