salicylic acid
Học thuậtThân thiện
Definition
- Noun:
- A white crystalline organic acid: A white, crystalline solid organic compound with a bitter taste, chemically known as a hydroxybenzoic acid. It is used as a key starting material in the synthesis of acetylsalicylic acid (aspirin) and other pharmaceuticals, as well as in the production of dyes, perfumes, and as a topical fungicide and keratolytic agent (to remove warts and peel skin).
Usage Examples
- Noun:
- Salicylic acid is the active ingredient in many over-the-counter wart removal treatments.
- The laboratory synthesized aspirin from salicylic acid and acetic anhydride.
- Some face washes contain salicylic acid to help treat acne.
Advanced Usage
- In Chemistry and Pharmacology: The term is used precisely to denote the specific chemical compound (C₇H₆O₃). Its properties as a precursor and its physiological effects (anti-inflammatory, keratolytic) are central to its advanced usage.
- The study focused on the derivatization of salicylic acid to create new anti-inflammatory drugs.
Variants and Related Words
- Salicylate (n): A salt or ester of salicylic acid. Many pharmaceuticals, like methyl salicylate (oil of wintergreen), are salicylates.
- Sodium salicylate was used as a pain reliever before the development of aspirin.
Synonyms
- 2-Hydroxybenzoic acid: The systematic IUPAC chemical name.
- Ortho-hydroxybenzoic acid: An alternative chemical name specifying the position of the hydroxyl group.
Related Phrases / Terms
- Acetylsalicylic acid: The compound formed when salicylic acid is acetylated; commonly known as aspirin.
- Acetylsalicylic acid is less irritating to the stomach than its precursor, salicylic acid.
- Salicylic acid peel: A cosmetic procedure using a solution of salicylic acid to exfoliate the skin.
- The dermatologist recommended a mild salicylic acid peel for my acne.
Noun
- a white crystalline substance with a bitter aftertaste; used as a fungicide or in making aspirin or dyes or perfumes