2-ethynylfuran
Also known as: Furan, 2-ethynyl-, 2-furylacetylene, 2-ethynylfuran, 2-furanylethyne, 2-ethynyl-furan
2-ethynylfuran (CAS 18649-64-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4O and a molecular weight of 92.09540 g/mol. Key properties include a boiling point of 106.3ºC at 760mmHg, a density of 1.03g/cm3 and a flash point of 12.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 18649-64-4
- Jingsj CID
- J-1046020-5
- Molecular Formula
- C6H4O
- Molecular Weight
- 92.09540 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 106.3ºC at 760mmHg |
|---|---|
| Density | 1.03g/cm3 |
| Flash Point | 12.2ºC |
| Exact Mass | 92.02620 |
| PSA | 13.14000 |
| LogP | 1.26090 |
| Vapor Pressure | 33.1mmHg at 25°C |
| Refractive Index | 1.5 |
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-ethynylfuran?
The CAS number of 2-ethynylfuran is 18649-64-4.
What are the molecular formula and molecular weight of 2-ethynylfuran?
2-ethynylfuran has molecular formula C6H4O and molecular weight 92.09540 g/mol.
What are the upstream and downstream products of 2-ethynylfuran?
For 2-ethynylfuran, Upstream Products: 2-(2,2-dibromoethenyl)furan, Furfural, 2-Iodofuran; Downstream Products: 1-(Furan-2-yl)ethanone.
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-ethynylfuran (CAS 18649-64-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1046020-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.