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Salicylic acid (CAS 69-72-7)
Salicylic acid is an organic compound with the formula HOC6H4CO2H. A colorless solid, it is a precursor to and a metabolite of aspirin (acetylsalicylic acid). It is a plant hormone. The name is from Latin salix for willow tree. It is an ingredient in some anti-acne products. Salts and esters of salicylic acid are known as salicylates.
Salicylic acid is used in the production of other pharmaceuticals, including 4-aminosalicylic acid, sandulpiride, and landetimide (via salethamide).
Salicylic acid has long been a key starting material for making acetylsalicylic acid (aspirin). Aspirin (acetylsalicylic acid or ASA) is prepared by the esterification of the phenolic hydroxyl group of salicylic acid with the acetyl group from acetic anhydride or acetyl chloride.
Information
Industries: Cosmetic industry, Resins, plastics, polyurethanes
CAS number: 69-72-7
WE number: 200-712-3
Chemical formula: C7H6O3
Molar mass: 138,12 g/mol
Customs tariff code: 29182100
Other physical properties
pH: ~2,4 (2 g/l , 20°C)
Melting / freezing point: 157 – 159°C
Boiling point / range: ~211°C (1013 hPa)
Relative density: 1,443 g/cm³ (20°C)
Solubility in water: 2 g/l (20°C)
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