Methyl Acetylsalicylate
Title: Methyl Acetylsalicylate
CAS Registry Number: 580-02-9
CAS Name: 2-(Acetyloxy)benzoic acid methyl ester
Additional Names: acetylsalicylic acid methyl ester; methylaspirin
Trademarks: Methylrodin; Methylrhodine
Molecular Formula: C10H10O4
Molecular Weight: 194.18
Percent Composition: C 61.85%, H 5.19%, O 32.96%
Literature References: Prepd from acetylsalicylic acid and diazomethane: Herzig, Tichatschek, Ber. 39, 1559 (1906); from methyl salicylate and acetic anhydride: Erdmann, J. Prakt. Chem. [2] 56, 154 (1897); Thorp, US 1255950 (1918).
Properties: Plates from petr ether. mp 51-52°. bp9 134-136°. Very sparingly sol in water; sol in alc, ether, chloroform, glycerol, propylene glycol, oils.
Melting point: mp 51-52°
Boiling point: bp9 134-136°
Use: Fixative for perfumes.

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