2-Ethynylthiophene
2-乙炔噻吩
Also known as: 2-ETHYNYLTHIOPHENE, (2-Thienyl)acetylene, (Thien-2-yl)acetylene, 2-Acetylenylthiophene, ethynylthiophene, thienylacetylene, Thiophene, 2-ethynyl-, Thiophene, 2-ethynyl- (6CI, 7CI, 8CI, 9CI)
- CAS No.
- 4298-52-6
- Jingsj CID
- J-1072087-5
- Molecular Formula
- C6H4S
- Chinese Name
- 2-乙炔噻吩
- Molecular Weight
- 108.161 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Boiling Point | 150.0±13.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 28.4±6.0 °C |
GHS Safety & Compliance
IrritantSignal word: Warning
Frequently Asked Questions
What is the CAS number of 2-Ethynylthiophene?
4298-52-6
What are the molecular formula and molecular weight of 2-Ethynylthiophene?
C6H4S, molecular weight 108.161 g/mol
Is 2-Ethynylthiophene hazardous?
Warning
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026