2-Diphenylphosphinobenzoic acid

2-Diphenylphosphinobenzoic acid
Names
	Preferred IUPAC name 2-(Diphenylphosphanyl)benzoic acid
Identifiers
CAS Number	17261-28-8 ;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL361405;
ChemSpider	78496;
EC Number	241-293-7;
PubChem CID	87021;
UNII	5TH63M8SLV ;
	InChI InChI=1S/C19H15O2P/c20-19(21)17-13-7-8-14-18(17)22(15-9-3-1-4-10-15)16-11-5-2-6-12-16/h1-14H,(H,20,21) Key: UYRPRYSDOVYCOU-UHFFFAOYSA-N;
	SMILES C1=CC=C(C=C1)P(C2=CC=CC=C2)C3=CC=CC=C3C(=O)O;
Properties
Chemical formula	C19H15O2P
Molar mass	306.301 g·mol−1
Appearance	white solid
Density	1.278 g/cm3
Melting point	174–181 °C (345–358 °F; 447–454 K)
Solubility in water	alcohols, acetone, CH2Cl2
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319, H332, H335
Precautionary statements	P261, P264, P271, P280, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

2-Diphenylphosphinobenzoic acid is an organophosphorus compound with the formula (C₆H₅)₂PC₆H₄CO₂H. It is a white solid that dissolves in polar organic solvents. The ligand is a component of catalysts used for the Shell higher olefin process.[1] It is prepared by the reaction of sodium diphenylphosphide with the sodium salt of 2-chlorobenzoic acid.[2]

References

Keim W; Schulz R. P. (1994). "Chelate control in the nickel-complex catalysed homogeneous oligomerization of ethylene". Journal of Molecular Catalysis. 92: 21–33. doi:10.1016/0304-5102(94)00050-6.
Hoots, J. E.; Rauchfuss, T. B.; Wrobleski, D. A. (1982). "Substituted Triaryl Phosphines". Inorganic Syntheses. 21: 175–179. doi:10.1002/9780470132524.ch39. ISBN 9780470132524.

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[1] Keim W; Schulz R. P. (1994). "Chelate control in the nickel-complex catalysed homogeneous oligomerization of ethylene". Journal of Molecular Catalysis. 92: 21–33. doi:10.1016/0304-5102(94)00050-6.

[2] Hoots, J. E.; Rauchfuss, T. B.; Wrobleski, D. A. (1982). "Substituted Triaryl Phosphines". Inorganic Syntheses. 21: 175–179. doi:10.1002/9780470132524.ch39. ISBN 9780470132524.