Acetaminophen
Indications: Antipyretic and analgesic, nonsteroidal anti-inflammatory drug
Classification:
Detailed
| Molecular formula |
C₈H₉NO₂ |
| Molecular weight |
151.16
|
| Structural formula |
|
| Storage |
Store in a sealed container. |
| Validity period |
48 months |
| Implementation Standard |
Volume II of the 2025 Edition of the Pharmacopoeia of the People’s Republic of China |
| Appearance |
White crystals or crystalline powder; odorless. |
| Melting point |
168–172°C |
| Identification |
Compliant with regulations |
| Clarity and Color of Solutions |
Compliant with regulations |
| Acidity |
5.5–6.5 |
| Chloride |
≤0.01% |
| Sulfate |
≤0.02% |
| Related substances |
Compliant with regulations |
| Loss on drying |
≤0.5% |
| Residue on ignition |
≤0.1% |
| Heavy metals |
≤10 ppm |
| p-Chlorophenylacetamide |
≤0.005% |
| Content (on a dry basis) |
98.0%-102.0% |
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