Thiazole

Thiazole, or 1,3-thiazole, is a 5-membered heterocyclic compound that contains both sulfur and nitrogen. The term 'thiazole' also refers to a large family of derivatives. Thiazole itself is a pale yellow liquid with a pyridine-like odor and the molecular formula C3H3NS. The thiazole ring is notable as a component of the vitamin thiamine (B1).

Thiazole
Names
Preferred IUPAC name
1,3-Thiazole
Other names
Thiazole
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.005.475
UNII
  • InChI=1S/C3H3NS/c1-2-5-3-4-1/h1-3H Y
    Key: FZWLAAWBMGSTSO-UHFFFAOYSA-N Y
  • InChI=1/C3H3NS/c1-2-5-3-4-1/h1-3H
    Key: FZWLAAWBMGSTSO-UHFFFAOYAI
  • n1ccsc1
Properties
C3H3NS
Molar mass 85.12 g·mol−1
Boiling point 116 to 118 °C (241 to 244 °F; 389 to 391 K)
Acidity (pKa) 2.5 (of conjugate acid)
-50.55·10−6 cm3/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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