About 2 grams of salicylic acid is soluble in 1 liter of water at 20 degrees Celsius. This means that salicylic acid has low solubility in water.
Salicylic acid is a colorless, crystalline and odorless organic acid with molecular formula C7H6O3. It is soluble in organic compounds such as alcohol, ether and carbon tetrachloride. The molar mass of salicylic acid is 138.12 grams per mole.
Salicylic acid is used for pain relief, in the treatment of skin disorders such as acne and in the preparation of anti-inflammatory drugs. It is an active ingredient in aspirin. Side effects such as difficulty in breathing, skin irritation, fainting and nausea have been observed in some people using salicylic acid.