SALICYLIC ACID
SALICYLIC ACID
| Article No. | 544008 |
| Grade | BP |
| Purity | 99% |
| CAS No. | 69-72-7 |
| Molecular Formula | C7H6O3 |
| Molecular Weight | 138.12 |
| H.S. Code | 2918.2110 |
| Shelf Life | 60 Months |
Physical properties
| Physical state at 20 °C | Solid |
| Colour | White powder |
| Odour | Odorless |
| pH value | 2.4 at 20 °C |
| Melting point/ Freezing point [°C] | 158 – 161 °C |
| Decomposition point [°C] | 211°C |
| Solubility in water [% weight] | Partially soluble in water |
| Flash point [°C] | 157 °C |
| Boiling point [°C] | 211 °C |
| Vapour pressure mm/Hg | 1 mm Hg at 114 °C |
| Vapour density | 4.8 |
| Density [g/cm3] | 1.44 |
Specifications
| Appearance | White or almost white, crystalline powder or white or colourless, acicular crystals |
| Assay | 99.0 – 100.5% |
| Identification | Passes test |
| Solubility | Slightly soluble in water, freely soluble in ethanol (96 per cent) |
| Chloride (Cl) | Max 100 ppm |
| Sulphate (SO4) | Max 200 ppm |
| Sulphated ash | Max 0.1% |
| Loss on drying | Max 0.5% |
| Packings | 500 gm |
