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5,5-Dimethyldihydrofuran-2(3H)-one

5,5-二甲基二氢呋喃-2(3H)-酮

Also known as: 2(3H)-Furanone, dihydro-5,5-dimethyl-, 4,4-DIMETHYL-GAMMA-BUTYRO LACTONE, 4,4-dimethylbutan-4-olide, 4-Methyl-4-hydroxypentanoic acid lactone, 4-Methyl-4-pentanolide, 4-Methylpentan-4-olide, 5,5-DIMETHYL-DIHYDRO-FURAN-2-ONE, 5,5-dimethyloxolan-2-one, AKOS BC-1251

5,5-Dimethyldihydrofuran-2(3H)-one (CAS 3123-97-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H10O2 and a molecular weight of 114.14200 g/mol. It is also known as 2(3H)-Furanone, dihydro-5,5-dimethyl-, 4,4-DIMETHYL-GAMMA-BUTYRO LACTONE and 4,4-dimethylbutan-4-olide. Key properties include a boiling point of 191.5ºC at 760mmHg, a density of 0.995g/cm3 and a flash point of 66.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3123-97-5
Jingsj CID
J-1511165-0
Molecular Formula
C6H10O2
Chinese Name
5,5-二甲基二氢呋喃-2(3H)-酮
Molecular Weight
114.14200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point191.5ºC at 760mmHg
Density0.995g/cm3
Flash Point66.9ºC

Frequently Asked Questions

What is the CAS number of 5,5-Dimethyldihydrofuran-2(3H)-one?

The CAS number of 5,5-Dimethyldihydrofuran-2(3H)-one is 3123-97-5.

What are the molecular formula and molecular weight of 5,5-Dimethyldihydrofuran-2(3H)-one?

5,5-Dimethyldihydrofuran-2(3H)-one has molecular formula C6H10O2 and molecular weight 114.14200 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "5,5-Dimethyldihydrofuran-2(3H)-one (CAS 3123-97-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1511165-0 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.