Aspirin, also known as acetylsalicylic acid, is an organic compound with the chemical formula of C9H8O4. It is a white crystalline powder, soluble in ethanol, ether, and slightly soluble in water. It is mainly used as antipyretic and analgesic, non-steroidal anti-inflammatory drugs, and antiplatelet aggregation drugs. After nearly 100 years of clinical application, it has been proved that it has a good effect on relieving mild or moderate pain, such as toothache, headache, neuralgia, muscle soreness, and dysmenorrhea, and is also used for colds The antipyretic treatment of fever diseases such as influenza and the treatment of rheumatic pain can prevent the formation of thrombus. It is clinically used to prevent the formation of thrombus after transient cerebral ischemia attack, myocardial infarction, artificial heart valve and venous fistula or other operations.
Chemical formula: C9H8O4
Molecular weight: 180.157
CAS No.: 50-78-2
EINECS No.: 200-064-1
Density: 1.34g/cm3
Melting point: 136-140 ºC
Boiling point: 321.4 ° C
Flash point: 131.1 ° C
Refractive index: 1.551
Appearance: white crystalline powder
Solubility: soluble in ethanol and ether, slightly soluble in water