Salicylic Acid
CAS NO.: 69-72-7
Chemical formula: C7H6O3
Valid period: 3 year
Storage: In a dry, well-ventilated area
Package: 25 kg Bag
USAGE
- Salicylic acid is widely used in medicine, having antiseptic, irritating and keratolytic properties;
- Used in pharmaceuticals;
- Derivatives of salicylic acid are also used in medicine (sodium salicylate), its amide (salicylamide) and acetylsalicylic acid (aspirin) are used as antipyretic, anti-rheumatic, anti-inflammatory and painkillers;
- Due to the antiseptic action salicylic is used in the preservation of food;
- Salicylic acid is used in the production of azo dyes, fragrances (salicylic acid esters);
- For colorimetric determination of Fe and Cu, for separation of thorium from other elements.
SPECIFICATIONS
Item | Standard |
Appearance | White or Almost white crystalline power or colourless acicular crystals |
Appearance of solution | Clear & colourless |
Identification A. Melting point of salicylic acid ℃ | 158-161 |
Identification B. IR-Spectrum | Should be complied with Reference Spectrum |
Identification C. Ferric Acid reaction test | Complies |
Content, % ≥ | 99.0-100.5 |
Loss on Drying, % ≤ | 0.5 |
Chlorides, ppm ≤ | 100 |
Sulphate, ppm ≤ | 200 |
Heavy metals, ppm ≤ | 20 |
Sulfated ash, % ≤ | 0.1 |
Related substances 4-hydroxybenzoic acid, % ≤ | 0.1 |
4-hydroxyisophthalic acid, % ≤ | 0.05 |
Phenol, % ≤ | 0.02 |
Other impurities, % ≤ | 0.05 |
Total impurities, % ≤ | 0.2 |