[(4-Methoxyphenyl)ethynyl]trimethylsilane

[(4-甲氧基苯基)乙炔基]三甲基硅烷

Also known as: ((4-Methoxyphenyl)ethynyl)trimethylsilane, (p-anisylethynyl)trimethylsilane, 1-(4-methoxyphenyl)-2-(trimethylsilyl)acetylene, 1-methoxy-4-[2-(trimethylsilyl)ethynyl]benzene, 2-(4-methoxyphenyl)-1-ethynyl(trimethyl)silane, 2-(4-methoxyphenyl)-1-trimethylsilyl-ethyne, 2-(4-methoxyphenyl)ethynyl-trimethylsilane, p-methoxyphenylethynyl trimethylsilane, trimethylsilyl-4-methoxyphenylacetylene, MFCD04039887

CAS No.
3989-14-8
Jingsj CID
J-12063-2
Molecular Formula
C12H16OSi
Chinese Name
[(4-甲氧基苯基)乙炔基]三甲基硅烷
Molecular Weight
204.34000 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point96ºC1.5 mm Hg(lit.)
Density0.957 g/mL at 25ºC(lit.)
Flash Point202 °F

Frequently Asked Questions

What is the CAS number of [(4-Methoxyphenyl)ethynyl]trimethylsilane?

3989-14-8

What are the molecular formula and molecular weight of [(4-Methoxyphenyl)ethynyl]trimethylsilane?

C12H16OSi, molecular weight 204.34000 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026