1,3,5-Tri(diphenylphosphoryl-phen-3-yl) benzene

1,3,5-Tri(diphenylphosphoryl-phen-3-yl) benzene, with CAS No. 1311378-95-6, is an organophosphorus compound used in research and development. It is a white crystalline solid with a melting point of 174-177°C and a density of 1.17 g/cm3. It is soluble in organic solvents such as chloroform and dimethylformamide, and has a vapor pressure of 0.0005 mm Hg at 25°C. 1,3,5-Tri(diphenylphosphoryl-phen-3-yl) benzene has a molecular formula of C60H45O3P3 and a molecular weight of 906.92 g/mol.


Chemical Name:

1,3,5-Tri(diphenylphosphoryl-phen-3-yl) benzene



Molecular Fomula:


Formula Weight:


Chemical Uses


1,3,5-Tri(diphenylphosphoryl-phen-3-yl) benzene is an organophosphorus compound with a CAS No. of 1311378-95-6 that is used in research and development. It is a white crystalline solid with a melting point of 174-177°C and a density of 1.17 g/cm3. The molecular formula of 1,3,5-Tri(diphenylphosphoryl-phen-3-yl) benzene is C60H45O3P3 and its molecular weight is 906.92 g/mol.

Chemical Properties:

White crystalline solid


1,3,5-Tri(diphenylphosphoryl-phen-3-yl) benzene is a versatile chemical compound with a wide range of applications. In the pharmaceutical industry, it is used as a reagent for the synthesis of new active pharmaceutical ingredients, as well as for the synthesis of phospholipids and other phosphorous compounds. In the automotive industry, it is used as an additive in gasoline and diesel fuels to reduce emissions. In the textile industry, it is used as a flame retardant in polymers and textiles. 

In research and development, 1,3,5-Tri(diphenylphosphoryl-phen-3-yl) benzene is used as a starting material for the preparation of organophosphorus compounds. It is also used as a catalyst in the synthesis of organic compounds. Moreover, it can be used in the preparation of pharmaceuticals, pesticides, and other chemical products.

Chemical Properties

Chemical name:

1,3,5-Tri(diphenylphosphoryl-phen-3-yl) benzene

Cas No:


Molecular Formula:


Formula Weight:

906.92 g/mol

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Tags: TP3PO; 1,3,5-tri[3-(diphenylphosphoryl)phenyl]benzene; 1,3,5-Tri(diphenylphosphoryl-phen-3-yl) benzene; (5′-(3-(Diphenylphosphoryl)phenyl)-[1,1′:3′,1”-terphenyl]-3,3”-diyl)bis(diphenylphosphine oxide); Phosphine oxide, 1,1′-[5′-[3-(diphenylphosphinyl)phenyl][1,1′:3′,1”-terphenyl]-3,3”-diyl]bis[1,1-diphenyl-; 135 trimethylbenzene; 135 trichlorobenzene; triphenylphosphine nmr; 135 trimethoxybenzene; triphenylphosphine h nmr; triphenylphosphine nmr 31p; triphenylphosphine dibromide; 1 3 5-triphenylbenzene

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