Short Description:
1.Product Name: Acetylsalicylic Acid
2.CAS NO: 50-78-2
3.Application: pharmaceutical intermediates
Description:
1.Product Name: Acetylsalicylic Acid
2.CAS NO: 50-78-2
3.Application: pharmaceutical intermediates
4.Specification:
| Items | Standard | ||
| Appearance | White or almost white, crystalline powder or colorless crystals | ||
| A.IR-Spectrum | Complies | ||
| B.Melting point of salicylic acid(°C) | 156-161 | ||
| A.Ferric Acid reaction test | Complies | ||
| B.IR-Spectrum | Complies | ||
| Appearance of solution | Clear and colorless | ||
| Readily carbonizable substances | ≤Fluid Q | ||
| Substances Insoluble in Sodium Carbonate TS | Clear | ||
| Chloride (%) | ≤0.014 | ||
| Sulfate (%) | ≤0.04 | ||
| Limit of free salicylic acid (%) | ≤0.1 | ||
| Heavy metals | ≤10PPM | ||
| Loss on Drying | ≤0.5 | ||
| Sulphated ash (Residue on ignition (%) | ≤0.05 | ||
| Related Substances/Any single impurity (%) | ≤0.1 | ||
| Related Substances/Total impurities (%) | ≤0.25 | ||
| Assay (%) | 99.5-100.5 | ||
| Residual Solvents (%) | USP (467) |
