But-3-yn-2-yl 4-methylbenzenesulfonate

对甲苯磺酸(1-丁炔-3-基)酯

Also known as: 1-Butyn-3-yl p-Toluenesulfonate, p-Toluenesulfonic Acid 1-Butyn-3-yl Ester, 1-Methyl-2-propynyl 4-methylbenzenesulfonate, 2-(p-Tosyloxy)-3-butyne, But-3-yn-2-yl 4-methylbenzene-1-sulfonate, Toluenesulfonicacidbutynylester, p-Toluenesulfonic acid 1-methyl-2-propynyl ester, p-Toluenesulfonic acid 1-methylpropargyl ester, p-Toluenesulfonic acid 3-butyne-2-yl ester

But-3-yn-2-yl 4-methylbenzenesulfonate (CAS 53487-52-8) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C11H12O3S and a molecular weight of 224.276 g/mol. It is also known as 1-Butyn-3-yl p-Toluenesulfonate, p-Toluenesulfonic Acid 1-Butyn-3-yl Ester and 1-Methyl-2-propynyl 4-methylbenzenesulfonate. Key properties include a melting point of 52ºC, a boiling point of 351.1±17.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 166.2±20.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

53487-52-8

Jingsj CID

J-19962-7

Molecular Formula

C₁₁H₁₂O₃S

Chinese Name

对甲苯磺酸(1-丁炔-3-基)酯

Molecular Weight

224.276 g/mol

Category

Solvents

Last updated

8/21/2026