Paracetamol powder nutritional supplemen Mainly used for amino acid infusion,due to special wettability, also used in cold cream,osmetics. Serine constitute the human body of several kinds of essential amino acid of protein a, for the construction of protein has a very important role.
| Appearance | White or almost white ,crystalline powder. |
| Identification | A:IR absorption | Complies |
| B:UV absorption | Complies |
| C:TLC | Complies |
| Melting point | 168~172°C |
| Water | Not more than0.5% |
| Related substance | Impurity(chloroacetanilide)not more than 10 ppm |
| Impurity K(4-aminophenol)not more than 50 ppm |
| Impurity F(4-nitrophenol)not more than 0.05% |
| any other impurity not more than 0.05% |
| Total of other impurities not more than 0.1% |
| Residue on ignition | Not more than 0.1% |
| Chloride | Not more than 0.014% |
| Sulfate | Not more than 0.02% |
| Sulfide | Conforms |
| Heavy metals | Not more than 0.001% |
| Free p-aminophenol | Not more than 0.005% |
| Limit of P-chloroacetanilide | Not more than 0.001% |
| Readily carbonizable substances | Conforms |
| Residual solvents | Residual content of acetic acid is limited by the test of loss on dryingnot more than0.5% |
| Assay(anhydrous basis) | 99.0~101.0% |
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