5-Ethynyl-1,2,3-trifluorobenzene
3,4,5-三氟苯乙炔
Also known as: 3,4,5-TRIFLUOROPHENYLACETYLENE, 3,4,5-Trifluorophenylacetylen, 3,4,5-Trifluorophenylacetylene, 5-ETHYNYL-1,2,3-TRIFLUORO-BENZENE, 5-Ethynyl-1,2,3-trifluoro-Benzene, 5-Ethynyl-1,2,3-trifluorobenzene, Benzene, 5-ethynyl-1,2,3-trifluoro-, Benzene, 5-ethynyl-1,2,3-trifluoro- (9CI)
5-Ethynyl-1,2,3-trifluorobenzene (CAS 158816-55-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H3F3 and a molecular weight of 156.10500 g/mol. It is also known as 3,4,5-TRIFLUOROPHENYLACETYLENE, 3,4,5-Trifluorophenylacetylen and 3,4,5-Trifluorophenylacetylene. Key properties include a boiling point of 53-54/1mm, a density of 1.278g/cm3 and a flash point of 35.157ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 158816-55-8
- Jingsj CID
- J-1311775-5
- Molecular Formula
- C8H3F3
- Chinese Name
- 3,4,5-三氟苯乙炔
- Molecular Weight
- 156.10500 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 53-54/1mm |
|---|---|
| Density | 1.278g/cm3 |
| Flash Point | 35.157ºC |
Frequently Asked Questions
What is the CAS number of 5-Ethynyl-1,2,3-trifluorobenzene?
The CAS number of 5-Ethynyl-1,2,3-trifluorobenzene is 158816-55-8.
What are the molecular formula and molecular weight of 5-Ethynyl-1,2,3-trifluorobenzene?
5-Ethynyl-1,2,3-trifluorobenzene has molecular formula C8H3F3 and molecular weight 156.10500 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Ethynyl-1,2,3-trifluorobenzene (CAS 158816-55-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1311775-5 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.