|Systematic (IUPAC) name|
|ATC code||A01B01 , N02|
|Mol. mass||180.157 g/mol|
|Melt. point||135 °C (275 °F)|
|Boiling point||140 °C (284 °F) (decomposes)|
|Solubility in water||3 mg/mL (20 °C)|
|Bioavailability||Rapidly and completely absorbed|
|Half life||300–650 mg dose: 3.1–3.2 h
1 g dose: 5 h
2 g dose: 9 h
|Routes||Most commonly oral. Lysine acetylsalicylate may be given IV or IM|
Aspirin (acetylsalicylic acid) is a drug. It is most commonly used as a pain killer, or to reduce fever or inflammation. It also has an anti-platelet effect - it reduces the number of platelets in the blood which reduces blood clotting- in that function it is used to prevent heart attacks. Aspirin is one of the most-used medical drugs in the world. Aspirin was invented in Germany in 1897. Bayer has a trademark on the brand name "aspirin" in 80 countries. But in other countries, "aspirin" is the common name for the drug.
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Aspirin Facts for Kids. Kiddle Encyclopedia.