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

1-丁基-4-[2-(4-甲氧苯基)乙炔基]苯

Also known as: 1-(4-n-Butylphenyl)-2-(4-methoxyphenyl)acetylene, 1-(4-methoxyphenyl)-2-(4-n-butylphenyl)acetylene, 1-butyl-4-[2-(4-methoxyphenyl)ethynyl]benzene, 1-n-Butyl-4-[2-(4-methoxyphenyl)ethynyl]benzene, 1-n-Butyl-4-[(4-methoxyphenyl)ethynyl]benzene, 4-Methoxy-4'-n-butyl-tolan, 4-n-Butyl-4'-methoxy-diphenylacetylene, p-Butyl-p'-methoxy-tolan, Tolane 4-O1

1-Butyl-4-[(4-methoxyphenyl)ethynyl]benzene (CAS 35684-12-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C19H20O and a molecular weight of 264.362 g/mol. It is also known as 1-(4-n-Butylphenyl)-2-(4-methoxyphenyl)acetylene, 1-(4-methoxyphenyl)-2-(4-n-butylphenyl)acetylene and 1-butyl-4-[2-(4-methoxyphenyl)ethynyl]benzene. Key properties include a melting point of 40ºC, a boiling point of 391.5±35.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 188.9±21.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

35684-12-9

Jingsj CID

J-43875-7

Molecular Formula

C₁₉H₂₀O

Chinese Name

1-丁基-4-[2-(4-甲氧苯基)乙炔基]苯

Molecular Weight

264.362 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026