4-ethynyl-5-hydroxy-3-methyldihydro-2(3H)-furanone

2-甲基-3-乙炔基-4-羟基-4-丁内酯

Also known as: 2(3H)-Furanone, 4-ethynyldihydro-5-hydroxy-3-methyl- (9CI), 2(3H)-Furanone, 4-ethynyldihydro-5-hydroxy-3-methyl-, 3-Ethynyl-4-hydroxy-2-methyl-4-butanolide, 4-Ethynyl-5-hydroxy-3-methyldihydro-2(3H)-furanone, dihydro-4-ethynyl-5-hydroxy-3-methyl-2(3H)-furanone

4-ethynyl-5-hydroxy-3-methyldihydro-2(3H)-furanone (CAS 61892-46-4) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C7H8O3 and a molecular weight of 140.137 g/mol. It is also known as 2(3H)-Furanone, 4-ethynyldihydro-5-hydroxy-3-methyl- (9CI), 2(3H)-Furanone, 4-ethynyldihydro-5-hydroxy-3-methyl- and 3-Ethynyl-4-hydroxy-2-methyl-4-butanolide. Key properties include a boiling point of 293.0±40.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 135.3±20.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

61892-46-4

Jingsj CID

J-50845-2

Molecular Formula

C₇H₈O₃

Chinese Name

2-甲基-3-乙炔基-4-羟基-4-丁内酯

Molecular Weight

140.137 g/mol

Category

Esters

Last updated

8/21/2026