Synonyms: 2-Hydroxybenzoic acid methyl ester; Methyl 2-hydroxybenzoate; Oil of wintergreen; Wintergreen oil Formula: 2-(HO)C₆H₄CO₂CH₃ Formula Weight: 152.15 CAS No.: 119-36-8 Density: 1.174 g/mL at 25 °C(lit.)