| English name | Salicylic acid |
| English alias | 2-Hydroxybenzoic Acid; 2-hydroxy benzoic acid; o-hydroxybenzoic acid; ortho-hydroxybenzoic acid; Sublimed Salicylic Acid; Medicinal Salicylic Acid; Medical Salicylic Acid; salicylic aicd |
| CAS Number | 69-72-7 |
| EINECS | 200-712-3 |
| Molecular Formula | C₇H₆O₃ |
| Molecular Weight | 138.12 g/mol |
| InChI | InChI=1/C7H6O3/c8-6-4-2-1-3-5(6)7(9)10/h1-4,8H,(H,9,10) |
| Molecular Structure | 
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| Density | 1.443 g/cm³ (20°C) |
| Melting Point | 158-161°C |
| Boiling Point | 211°C (20 mmHg) • Sublimes at 76°C |
| Flash Point | 157°C (closed cup) |
| Water Solubility | 1.8 g/L (20°C) |
| Physicochemical Properties | • Appearance: White crystalline powder/needles |
| • Odor: Characteristic phenolic |
| • Solubility: Soluble in ethanol, ether, acetone; sparingly soluble in water |
| Applications | • Pharmaceuticals (analgesics, anti-inflammatories) |
| • Dye manufacturing |
| • Food preservatives |
| • Fragrance synthesis |
| • Cosmetics (keratolytic agent) |
| GHS Hazard Symbols |
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| Xn:Harmful; |
| Risk Phrases (R) | R22: Harmful if swallowed |
| R36/37/38: Irritating to eyes/respiratory system/skin |
| R41: Risk of serious eye damage |
| Safety Phrases (S) | S26: In case of eye contact, rinse immediately |
| S37/39: Wear gloves and eye/face protection |
| Upstream Raw Materials | Phenol, carbon dioxide, sulfuric acid, sodium hydroxide, caustic soda |
| Downstream Products | 2-Hydroxy-5-chlorobenzoic acid, methyl salicylate, isothiocarb, methyl isofos, acid medium dark yellow GG, neutral black BL, neutral black 2S-RL, solvent yellow RN, solvent red BL, solvent red KL, sodium salicylate, 2-hydroxybenzoic acid, sulfosalicylic acid, aluminum reagent, acetylsalicylic acid |
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