Anodyne

ASA
Acetylsalicylic acid
Salts
[]
Acetylsalicylic acid salicylate
Acetylsalicylic acid salicylate
Molecular structure via molpic
Conformer structure via 3Dmol.js
Molecular formulaC9H8O4
Molecular mass180.16 g/mol
Density1.4 (NTP, 1992) - Denser than water; will sink g/cm3
AppearanceMonoclinic tablets or needle-like crystals
OdorOdorless, but in moist air it is gradually hydrolyzed and acquires odor of acetic acid
Predicted LogP1.2
Melting point275 °
Boiling point284 °
DecompositionWhen heated to decomposition it emits acrid smoke and fumes.
Solubilityless than 1 mg/mL at 73 °F (NTP, 1992)
Chiralityachiral
Identifiers
[]
IUPAC name2-acetyloxybenzoic acid
SMILESCC(=O)OC1=CC=CC=C1C(=O)O
InChIInChI=1S/C9H8O4/c1-6(10)13-8-5-3-2-4-7(8)9(11)12/h2-5H,1H3,(H,11,12)
InChIKeyBSYNRYMUTXBXSQ-UHFFFAOYSA-N
Dosing

Acetylsalicylic acid

Acetylsalicylic acid (also known as aspirin, 2-Acetoxybenzoic acid, 2-(Acetyloxy)benzoic acid, Acetosal, O-Acetylsalicylic acid, o-Acetoxybenzoic acid, Acenterine, Acetophen, Acylpyrin or Easprin)

Chemistry

Acetylsalicylic acid is typically found in the form of its salicylate salt.

Stereochemistry

Acetylsalicylic acid is a achiral mixture

See also