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Acetaminophen (Paracetamol) (C8H9NO2) — Properties, Uses & Safety
💊 Pharmaceuticals & DrugsOverview
The world's most widely used OTC pain reliever and fever reducer, sold as Tylenol and Panadol.
- IUPAC Name
- N-(4-hydroxyphenyl)acetamide
- CAS Number
- 103-90-2
- PubChem CID
- 1983
- Molecular Formula
- C8H9NO2
- Molar Mass
- 151.16 g/mol
- State at STP
- solid
- Appearance
- White crystalline powder
Physical Properties
- Melting Point
- 169 °C
- Density
- 1.293 g/cm³
- Solubility in Water
- 14 g/L at 25 °C
Composition
| Element | Count | Mass % |
|---|---|---|
| C | 8 | 63.56% |
| H | 9 | 6% |
| N | 1 | 9.27% |
| O | 2 | 21.17% |
Safety Information
GHS Hazard Codes
H302H373
GHS Pictograms
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