2-Ethynylbenzofuran
Also known as: 2-Ethynyl-1-benzofuran, 2-Ethynylbenzofuran, Benzofuran, 2-ethynyl-, 2-ethynyl-benzo[b]furan, benzofurylacetylene
2-Ethynylbenzofuran (CAS 39165-03-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H6O and a molecular weight of 142.15400 g/mol. Key properties include a boiling point of 221.091ºC at 760 mmHg, a density of 1.146g/cm3 and a flash point of 89.04ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 39165-03-2
- Jingsj CID
- J-1184980-2
- Molecular Formula
- C10H6O
- Molecular Weight
- 142.15400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 221.091ºC at 760 mmHg |
|---|---|
| Density | 1.146g/cm3 |
| Flash Point | 89.04ºC |
| Exact Mass | 142.04200 |
| PSA | 13.14000 |
| LogP | 2.41410 |
| Refractive Index | 1.625 |
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. 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 2-Ethynylbenzofuran?
The CAS number of 2-Ethynylbenzofuran is 39165-03-2.
What are the molecular formula and molecular weight of 2-Ethynylbenzofuran?
2-Ethynylbenzofuran has molecular formula C10H6O and molecular weight 142.15400 g/mol.
What are the upstream and downstream products of 2-Ethynylbenzofuran?
For 2-Ethynylbenzofuran, Upstream Products: 2-Benzofurancarboxaldehyde, Dimethyl (1-diazo-2-oxopropyl)phosphonate, 2-Iodo-benzofuran.
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-Ethynylbenzofuran (CAS 39165-03-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1184980-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.