| Function: | Anti-Allergic Agents |
|---|---|
| Certification: | GMP |
| Grade Standard: | Medicine Grade |
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| Diphenhydramine Hydrochloride | CP |
| Appearance | White crystalline powder odourless |
| Solubility | Verysoluble in water,freelysoluble in ethanol or chloroform,slightly soluble in acetone,andvery slightly soluble in ether. |
| Melting point | 168.0-169.5ºC |
| Appearance of solution | Clear and colorless |
| Related Substances | Conforms |
| Loss on drying | 0.15% |
| Residue on ignition | 0.04% |
| Assay | 100.6% |
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