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2-Hydroxypyridine

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2-Hydroxypyridine Basic information
2-Hydroxypyridine Chemical Properties
  • Melting point:105-107 °C(lit.)
  • Boiling point:280-281 °C(lit.)
  • Density 1.39
  • refractive index 1.5939 (estimate)
  • Flash point:210 °C
  • storage temp. Store at RT.
  • solubility 450g/l
  • pka0.75(at 20℃)
  • form Liquid
  • color Colorless to yellow to brown, darken on storage with no loss of purity
  • Water Solubility Soluble in water 450 g/L @ 20°C and ethanol, slightly soluble in benzene and ether.
  • BRN 105786
  • CAS DataBase Reference142-08-5(CAS DataBase Reference)
  • NIST Chemistry Reference2(1H)-Pyridinone(142-08-5)
  • EPA Substance Registry System2(1H)-Pyridinone (142-08-5)
Safety Information
  • Hazard Codes Xi,Xn,T
  • Risk Statements 36/37/38-40-25
  • Safety Statements 26-36-37/39-22-45-36/37/39
  • RIDADR UN2811
  • WGK Germany 3
  • RTECS UV1144050
  • 8
  • TSCA Yes
  • HazardClass 6.1
  • PackingGroup III
  • HS Code 29333990
  • ToxicityLD50 ipr-mus: 410 mg/kg TOXIA6 23,815,85
MSDS
2-Hydroxypyridine Usage And Synthesis
  • Chemical Propertieswhite to light yellow crystal
  • UsesCatalyst for generating β-oxopropyl carbonates from cyclic carbonates and alcohols1 and in the aminolysis of a polyglutamate.2
  • DefinitionChEBI: A monohydroxypyridine that is pyridine substituted by a hydroxy group at position 2.
  • Safety ProfileModerately toxic by intraperitoneal and intravenous routes. A combustible liquid. When heated to decomposition it emits toxic vapors of NOx.
  • Purification MethodsDistil the pyridone under vacuum to remove coloured impurity, then recrystallise from *benzene, CCl4, EtOH or CHCl3/diethyl ether. It can be sublimed under high vacuum. [DePue et al. J Am Chem Soc 107 2131 1985, Beilstein 21/7 V 106.]
2-Hydroxypyridine Preparation Products And Raw materials
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