The CAS registry number of Methanone,bis(2-chlorophenyl)- is 5293-97-0. The IUPAC name is bis(2-chlorophenyl)methanone. In addition, the molecular formula is C₁₃H₈Cl₂O and the molecular weight is 251.11. It is also called Benzophenone,2,2'-dichloro-. What's more, it belongs to the class of Aromatic Benzophenones & Derivatives (substituted). And it should be stored in sealed container, and put in a cool and dry place.

Physical properties about this chemical are: (1)ACD/LogP: 3.53; (2)#H bond acceptors: 1 ; (3)#Freely Rotating Bonds: 2; (4)Polar Surface Area: 17.07 Å²; (5)Index of Refraction: 1.603; (6)Molar Refractivity: 65.83 cm³; (7)Molar Volume: 191.4 cm³; (8)Polarizability: 26.09 ×10^-24cm³; (9)Surface Tension: 46 dyne/cm; (10)Density: 1.311 g/cm³; (11)Flash Point: 154.2 °C; (12)Enthalpy of Vaporization: 61.1 kJ/mol; (13)Boiling Point: 364.8 °C at 760 mmHg; (14)Vapour Pressure: 1.65E-05 mmHg at 25°C.

Preparation of Methanone,bis(2-chlorophenyl)-: it can be prepared by 2,2'-dichloro-benzhydrol. This reaction will need reagent Zn(ClCrO₃)₂*9H₂O and solvent CH₂Cl₂. The reaction time is 1 hour with ambient temperature. The yield is about 70%.

Uses of Methanone,bis(2-chlorophenyl)-: it can react with methanethiol to get 2,2'-bis-methylsulfanyl-benzophenone. This reaction will need reagent sodium methoxide and solvent bis-(2-methoxy-ethyl) ether. The reaction time is 24 hours at reaction temperature of 100 °C. The yield is about 86%.

When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes, respiratory system and skin. When you are using it, wear suitable protective clothing. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(c1ccccc1Cl)c2ccccc2Cl
(2)InChI: InChI=1/C13H8Cl2O/c14-11-7-3-1-5-9(11)13(16)10-6-2-4-8-12(10)15/h1-8H
(3)InChIKey: DRDRZHJTTDSOPK-UHFFFAOYAM