The CAS register number of Phosphine,1,1'-(1,2-phenylene)bis- is 80510-04-9. It also can be called as 1,2-Phenylenebisphosphine and the systematic name about this chemical is benzene-1,2-diyldiphosphane. The molecular formula about this chemical is C₆H₈P₂ and molecular weight is 142.08. It belongs to the following product categories which include Catalysis and Inorganic Chemistry; Phosphorus Compounds; Polydentate Phosphine Ligands and so on.

Physical properties about Phosphine,1,1'-(1,2-phenylene)bis- are: (1)#Freely Rotating Bonds: 2; (2)Polar Surface Area: 27.18Ų; (3)Flash Point: 102.1 °C; (4)Enthalpy of Vaporization: 46.27 kJ/mol; (5)Boiling Point: 245.2 °C at 760 mmHg; (6)Vapour Pressure: 0.0455 mmHg at 25°C.

Preparation: this chemical can be prepared by o-Phenylenbis(dichlorphosphan). This reaction is a kind of Reduction. This reaction will need reagent LiAlH₄.

Uses of p-Chloropropiophenone: it can be used to produce 1,2-bis(bis(2-<(+)-N-methyl-N-(1-phenylethyl)aminocarbonyl>ethyl))phosphanobenzene with (R)-(+)-N-methyl-N-(1-phenethyl)acrylamide at ambient temperature. This reaction will need reagent KOBu-t and solvent tetrahydrofuran with reaction time of 2 hours. The yield is about 92%.

When you are using this chemical, please be cautious about it as the following:
This chemical is toxic by inhalation or in contact with skin and if swallowed. It is irritating to eyes, respiratory system and skin. This chemical also can be spontaneously flammable in air. If you want to store this chemical, please keep container tightly closed and dry. When you are using it, please wear suitable protective clothing, gloves and eye/face protection, then keep away from sources of ignition. After contact with this chemical, please  take off immediately all contaminated clothing. In case of contact with eyes, please rinse immediately with plenty of water and seek medical advice. In case of fire use, there follows the type of fire-fighting equipment to be used.

You can still convert the following datas into molecular structure:
(1)SMILES: Pc1ccccc1P
(2)InChI: InChI=1/C6H8P2/c7-5-3-1-2-4-6(5)8/h1-4H,7-8H2
(3)InChIKey: DKFDVEXWZZOMGS-UHFFFAOYAY
(4)Std. InChI: InChI=1S/C6H8P2/c7-5-3-1-2-4-6(5)8/h1-4H,7-8H2
(5)Std. InChIKey: DKFDVEXWZZOMGS-UHFFFAOYSA-N