Chemicals Supplier Sodium Salicylate CAS 54-21-7 From China, Find details about China Sodium Salicylate, Sodium Salicylate Powder from Chemicals Supplier Sodium Salicylate CAS 54-21-7 From China
Sodium salicylate is a sodium salt of salicylic acid. It can be prepared from sodium phenolate and carbon dioxide under higher temperature and pressure. Historically, it has been synthesized from methyl salicylate (found in wintergreen plants or the bark of sweet birch tree)
Specification:
Items | Specification |
Appearance | A white crystalline powder or small ,colorless crystals or shiny flakes,freely soluble in water,sparingly soluble in alcohol |
Identification A | Sample infrared absorption spectropho-tometry Complies with sodium salicylate CRS |
Identification C | Gives reaction(b)of sodium |
Appearance of solution | The solution is clear and not more intensely coloured than reference solution BY6 |
Acidity | 0.01 M NaOH NOT MORE THAN 2.0ml is required |
Chloride,ppm | ≤200 |
Sulfate,ppm | ≤600 |
Heavy metals,ppm | ≤20 |
Loss on drying,% | ≤0.5 |
Assay(Dried substance),% | Contains C7H5NaO3 99.0 to 101.0 |