Paracetamol, also known as acetaminophen or APAP, is a medication used to treat pain and fever. It is typically used for mild to moderate pain. There is poor evidence for fever relief in children. It is often sold in combination with other ingredients such as in many cold medications. In combination with opioid pain medication, paracetamol is used for more severe pain such as cancer pain and after surgery.

Formula: C8H9NO2
Molecular weight: 151.170
Assay: 99.0%min.
Appearance: White crystalline powder
Melting point: 168-172
Standard: USP32 or higher grade

• Appearance: white crystalling powder(Conform)
• Identification : Positive(Conform)
• Melting range: 168172(169.2170.1)
• Water: ≤ 0.5%(0.10%)
• Related substance: ImpurityJ(chloroacetanilide)≤10ppm(4ppm)
  Impurity K(4-aminophenol)≤50ppm(6ppm)
  Impurity F(4-nitrophenol)≤0.05%(0.02%)
  Any other impurity ≤0.05%(0.03%)
  Total of other impurity ≤0.1%(0.05%)
• Residue on ignition : ≤ 0.1%(0.08%)
• Chloride : ≤ 0.014%(0.014%)
• Sulfate : ≤ 0.02%(0.02%)
• Sulfide : Conforms
• Heavy metals : ≤ 0.001%(0.001%)
• Free p-aminophenol : ≤ 0.005%(0.005%)
• Limit of p-chloroacetanilide : ≤ 0.001%(0.001%)
• Assay : 99.0%101.0%(99.40%)
• Readily carbonizable substances : Conforms
• Organic volatile impurities : Conforms