General Information:
Type: Pharmaceutical Raw Materials/APIsItems | Standard |
Characters | white crystal or crystalline powder |
IdentificationA | A violet-red color is produced |
IdentificationB infrared absorption | Sample infrared absorption spectropho-tometry complies with Aspirin CRS. |
Loss on drying | ≤0.5 % |
Readity carbonizable substance | Not more color thanM.F.Q |
Residue on ignation | ≤0.05% |
Substances insoluble in sodium carbonate | The solution is clear |
Chloride | ≤0.014% |
Sulfate | ≤0.04% |
Heavy metals | ≤10ppm |
Free salicylic acid | ≤0.1% |
Residual solvents | Acetic acid: LOD≤0.5% |
Assay (on dried basis) | Contains C9H8O4 99.5% to 100.5% |