CAS number： 54-21-7
Molecular formula： C7H5NaO3
molecular weight： 160.10
Chemical structure：
| Name of product | Sodium Salicylate | |
| EXP. Time | 3 years | |
| Analysis content | Analysis results | Standard |
| Characters | A white, crystalline powder or small, colourless crystals or shiny falkes, freely soluble in water, sparingly soluble in alcohol | complies |
| Identification A | Sample infrared absorption specropho-tometry complies with sodium salicylate CRS | complies |
| Identification C | Gives reaction (b) of sodium | Positive |
| clear | clear | |
| Appearance of solution | The solution is clear and not more intensely coloured than reference solution BY6 | The solution is clear and not more intensely coloured than reference solution BY6 |
| Acidity | 0.01M NaOH not more than 2.0ml is required | 0.98ml 0.01ml NaOH |
| Chlorides | NMT 200PPM | LESS THAN 200PPM |
| Loss on drying | NMT 0.5% | 0.03% |
| Sulfates | NMT 600PPM | LESS THAN 600PPM |
| Heavy metals | NMT 20PPT | LESS THAN 20PPM |
| Assay | Contains C7H5NaO3 99.0% to 101.0% | 99.5% |
| Conclusion: | Complies with requirements of EP7.0. | |
