The Benzene, 1-ethyl-4-[2-(4-methoxyphenyl)ethynyl]-, with the CAS registry number 63221-88-5, is also known as 4-[(4-Ethylphenyl)ethynyl]phenyl methyl ether. This chemical's molecular formula is C₁₇H₁₆O and molecular weight is 236.31. What's more, its systematic name is 1-Ethyl-4-[(4-methoxyphenyl)ethynyl]benzene. In addition, it must be stored in airtight containers and placed in a dry, cool place. Meanwhile, it should be kept away from oxidant.

Physical properties about Benzene, 1-ethyl-4-[2-(4-methoxyphenyl)ethynyl]- are: (1)ACD/LogP: 5.69; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 5.69; (4)ACD/LogD (pH 7.4): 5.69; (5)ACD/BCF (pH 5.5): 12358.43; (6)ACD/BCF (pH 7.4): 12358.43; (7)ACD/KOC (pH 5.5): 29553.97; (8)ACD/KOC (pH 7.4): 29553.97; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 3; (12)Polar Surface Area: 9.23 Å²; (13)Index of Refraction: 1.587; (14)Molar Refractivity: 74.35 cm³; (15)Molar Volume: 220.9 cm³; (16)Polarizability: 29.47×10^-24 cm³; (17)Surface Tension: 44.8 dyne/cm; (18)Density: 1.06 g/cm³; (19)Flash Point: 171 °C; (20)Enthalpy of Vaporization: 58.56 kJ/mol; (21)Boiling Point: 363.5 °C at 760 mmHg; (22)Vapour Pressure: 3.76E-05 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: C(#Cc1ccc(cc1)CC)c2ccc(OC)cc2
(2) InChI: InChI=1/C17H16O/c1-3-14-4-6-15(7-5-14)8-9-16-10-12-17(18-2)13-11-16/h4-7,10-13H,3H2,1-2H3
(3) InChIKey: YWDALJMLXXWXFP-UHFFFAOYAG