The 2,7-Di-tert-butylfluorene, with the CAS registry number 58775-05-6, has the systematic name of 2,7-di-tert-butyl-9H-fluorene. It belongs to the following product categories: Fluorene Derivatives ;Arenes; Building Blocks; Organic Building Blocks. And the molecular formula of this chemical is C₂₁H₂₆.

The physical properties of 2,7-Di-tert-butylfluorene are as following: (1)ACD/LogP: 7.54; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 7.54; (4)ACD/LogD (pH 7.4): 7.54; (5)ACD/BCF (pH 5.5): 316653.03; (6)ACD/BCF (pH 7.4): 316653.03; (7)ACD/KOC (pH 5.5): 301225.25; (8)ACD/KOC (pH 7.4): 301225.25; (9)#H bond acceptors: 0; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 0 Å²; (13)Index of Refraction: 1.556; (14)Molar Refractivity: 90.57 cm³; (15)Molar Volume: 281.7 cm³; (16)Polarizability: 35.9×10^-24cm³; (17)Surface Tension: 34.5 dyne/cm; (18)Density: 0.988 g/cm³; (19)Flash Point: 194.2 °C; (20)Enthalpy of Vaporization: 59.53 kJ/mol; (21)Boiling Point: 372.4 °C at 760 mmHg; (22)Vapour Pressure: 2.06E-05 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: c1cc(cc3c1c2c(cc(cc2)C(C)(C)C)C3)C(C)(C)C
(2)InChI: InChI=1/C21H26/c1-20(2,3)16-7-9-18-14(12-16)11-15-13-17(21(4,5)6)8-10-19(15)18/h7-10,12-13H,11H2,1-6H3
(3)InChIKey: DFZYPLLGAQIQTD-UHFFFAOYAD