The Benzeneethanesulfonylchloride, β-phenyl-, with the CAS registry number 71351-01-4, has the systematic name and IUPAC name of 2,2-diphenylethanesulfonyl chloride. It is a kind of irritant chemical, and the molecular formula of the chemical is C₁₄H₁₃ClO₂S.

The characteristics of Benzeneethanesulfonylchloride, β-phenyl- are as followings: (1)ACD/LogP: 4.04; (2)# of Rule of 5 Violations: 0 ; (3)#H bond acceptors: 2; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 4; (6)Polar Surface Area: 42.52 Å²; (7)Index of Refraction: 1.596; (8)Molar Refractivity: 74.35 cm³; (9)Molar Volume: 218.5 cm³; (10)Polarizability: 29.47×10^-24cm³; (11)Surface Tension: 49 dyne/cm; (12)Density: 1.284 g/cm³; (13)Flash Point: 185.9 °C; (14)Enthalpy of Vaporization: 60.76 kJ/mol; (15)Boiling Point: 383.7 °C at 760 mmHg; (16)Vapour Pressure: 9.5E-06 mmHg at 25°C. 

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: ClS(=O)(=O)CC(c1ccccc1)c2ccccc2
(2)InChI: InChI=1/C14H13ClO2S/c15-18(16,17)11-14(12-7-3-1-4-8-12)13-9-5-2-6-10-13/h1-10,14H,11H2
(3)InChIKey: DYESDWUOAPVIIV-UHFFFAOYAG