Title: Phenoxyacetic Acid
CAS Registry Number: 122-59-8
Synonyms: Phenoxyethanoic acid;
O-phenylglycolic acid; phenyl ether glycolic acid
Trademarks: Phenylium
Molecular Formula: C8H8O3
Molecular Weight: 152.15
Percent Composition: C 63.15%, H 5.30%, O 31.55%
Literature References: Prepd from phenol and monochloroacetic acid: Giacosa,
J. Prakt. Chem. [2]
19, 396 (1879); van Alphen,
Rec. Trav. Chim. 46, 148 (1927).
Properties: Needles from water, mp 98°; bp 285° (some decompn). pK (25°) 3.12. One gram dissolves in ~75 ml water. Freely sol in alcohol, ether, benzene, carbon disulfide, glacial acetic acid.
Melting point: mp 98°
Boiling point: bp 285° (some decompn)
pKa: pK (25°) 3.12
CAUTION: Mild irritant.
Use: Fungicide; keratin exfoliative (to relieve and to soften calluses, corns, and other hard skin surfaces; applied as plasters, pads or in liquids).