Contents Specification Results Characters White crystalline powder Conforms Identification IR、UR、TCL Complies with the test for identification of Paracetamol Conforms Solubility Sparingly soluable in water,freely soluable in alcohol,very slightly soluable in methylene chloride. Conforms Melting point 168-172℃ 169.6-170.0℃ Loss on drying ≤0.5% 0.06% Residue on ignition ≤0.1% 0.04% Chloride ≤0.014% ＜0.014% Sulfate ≤0.02% ＜0.02% Sulfide Conforms Conforms Heavymetals ≤0.001% ＜0.001% Readily carbonizable substances Conforms Conforms Free p-aminophenol ≤0.005% ≤0.005% Limit of p-chloroacetanilide ≤0.001% ＜0.001% Organic volatile impurities Conforms Conforms Assay 98.0%-101.0% 99.49% Conclusion： It complies with the requirements of the USP34
API

CAS NO:103-90-2

EC NO:203-157-5

Molecular Formula:C₈H₉NO₂

Molecular Weight:151.1649

Synonyms:;Acetaminophen;4-Hydroxyacetanilide;Paracetamol;APAP;p-Hydroxyacetanilide;4-Acetamino phenol;Acetaminphen;N-Acetyl-4-aminophenol;N-(4-hydroxyphenyl)acetamide;Acetamiophen;

Molecular Structure:

CAS NO:103-90-2

EC NO:203-157-5

Molecular Formula:C₈H₉NO₂

Molecular Weight:151.1649

Synonyms:;Acetaminophen;4-Hydroxyacetanilide;Paracetamol;APAP;p-Hydroxyacetanilide;4-Acetamino phenol;Acetaminphen;N-Acetyl-4-aminophenol;N-(4-hydroxyphenyl)acetamide;Acetamiophen;

Molecular Structure: