The Diphosphine,1,1,2,2-tetraphenyl-, with the CAS registry number 1101-41-3, is also known as 1,1,2,2-Tetraphenyldiphosphine. It belongs to the product categories of Ligand; Catalysis and Inorganic Chemistry; Phosphorus Compounds; Polydentate Phosphine Ligands. Its EINECS registry number is 214-155-9. This chemical's molecular formula is C₂₄H₂₀P₂ and molecular weight is 370.36. What's more, its systematic name is called Tetraphenyldiphosphane.

Physical properties about Diphosphine,1,1,2,2-tetraphenyl- are: (1)ACD/LogP: 8.81; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 8.81; (4)ACD/LogD (pH 7.4): 8.81; (5)ACD/BCF (pH 5.5): 1000000; (6)ACD/BCF (pH 7.4): 1000000; (7)ACD/KOC (pH 5.5): 1479449.75; (8)ACD/KOC (pH 7.4): 1479449.75; (9)#H bond acceptors: 0; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 5; (12)Polar Surface Area: 27.18 Å²; (13)Flash Point: 273.1 °C; (14)Enthalpy of Vaporization: 74.71 kJ/mol; (15)Boiling Point: 506.6 °C at 760 mmHg; (16)Vapour Pressure: 6.94E-10 mmHg at 25 °C.

Preparation of Diphosphine,1,1,2,2-tetraphenyl-: this chemical can be prepared by (2-Oxo-2-phenylethyl)mercury chloride with Diphenylphosphane; potassium salt. This reaction needs reagent 18-crown-6 and solvent hexamethylphosphoric acid triamide. The reaction time is 30 min. The yield is 47 %.

Uses of Diphosphine,1,1,2,2-tetraphenyl-: it is used to produce other chemicals. For example, it can react with Tetraphenyl-diphosphane to get Tetraphenyl-diphosphane P,P'-dioxide. The reaction occurs with solvent dimethylsulfoxide and other condition of irradiation for 30 min. The yield is 72 %.

When you are dealing with this chemical, you should be very careful. This chemical is irritating to eyes, respiratory system and skin. Therefore, you should wear suitable protective gloves and eye/face protection. In case of contacting with eyes, you should rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1) SMILES: c4(P(P(c1ccccc1)c2ccccc2)c3ccccc3)ccccc4
(2) InChI: InChI=1/C24H20P2/c1-5-13-21(14-6-1)25(22-15-7-2-8-16-22)26(23-17-9-3-10-18-23)24-19-11-4-12-20-24/h1-20H
(3) InChIKey: DAPZRBJQPPDZGH-UHFFFAOYAC