4-Fluorophenylacetylene

4-氟苯乙炔

Also known as: 1-Ethynyl-4-fluorobenzene, (p-Fluorophenyl)acetylene, 1-Ethynyl-4-fluorobenzene

CAS No.
766-98-3
Jingsj CID
J-9422-7
Molecular Formula
C8H5F
Chinese Name
4-氟苯乙炔
Molecular Weight
120.124 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point26-27 °C(lit.)
Boiling Point138.6±23.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point24.3±15.7 °C

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 4-Fluorophenylacetylene?

766-98-3

What are the molecular formula and molecular weight of 4-Fluorophenylacetylene?

C8H5F, molecular weight 120.124 g/mol

Is 4-Fluorophenylacetylene hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026