1-ethynyl-3,5-difluorobenzene
1-乙炔基-3,5-二氟苯
Also known as: 3,5-Difluorophenylacetylene, 3,5-Difluorophenylethyne, 1-Ethynyl-3,5-fluorobenzene, Benzene, 1-ethynyl-3,5-difluoro-, [3,5-Difluorophenyl]ethyne, HCC(3,5-F2C6H3)
1-ethynyl-3,5-difluorobenzene (CAS 151361-87-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H4F2 and a molecular weight of 138.11400 g/mol. It is also known as 3,5-Difluorophenylacetylene, 3,5-Difluorophenylethyne and 1-Ethynyl-3,5-fluorobenzene. Key properties include a boiling point of 147.1ºC at 760mmHg, a density of 1.17g/cm3 and a flash point of 32ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 151361-87-4
- Jingsj CID
- J-24739-5
- Molecular Formula
- C8H4F2
- Chinese Name
- 1-乙炔基-3,5-二氟苯
- Molecular Weight
- 138.11400 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 147.1ºC at 760mmHg |
|---|---|
| Density | 1.17g/cm3 |
| Flash Point | 32ºC |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 1-ethynyl-3,5-difluorobenzene?
The CAS number of 1-ethynyl-3,5-difluorobenzene is 151361-87-4.
What are the molecular formula and molecular weight of 1-ethynyl-3,5-difluorobenzene?
1-ethynyl-3,5-difluorobenzene has molecular formula C8H4F2 and molecular weight 138.11400 g/mol.
Is 1-ethynyl-3,5-difluorobenzene hazardous?
1-ethynyl-3,5-difluorobenzene has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-ethynyl-3,5-difluorobenzene (CAS 151361-87-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24739-5 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.