The Methanone,bis(2,3,4,5,6-pentafluorophenyl)-, with the CAS registry number 853-39-4 and EINECS registry number 217-717-8, has the systematic name of bis(pentafluorophenyl)methanone. It is a kind of stable chemical, and it is also incompatible with strong oxidising agents. And the molecular formula of the chemical is C₁₃F₁₀O.

The characteristics of Methanone,bis(2,3,4,5,6-pentafluorophenyl)- are as followings: (1)ACD/LogP: 1.40; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.4; (4)ACD/LogD (pH 7.4): 1.4; (5)ACD/BCF (pH 5.5): 6.8; (6)ACD/BCF (pH 7.4): 6.8; (7)ACD/KOC (pH 5.5): 137.32; (8)ACD/KOC (pH 7.4): 137.32; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 17.07 Å²; (13)Index of Refraction: 1.446; (14)Molar Refractivity: 55.98 cm³; (15)Molar Volume: 209.6 cm³; (16)Polarizability: 22.19×10^-24cm³; (17)Surface Tension: 31.8 dyne/cm; (18)Density: 1.727 g/cm³; (19)Flash Point: 137.4 °C; (20)Enthalpy of Vaporization: 60.48 kJ/mol; (21)Boiling Point: 359.2 °C at 760 mmHg; (22)Vapour Pressure: 2.42E-05 mmHg at 25°C.

Uses of Methanone,bis(2,3,4,5,6-pentafluorophenyl)-: It can react with 2-fluoro-aniline to produce [bis-(2,3,4,5,6-pentafluoro-phenyl)-methylene]-(2-fluoro-phenyl)-amine. This reaction will need reagent AlCl₃, and the menstruum chlorobenzene. And the yield is about 77%.   

You should be cautious while dealing with this chemical. It irritates to eyes, respiratory system and skin. Therefore, you had better take the following instructions: Wear suitable gloves and eye/face protection, and if in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: Fc1c(c(F)c(F)c(F)c1F)C(=O)c2c(F)c(F)c(F)c(F)c2F
(2)InChI: InChI=1/C13F10O/c14-3-1(4(15)8(19)11(22)7(3)18)13(24)2-5(16)9(20)12(23)10(21)6(2)17
(3)InChIKey: WWQLXRAKBJVNCC-UHFFFAOYAC