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Factory Supply High Quality 4-Acetaminophen CAS 103-90-2 Paracetamol Powder
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Factory Supply High Quality 4-Acetaminophen CAS 103-90-2 Paracetamol Powder

Name: Paracetamol / 4-Acetamidophenol 
CAS : 103-90-2
Formula: C14H22N2O
Molecular Weight:234.337
Boiling Point: 372.7±52.0 °C at 760 mmHg
Density: 1.3±0.1 g/cm3
Flash Point: 179.2±30.7 °C
Melting Point: 66-69°C
  • 103-90-2
  • Naipu
  • 103-90-2
Product Description


CAS 103-90-2

CAS 103-90-2Brand: NAIPU
MF C8H9NO2MSDS: Aviable
MW 151.16EINECS:203-157-5
UsageParacetamol or Acetaminophen  CAS: 103-90-2 is mostly used to alleviate fever and ease pain and to make relevant medicine.
CharacteristicsWhite crystalline powder
IdentificationPositive reaction
Melting Point168~172
Water0.5% max
Related substanceConform
Loss on drying0.1% max
Chloride0.014% max
Sulfate0.02% max
Heavy metal10ppm max
Free p-aminophenol0.005% max
Limit of p-chloroacetanilide0.001% max
Readily carbonizable substancesConform
Organic impurityConform

Function and Application


1.Paracetamol is the most commonly used non-anti-inflammatory antipyretic analgesics, antipyretic effect similar analgesic effect is weak, no anti-inflammatory anti-rheumatic effects, acetanilide drugs is the best varieties. Particularly suitable for patients who can not use carboxylic acids. For cold, toothache embolism. Acetaminophen is also an intermediate for organic synthesis, hydrogen peroxide stabilizer, and photographic chemicals.

2.Paracetamol for antipyretic, analgesic, anti-rheumatic drugs

3.Paracetamol for organic synthesis intermediates, hydrogen peroxide stabilizer, photographic chemicals, non-anti-inflammatory antipyretic analgesics.


1. Paracetamole is approved for reducing fever in people of all ages.
2. Paracetamole is used for the relief of pains associated with many parts of the body. It has analgesic properties comparable to those of aspirin, while its anti-inflammatory effects are weaker. It is better tolerated than aspirin in patients in whom excessive gastric acid secretion or prolongation of bleeding time may be a concern.

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