7288. Diphenyl Ether

Nomenclature

CAS number: 101-84-8
1,1′-Oxybisbenzene; diphenyl oxide; phenoxybenzene; phenyl ether.
C12H10O; mol wt 170.21.
C 84.68%, H 5.92%, O 9.40%.

Description and references

Prepd by heating sodium phenolate with chlorobenzene.

Chemical structure

Properties

Liquid; characteristic odor. d20 1.075 (liq); mp 28°, and remains liquid at lower temp; bp 259°. Flash pt 115°C. Insol in water; sol in alcohol, benzene, ether, glacial acetic acid.

Caution

Potential symptoms of overexposure to vapor are nausea; irritation of eyes, nose and skin. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 248.

Use

As heat transfer medium; in perfuming soaps; in organic syntheses.