Salicylic Acid

Salicylic acid is a lipophilic monohydroxybenzoic acid, a type of phenolic acid, and a beta hydroxy acid (BHA). This colorless crystalline organic acid is widely used in various applications from organic synthesis to a pharmaceutical intermediate, as well as entering into the composition of various cosmetic formulations where it shows proven efficacy as antibacterial, anti-ageing, keratolytic, exfoliating, antimycotic and preservative. In addition it is used in high performance industrial applications including as a curing accelerator for polymers.


Melting Point157 - 160 °C
Boiling Point256 °C
Flash Point157 °C
Density1.44 g/cm³ (20 °C)
FormsWhite, Needles, Colourless, Crystalline, Solid

Uses and Applications

Key applications

  • Coatings
  • Epoxy systems
  • Pharmaceuticals
  • Cosmetic products


  • Pharma
  • Coatings & Construction
  • Cosmetics

Synonyms: 2-Hydroxybenzoic acid

Chemical Formula: C7H6O3

CAS Number: 69-72-7