2-Methyltetrahydrofuran-3-one
Also known as: 2-Methyltetrahydro-3-furanone, 2-Methyldihydro-3(2H)-furanone, 4,5-Dihydro-2-methyl-3(2H)-furanone, 2-Methyloxolan-3-one, Tetrahydro-2-methylfuran-3-one, Dihydro-2-methyl-3-furanone, 2-Methyl-3-oxotetrahydrofuran, 2-Methyl-3-ketotetrahydrofuran, 2-Methyl-4,5-dihydro-3(2H)-furanone, 2-methyltetrahydrofuran-3-One
2-Methyltetrahydrofuran-3-one (CAS 3188-00-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H8O2 and a molecular weight of 100.116 g/mol. Key properties include a boiling point of 139 ºC, a density of 1.045 and a flash point of 38 ºC. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour and H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3188-00-9
- Jingsj CID
- J-38714-3
- Molecular Formula
- C5H8O2
- Molecular Weight
- 100.116 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 139 ºC |
|---|---|
| Density | 1.045 |
| Flash Point | 38 ºC |
| Exact Mass | 100.052429 |
| PSA | 26.30000 |
| LogP | -0.65 |
| Vapor Pressure | 6.6±0.2 mmHg at 25°C |
| Refractive Index | 1.426-1.431 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H302 — Harmful if swallowed
Activity & Biological Data
| Additional Information | [1]. A San Martin, et al. The isolation and structure determination of chilenone A, a putative dimer of 2-methyl-3(2H)-furanone from the marine alga Laurenciachilensis. Tetrahedron Letters 24(38):4063–4066. |
|---|
Customs & Trade Information
| HS Code | 2932190090 |
|---|---|
| Summary | 2932190090 other compounds containing an unfused furan ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-Methyltetrahydrofuran-3-one?
The CAS number of 2-Methyltetrahydrofuran-3-one is 3188-00-9.
What are the molecular formula and molecular weight of 2-Methyltetrahydrofuran-3-one?
2-Methyltetrahydrofuran-3-one has molecular formula C5H8O2 and molecular weight 100.116 g/mol.
Is 2-Methyltetrahydrofuran-3-one hazardous?
2-Methyltetrahydrofuran-3-one has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed.
What are the upstream and downstream products of 2-Methyltetrahydrofuran-3-one?
For 2-Methyltetrahydrofuran-3-one, Upstream Products: 2-Acetylbutyrolactone, D-(+)-Xylose, Thiamine chloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Methyltetrahydrofuran-3-one (CAS 3188-00-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38714-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.