1-Ethyl-4-[(4-methoxyphenyl)ethynyl]benzene

1-乙基-4-[(4-甲氧苯基)乙炔基]苯

Also known as: 1-(4-Ethylphenyl)-2-(4-methoxyphenyl)acetylene, 1-Ethyl-4-[2-(4-methoxyphenyl)ethynyl]benzene, 4-Methoxy-4'-ethyl-tolan, 4-[(4-Ethylphenyl)ethynyl]phenyl methyl ether, p-Methoxy-p'-ethyltolan, PTP 2O1

1-Ethyl-4-[(4-methoxyphenyl)ethynyl]benzene (CAS 63221-88-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C17H16O and a molecular weight of 236.308 g/mol. It is also known as 1-(4-Ethylphenyl)-2-(4-methoxyphenyl)acetylene, 1-Ethyl-4-[2-(4-methoxyphenyl)ethynyl]benzene and 4-Methoxy-4'-ethyl-tolan. Key properties include a melting point of 35 °C, a boiling point of 363.5±35.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 171.0±21.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

63221-88-5

Jingsj CID

J-21973-2

Molecular Formula

C₁₇H₁₆O

Chinese Name

1-乙基-4-[(4-甲氧苯基)乙炔基]苯

Molecular Weight

236.308 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026