Skip to main content

alpha-methyl-gamma-butyrolactone

Also known as: 3-Methyldihydrofuran-2(3H)-one, Dihydro-3-methyl-2(3H)-furanone, 4-Hydroxy-2-methylbutyric acid lactone, 4-Hydroxy-2-methylbutanoic acid lactone, 2-Methyl-4-butanolide, MFCD00005396, EINECS 216-846-0, (R,S)-3-Methyl-dihydro-furan-2-one, (±)-3-Methyl-dihydro-furan-2-one, α-Methyl-γ-butyrolactone, alpha-Methylbutyrolactone

alpha-methyl-gamma-butyrolactone (CAS 1679-47-6) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C5H8O2 and a molecular weight of 100.11600 g/mol. Key properties include a boiling point of 78ºC(10 torr), a density of 1.04g/cm3 and a flash point of 75ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1679-47-6
Jingsj CID
J-1180596-2
Molecular Formula
C5H8O2
Molecular Weight
100.11600 g/mol
Category
Esters
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point78ºC(10 torr)
Density1.04g/cm3
Flash Point75ºC
Exact Mass100.05200
PSA26.30000
LogP0.56940
Vapor Pressure0.386mmHg at 25°C
Refractive Indexn20/D 1.432(lit.)
Additional PropertyTHF: soluble

Customs & Trade Information

HS Code2932209090
Summary2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of alpha-methyl-gamma-butyrolactone?

The CAS number of alpha-methyl-gamma-butyrolactone is 1679-47-6.

What are the molecular formula and molecular weight of alpha-methyl-gamma-butyrolactone?

alpha-methyl-gamma-butyrolactone has molecular formula C5H8O2 and molecular weight 100.11600 g/mol.

What are the upstream and downstream products of alpha-methyl-gamma-butyrolactone?

For alpha-methyl-gamma-butyrolactone, Upstream Products: 3-Buten-1-ol, alpha-Methylene-gamma-butyrolactone, Itaconic acid; Downstream Products: 2-Methylglutaric acid, 2-Methyloxetane, ch3cho.

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

Last updated:

How to cite: Jingsj. "alpha-methyl-gamma-butyrolactone (CAS 1679-47-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1180596-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.