Paracetamol
Contact Us
Pharmaceutical Chemicals
| Traits | Colorless crystalline powder |
|
TEST ITEMS |
STANDARD |
RESULTS |
|
Character |
Should be white crystal or crystalline powder, odorless. Freely soluble in hot water or ethanol, soluble in acetone, slightly soluble in water. |
White crystal, odorless. Freely soluble in ethanol, soluble in acetone, slightly soluble in water. |
|
Melting point |
168~172℃ |
170.0~170.7℃ |
|
Acidity |
PH5.5~6.5 |
5.9 |
|
Clarity and color of ethanol solution |
Clear, colorless or not deeper than the control solution |
Clear, colorless |
|
Chloride |
≤0.01% |
＜0.01% |
|
Sulfate |
≤0.02% |
＜0.02% |
|
Related substance |
Para-aminophenol should not exceed 0.005% |
0.0002% |
| Related substance |
Other single impurities shall not exceed 0.1% |
0.017% |
| Related substance |
The sum of other impurities shall not exceed 0.5% |
0.027% |
|
P-chlorophenacetamide |
≤0.005% |
ND(＜LOD) |
|
Loss on drying |
≤0.5% |
0.10% |
|
Residue on ignition |
≤0.1% |
0.05% |
|
Heavy metal |
≤0.001% |
＜0.001 |
|
Content (by dry product) |
98.0~102.0% |
99.6% |
|
Conclusion |
Qualified |
Qualified |
It works by acting on the hypothalamic temperature regulation center, dilating peripheral blood vessels, increasing blood flow and sweating, thereby achieving a fever-reducing effect.
It primarily works by inhibiting the synthesis of prostaglandins, reducing the sensitivity of peripheral nerve endings, thereby relieving mild to moderate pain.
