| | Identification | More |  | [Name] 
 4-Fluorophenylacetylene
 |  | [CAS] 
 766-98-3
 |  | [Synonyms] 
 1-ETHYNYL-4-FLUOROBENZENE
 4'-FLUOROPHENYL ACETYLENE
 4-FLUOROPHENYLACETYLENE
 (p-Fluorophenyl)acetylene
 Benzene, 1-ethynyl-4-fluoro-
 1-ETHYNYL-4-FLUOROBENZENE  99%
 1-ETHINYL-4-FLUOR-BENZOL
 Benzene, 1-ethynyl-4-fluoro-(6CI, 7CI, 8CI, 9CI)
 4-Fluorophenylacetylene 98%
 4-Fluorophenylacetylene98%
 1-(4-Fluorophenyl)ethyne
 1-Fluoro-4-ethynylbenzene
 4-Ethynyl-1-fluorobenzene
 |  | [Molecular Formula] 
 C8H5F
 |  | [MDL Number] 
 MFCD00168823
 |  | [Molecular Weight] 
 120.12
 |  | [MOL File] 
 766-98-3.mol
 | 
 | Chemical Properties | Back Directory |  | [Appearance] 
 White Crystalline Solid
 |  | [Melting point ] 
 26-27 °C(lit.)
 
 |  | [Boiling point ] 
 55-56 °C40 mm Hg(lit.)
 
 |  | [density ] 
 1.048 g/mL at 25 °C(lit.)
 
 |  | [refractive index ] 
 n20/D 1.516(lit.)
 
 |  | [Fp ] 
 29 °C
 |  | [storage temp. ] 
 2-8°C
 
 |  | [solubility ] 
 soluble in Chloroform, Diethyl Ether, Ethanol
 |  | [form ] 
 Liquid After Melting
 |  | [color ] 
 Clear colorless to yellow
 |  | [Specific Gravity] 
 1.048
 |  | [Water Solubility ] 
 Soluble in chloroform, diethyl ether,  acetone, dichloromethane, hexane and ethanol.  Highly soluble in toluene. Insoluble in water.
 |  | [Usage] 
 Intermediates of Liquid Crystals
 |  | [BRN ] 
 1099285
 |  | [InChIKey] 
 QXSWHQGIEKUBAS-UHFFFAOYSA-N
 |  | [CAS DataBase Reference] 
 766-98-3(CAS DataBase Reference)
 |  | [NIST Chemistry Reference] 
 4-FC6H4CCH(766-98-3)
 | 
 | Safety Data | Back Directory |  | [Hazard Codes ] 
 F,Xi
 |  | [Risk Statements ] 
 R36/37/38:Irritating to eyes, respiratory system and skin .
 R11:Highly Flammable.
 R10:Flammable.
 |  | [Safety Statements ] 
 S16:Keep away from sources of ignition-No smoking .
 S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
 S36:Wear suitable protective clothing .
 S37/39:Wear suitable gloves and eye/face protection .
 |  | [RIDADR ] 
 UN 1325 4.1/PG 2
 
 |  | [WGK Germany ] 
 3
 
 |  | [Hazard Note ] 
 Irritant
 |  | [HazardClass ] 
 4.1
 |  | [PackingGroup ] 
 II
 |  | [HS Code ] 
 29039990
 | 
 | Hazard Information | Back Directory |  | [Chemical Properties] 
 White Crystalline Solid
 |  | [Uses] 
 Intermediates of Liquid Crystals
 |  | [Synthesis Reference(s)] 
 Synthesis, p. 589, 1996 DOI: 10.1055/s-1996-4265
 |  | [General Description] 
 
 1-Ethynyl-4-fluorobenzene (pFAB) is a fluorobenzene derivative. Trianionic pincer alkylidyne complex catalyzed polymerization of 1-ethynyl-4-fluorobenzene has been reported. The surface of the iodophenyl-terminated organic monolayers has been modified by Sonogashira coupling of the iodophenyl groups found on the surface with pFAB. Dimerization catalyzed by Y[N(TMS)2]3 and 4-chloroaniline gave exclusive formation of one of three possible enediynes in excellent yield. | 
 |  |