2-Trimethylsilyloxy-3-butyne

2-三甲基硅氧基-3-丁炔

Also known as: (but-3-yn-2-yloxy)trimethylsilane, 3-(trimethylsiloxy)-1-butyne, 3-(trimethylsilyloxy)-1-butyne, 2-trimethylsiloxy-3-butyne, trimethyl[(1-methyl-2-propynyl)oxy]silane, (1-methyl-2-propynyl)(trimethylsilyl) ether, (1-methyl-2-propynyloxy)trimethylsilane, Silane,trimethyl[(1-methyl-2-propynyl)oxy], TIMTEC-BB SBB009059

2-Trimethylsilyloxy-3-butyne (CAS 17869-76-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H14OSi and a molecular weight of 142.27100 g/mol. It is also known as (but-3-yn-2-yloxy)trimethylsilane, 3-(trimethylsiloxy)-1-butyne and 3-(trimethylsilyloxy)-1-butyne. Key properties include a melting point of 127-131ºC(lit.), a boiling point of 116ºC, a density of 0.835g/cm3 and a flash point of 9.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

17869-76-0

Jingsj CID

J-1101076-6

Molecular Formula

C₇H₁₄OSi

Chinese Name

2-三甲基硅氧基-3-丁炔

Molecular Weight

142.27100 g/mol

Category

Aliphatic Hydrocarbons

Last updated

8/21/2026