Synonyms: 2-Hydroxybenzoic acid, Salicylic Acid
CAS No: 69-72-7
Molecular Formula: C7H6O3 Molecular weight: 138.12
Property:
White crystal or crystal powders,and sweets first and then hot,no chemical changes in the air. Atmospherically sublimation temperature over 76oC. Easily to decarboxylate and change into phenol and dioxide when heated atmospherically,and its aqueous solution appears acid reaction, becomes purple with FeCL3. Slightly dissolves in water but dissolves in boiling water easily. Dissolves in the ethanol or ether and slightly soluble in chloroform.
Specifications:
| Test Item |
Standard Specification |
| Characters |
White or colourless crystalline powder |
| Identification |
Meet the requirement |
| Appearance of solution |
Solution is clear and colourless |
| Chloride |
Not more than 100ppm |
| Sulfate |
Not more than 200ppm |
| Heavy metals |
The limit is 20ug per g |
| Loss on drying |
Not more than 0.5% of weight |
| Residue on Ignition |
Not more than 0.05% of weight |
| Sulphated Ash |
Not more than 0.1% |
| Assay |
ContainsC7H6O399.5%-101.0% |
Or as per customer requirements.
Usage:
Medicine of disinfection and antiseptic for dissolving skin cutin hyperplasia and skin mould infection.
Packing:
To abroad market, 25kg in fiberboard-made pail attached with paper or polyethylene bag inside; to domestic sale, in polypropylene bag attached with polyethylene bag inside 25kg each.
Keyword:
Salicylic Acid