The CAS registry number of Furan,2,2'-(1-methylethylidene)bis- is 17920-88-6. The IUPAC name is 2-[2-(furan-2-yl)propan-2-yl]furan. In addition, the molecular formula is C₁₁H₁₂O₂ and the molecular weight is 176.21. It is also called 2-[1-(2-furyl)-1-methylethyl]furan. What's more, it should be stored in a cool and dry place.

Physical properties about this chemical are: (1)ACD/LogP: 3.23; (2)ACD/LogD (pH 5.5): 3.23; (3)ACD/LogD (pH 7.4): 3.23; (4)ACD/BCF (pH 5.5): 166.74; (5)ACD/BCF (pH 7.4): 166.74; (6)ACD/KOC (pH 5.5): 1355.63; (7)ACD/KOC (pH 7.4): 1355.63; (8)#H bond acceptors: 2; (9)#Freely Rotating Bonds: 2; (10)Polar Surface Area: 26.28 Å²; (11)Index of Refraction: 1.494; (12)Molar Refractivity: 49 cm³; (13)Molar Volume: 168.2 cm³; (14)Polarizability: 19.42 ×10^-24cm³; (15)Surface Tension: 31.1 dyne/cm; (16)Density: 1.047 g/cm³; (17)Flash Point: 105.2 °C; (18)Enthalpy of Vaporization: 46.93 kJ/mol; (19)Boiling Point: 251.8 °C at 760 mmHg; (20)Vapour Pressure: 0.0319 mmHg at 25°C.

Preparation of Furan,2,2'-(1-methylethylidene)bis-: it can be prepared by furan and propan-2-one. The other product is 2,5-bis-(1-furan-2-yl-1-methyl-ethyl)-furan. This reaction will need reagent 37percent aq. HCl and solvent ethanol. The reaction time is 18 hours with ambient temperature. The yield is about 20.5%.

Uses of Furan,2,2'-(1-methylethylidene)bis-: it can react with trifluoroacetic acid anhydride to get 2,2-bis(5-trifluoroacetylfur-2-yl)propane. This reaction will need solvent benzene. The yield is about 75%.

You can still convert the following datas into molecular structure:
(1)SMILES: o1c(ccc1)C(c2occc2)(C)C
(2)InChI: InChI=1/C11H12O2/c1-11(2,9-5-3-7-12-9)10-6-4-8-13-10/h3-8H,1-2H3
(3)InChIKey: OFBSTYYRPIFDPM-UHFFFAOYAD