Salicylic Acid
2-Hydroxybenzoic Acid, Beta Hydroxy Acid
- CAS
- 69-72-7
- EC
- 200-712-3
- Sectors
- Personal Care & Cosmetics, Pharma & Healthcare
Salicylic Acid (CAS 69-72-7), also known as 2-hydroxybenzoic acid, is an organic acid that appears as a white to off-white crystalline solid, often in needle form, with keratolytic action used in acne treatments, wart removers and dandruff shampoos.
Typical Properties
| Molecular formula | C7H6O3 |
|---|---|
| Molecular weight | 138.12 g/mol |
| Appearance | Salicylic acid is a white to tan crystalline solid; needles. |
| Form | Solid |
| Color | White to off-white |
| Odor | at 100.00 %. faint phenolic nutty |
| Melting point | 157-159 °C |
| Boiling point | ~211 °C (approx) @ Press: 20 Torr |
| Density | 1.443 g/cm³ @ Temp: 20 °C |
| Water solubility | 1.8 g/L (20 °C) |
| Flash point | 157 °C |
| pH | 2.4 (H2O)(saturated solution) |
| GHS signal word | Danger · Corrosive, Irritant / harmful, Health hazard |
| HS code | 29182100 |
| Grades available | Cosmetic Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Salicylic Acid
Applications
In acne vulgaris treatments; in wart removers; in dandruff shampoos; in textile dyes as mordants; and in rubber vulcanization accelerators for tire manufacturing.
Safety & Risks
Salicylism toxicity with tinnitus; corrosive undiluted. Reproductive warnings; neutralize with bases and wear vapor masks for heated applications per GHS.
Packaging
Contained in 20 kg phenolic-resin coated drums. Store in salicylic-dedicated acid rooms.