The Ethane,1-chloro-2-(methylsulfonyl)-, with the CAS registry number 50890-51-2, is also known as Sulfone,2-chloroethyl methyl (6CI). This chemical's molecular formula is C₃H₇ClO₂S and molecular weight is 142.6045. What's more, its IUPAC name is 1-Chloro-2-methylsulfonylethane. 

Physical properties about Ethane,1-chloro-2-(methylsulfonyl)- are: (1)ACD/LogP: -0.49; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 2; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 2; (6)Polar Surface Area: 42.52 Å²; (7)Index of Refraction: 1.44; (8)Molar Refractivity: 29.58 cm³; (9)Molar Volume: 110.4 cm³; (10)Polarizability: 11.72×10^-24 cm³; (11)Surface Tension: 37.3 dyne/cm; (12)Density: 1.29 g/cm³; (13)Flash Point: 130.9 °C; (14)Enthalpy of Vaporization: 51.1 kJ/mol; (15)Boiling Point: 292.8 °C at 760 mmHg; (16)Vapour Pressure: 0.00315 mmHg at 25 °C.

Preparation of Ethane,1-chloro-2-(methylsulfonyl)-: this chemical is prepared by 1-Chloro-2-methylsulfanyl-ethane. This reaction needs reagents 2,6-di-t-butylpyridine, TBAPF₆ and solvent acetonitrile. The reaction time is 12 hours. The yield is 80 %. And the reaction equation is as followed:

Use of Ethane,1-chloro-2-(methylsulfonyl)-: it is used to produce other chemicals. For example, it is used to produce bis-(2-Methanesulfonyl-ethyl)-sulfide. The reaction occurs with reagent Na₂S*9H₂O. The yield is 78 %. And the reaction equation is as followed:

You can still convert the following datas into molecular structure:
(1) SMILES: ClCCS(=O)(=O)C
(2) InChI: InChI=1/C3H7ClO2S/c1-7(5,6)3-2-4/h2-3H2,1H3
(3) InChIKey: DKWNYTKOLIZNAX-UHFFFAOYAQ