Title: o-(
p-Anisoyl)benzoic Acid
CAS Registry Number: 1151-15-1
CAS Name: 2-(4-Methoxybenzoyl)benzoic acid
Manufacturers' Codes: S-23/46
Molecular Formula: C15H12O4
Molecular Weight: 256.25
Percent Composition: C 70.31%, H 4.72%, O 24.97%
Literature References: Prepn from phthalic anhydride and anisole: Meyer, Turnau,
Monatsh. Chem. 30, 486 (1909). Alternate route: Arcus, Marks,
J. Chem. Soc. 1956, 1627.
Properties: Leaflets from water. Stout crystals from alcohol or toluene, mp 146°. Very sparingly sol in water. Freely sol in alc, ether, toluene, chloroform, glacial acetic acid.
Melting point: mp 146°
Derivative Type: Sodium salt
Molecular Formula: C15H11NaO4
Molecular Weight: 278.24
Percent Composition: C 64.75%, H 3.98%, Na 8.26%, O 23.00%
Properties: Needles. Freely sol in water. Sol in alcohol. Rated approximately 150 times as sweet as cane sugar. Bitter taste if used in concns exceeding 0.2 g/liter.
Review: M?hler,
Z. Lebensm.-Unters. Forsch. 90, 431 (1950),
C.A. 44, 8558d (1950).
Use: The sodium salt has been proposed as a sweetening agent.