1,2-Bis(diphenylphosphino)benzene

1,2-Bis(diphenylphosphino)benzene
Names
	Preferred IUPAC name (1,2-Phenylene)bis(diphenylphosphane)
	Other names o-Phenylenebis[diphenylphosphine, dppben, dppbenz, dppbe, dppBz, dppbz
Identifiers
CAS Number	13991-08-7 [ChemSpider];
3D model (JSmol)	Interactive image;
ChemSpider	436234;
PubChem CID	498379;
CompTox Dashboard (EPA)	DTXSID60333306 ;
	InChI InChI=1S/C30H24P2/c1-5-15-25(16-6-1)31(26-17-7-2-8-18-26)29-23-13-14-24-30(29)32(27-19-9-3-10-20-27)28-21-11-4-12-22-28/h1-24H Key: NFRYVRNCDXULEX-UHFFFAOYSA-N;
	SMILES C1=CC=C(C=C1)P(C2=CC=CC=C2)C3=CC=CC=C3P(C4=CC=CC=C4)C5=CC=CC=C5;
Properties
Chemical formula	C30H24P2
Molar mass	446.470 gÂ·molâ1
Appearance	white solid
Melting point	185â187 Â°C (365â369 Â°F; 458â460 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 Â°C [77 Â°F], 100 kPa). Infobox references

1,2-Bis(diphenylphosphino)benzene (dppbz) is an organophosphorus compound with the formula C₆H₄(PPh₂)₂ (Ph = C₆H₅). Classified as a diphosphine ligand, it is a common bidentate ligand in coordination chemistry.^[1] It is a white, air-stable solid. ^[2] As a chelating ligand, dppbz is very similar to 1,2-bis(diphenylphosphino)ethylene.

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