Ethynylbenzene
Title: Ethynylbenzene
CAS Registry Number: 536-74-3
Additional Names: Phenylacetylene
Molecular Formula: C8H6
Molecular Weight: 102.13
Percent Composition: C 94.08%, H 5.92%
Line Formula: C6H5CºCH
Literature References: Prepd by dropping b-bromostyrene on molten potassium hydroxide and distilling: Hessler, Org. Synth. 2, 67 (1922).
Properties: Liquid. d420 0.9300. mp -44.8°. bp760 142.4°; bp90 75°; bp15 39°. nD20 1.5489. Insol in water; miscible with alcohol, ether, other organic solvents.
Melting point: mp -44.8°
Boiling point: bp760 142.4°; bp90 75°; bp15 39°
Index of refraction: nD20 1.5489
Density: d420 0.9300

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