5-Methylsalicylic acid is an organic compound with the formula CH3C6H3(CO2H)(OH). It is a white solid that is soluble in basic water and in polar organic solvents. At neutral pH, the acid exists as 5-methylsalicylate Its functional groups include a carboxylic acid and a phenol group. It is one of four isomers of methylsalicylic acid. It can be prepared by hydroxylation of 3-methylbenzoic acid. See also 3-Methylsalicylic acid 4-Methylsalicylic acid 6-Methylsalicylic acid References Salicylic acids