The 1H,1H,5H-Perfluoropentyl-1,1,2,2-tetrafluoroethylether, with the CAS registry number 16627-71-7, is also known as 2,2,3,3,4,4,5,5-Octafluoropentyl 1,1,2,2-tetrafluoroethyl ether. This chemical's molecular formula is C₇H₄F₁₂O and molecular weight is 332.09. What's more, its systematic name is 1,1,2,2,3,3,4,4-Octafluoro-5-(1,1,2,2-tetrafluoroethoxy)pentane.

Physical properties of 1H,1H,5H-Perfluoropentyl-1,1,2,2-tetrafluoroethylether are: (1)ACD/LogP: 3.828; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 3.83; (4)ACD/LogD (pH 7.4): 3.83; (5)ACD/BCF (pH 5.5): 477.48; (6)ACD/BCF (pH 7.4): 477.48; (7)ACD/KOC (pH 5.5): 2878.73; (8)ACD/KOC (pH 7.4): 2878.73; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 7; (12)Polar Surface Area: 9.23 Å²; (13)Index of Refraction: 1.279; (14)Molar Refractivity: 37.969 cm³; (15)Molar Volume: 216.764 cm³; (16)Polarizability: 15.052×10^-24cm³; (17)Surface Tension: 14.03 dyne/cm; (18)Density: 1.532 g/cm³; (19)Flash Point: 45.037 °C; (20)Enthalpy of Vaporization: 36.275 kJ/mol; (21)Boiling Point: 141.161 °C at 760 mmHg; (22)Vapour Pressure: 7.41mmHg at 25°C.

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

You can still convert the following datas into molecular structure:
(1)SMILES: FC(F)C(F)(F)OCC(F)(F)C(F)(F)C(F)(F)C(F)F
(2)Std. InChI: InChI=1S/C7H4F12O/c8-2(9)5(14,15)7(18,19)4(12,13)1-20-6(16,17)3(10)11/h2-3H,1H2
(3)Std. InChIKey: ZNBGTBKGFZMWKR-UHFFFAOYSA-N