The Phosphinous acid,P,P-diphenyl-, phenyl ester, with the CAS registry number 13360-92-4, has the systematic name of phenyl diphenylphosphinite. And the molecular formula of this chemical is C₁₈H₁₅OP. It is a kind of organics, and should be stored in the dry and cool environment.

The physical properties of Phosphinous acid,P,P-diphenyl-, phenyl ester are as following: (1)ACD/LogP: 4.90; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 7; (4)ACD/LogD (pH 7.4): 7; (5)ACD/BCF (pH 5.5): 53692; (6)ACD/BCF (pH 7.4): 53692; (7)ACD/KOC (pH 5.5): 84577; (8)ACD/KOC (pH 7.4): 84577; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 22.82 Å²; (13)Flash Point: 235.23 °C; (14)Enthalpy of Vaporization: 61.585 kJ/mol; (15)Boiling Point: 391.297 °C at 760 mmHg; (16)Vapour Pressure: 0 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O(c1ccccc1)P(c2ccccc2)c3ccccc3
(2)InChI: InChI=1/C18H15OP/c1-4-10-16(11-5-1)19-20(17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-15H
(3)InChIKey: UPDNYUVJHQABBS-UHFFFAOYAB