Paracetamol N-Acetyl-4-aminophenol (APAP) CAS:103-90-2
Product Name |
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Synonyms |
4-(ACETYLAMINO)PHENOL; 4′-HYDROXYACETANILIDE; 4-HYDROXYACETANILIDE; ACETAMINOPHEN; ACETYL-P-AMINOPHENOL; AKOS BBS-00008094; APAP; N-(4-HYDROXYPHENYL)ACETAMIDE; N-ACETYL-4-AMINOPHENOL; N-ACETYL-P-AMINOPHENOL; P-ACETAMIDOPHENOL; P-ACETAMINOPHENOL; PARACETAMOL; P-HYDROXYACETANILIDE; RARECHEM AB PP 0382; TYLENOL; 4’-hydroxy-acetanilid; 4′-Hydroxyacetanilide, paracetamol |
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CAS |
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EINECS |
203-157-5 |
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Molecular formula |
C8H9NO2 |
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Molecular Weight |
151.16 |
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Molecular Structure |
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Physical and Chemical Properties |
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General Description |
White Crystalline Powder |
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Usage |
The product is a remedy for heat and pain. It is the most commonly used non-anti-inflammatory antipyretic analgesic, the effect is similar to the aspirin, the analgesic effect is weaker, the non-anti-inflammatory anti-rheumatism action, is the best variety in acetanilide. It is especially suitable for patients who cannot use carboxylic acid. For colds, toothache, etc. Acetaminophen is also an organic synthesis intermediate, a stabilizer of hydrogen peroxide and a photographic chemical. |
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Packing |
25kg/drum,25kg/bag |
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Storage conditions |
Store in a cool, dry place. Keep the container sealed. |
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Specifications |
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Items |
Standard |
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Appearance |
White or almost white ,crystalline powder. |
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Identifications |
A:IR absorption |
Complies |
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B:UV absorption |
Complies |
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C: TLC |
Complies |
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Melting point |
168~172°C |
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Water |
Not more than0.5% |
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Related substance |
ImpurityJ(chloroacetanilide)not more than 10 ppm |
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Impurity K(4-aminophenol)not more than 50 ppm |
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Impurity K(4-aminophenol)not more than 50 ppm |
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any other impurity not more than 0.05% |
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Total of other impurities not more than 0.1% |
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Residue on ignition |
Not more than 0.1% |
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Chloride |
Not more than 0.014% |
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Sulfate |
Not more than 0.02% |
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Sulfide |
Conforms |
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Heavy metals |
Not more than 0.001% |
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Free p-aminophenol |
Not more than 0.005% |
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Limit of P-chloroacetanilide |
Not more than 0.001% |
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Readily carbonizable substances |
Conforms |
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Residual solvents |
Residual content of acetic acid is limited by the test of loss on dryingnot more than0.5% |
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Assay(anhydrous basis) |
99.0~101.0% |
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Conclusion: Complies with USP34/ BP2011 |