Anodyne

Pyridine
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Molecular structure via molpic
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Physical properties
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Molecular mass79.10 g/mol [1]
Density0.983 at 68 °F (USCG, 1999) - Less dense than water; will float g/cm3 [1]
AppearanceColorless to yellow liquid. [1]
OdorSharp, nauseating [1]
TasteAMINE TASTE [1]
Predicted LogP0.7 [1]
Melting point-44 °F (NTP, 1992) [1]
Boiling point239 ° [1]
DecompositionWhen pyridine is heated to decomposition, cyanide fumes are released. [1]
Solubilitygreater than or equal to 100 mg/mL at 70.7 °F (NTP, 1992) [1]
Structural Identifiers
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Molecular formulaC5H5[1]
IUPAC namepyridine [1]
SMILESC1=CC=NC=C1 [1]
InChIInChI=1S/C5H5N/c1-2-4-6-5-3-1/h1-5H [1]
InChIKeyJUJWROOIHBZHMG-UHFFFAOYSA-N [1]
Dosing

Pyridine

Pyridine (also known as Azabenzene, Azine, Pyridin, Piridina, Pirydyna, RCRA waste number U196, NCI-C55301, FEMA No. 2966, FEMA Number 2966 or CP 32) is a substance of the pyridine class.

Chemistry

See also []

  • Substituted pyridines
  • Anodyne
  • External links []

    References []

    1. National Center for Biotechnology Information. PubChem Compound Summary for CID 1049, Pyridine. Accessed July 19, 2025. https://pubchem.ncbi.nlm.nih.gov/compound/1049

    2. U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. Pyridine. UNII: NH9L3PP67S. Global Substance Registration System. Accessed July 19, 2025. https://gsrs.ncats.nih.gov/ginas/app/beta/substances/NH9L3PP67S