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Pyridine-N-oxide

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Company Name: Shanghai Kaisai Chemical Co., Ltd  Gold
Tel: 021-33516722 13701817765
Email: kaisaichem@163.com
Company Name: Qingdao Helino Chemical Co. LTD  Gold
Tel: 198 6221 1367 18561921626
Email: hailinuochem@163.com
Company Name: J & K SCIENTIFIC LTD.  
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Company Name: INTATRADE GmbH  
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Company Name: Alfa Aesar  
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Pyridine-N-oxide manufacturers

  • Pyridine-N-oxide
  • Pyridine-N-oxide pictures
  • 2026-09-11
  • CAS:694-59-7
  • Min. Order: 1KG
  • Purity: 98%min
  • Supply Ability: 30tons/month
  • Pyridine-N-oxide
  • Pyridine-N-oxide  pictures
  • $1.10
  • 2026-08-20
  • CAS:694-59-7
  • Min. Order: 1g
  • Purity: 99.00%
  • Supply Ability: 100 Tons Min
  • Pyridine-N-oxide
  • Pyridine-N-oxide pictures
  • 2026-06-30
  • CAS:694-59-7
  • Min. Order: 1KG
  • Purity: 98.0%
  • Supply Ability: 10000KGS
Pyridine-N-oxide Basic information
Product Name:Pyridine-N-oxide
Synonyms:PYRIDINE-1-OXIDE;PYRIDINE-N-OXIDE;1-oxidePyridine;Pyridine N-oxide;pyridineoxide;Pyridin-N-oxid;Pyridine-N-Oxidee;PYRIDINE-1-OXIDE 97%
CAS:694-59-7
MF:C5H5NO
MW:95.1
EINECS:211-774-6
Product Categories:important intermediate;C5;Heterocyclic Building Blocks;Pyridines;Pyridine;K00001
Mol File:694-59-7.mol
Pyridine-N-oxide Structure
Pyridine-N-oxide Chemical Properties
Melting point 62-67 °C(lit.)
Boiling point 270 °C(lit.)
density 1.1418 (rough estimate)
refractive index 1.5939 (estimate)
Fp 143 °C
storage temp. 2-8°C
form Crystalline Solid, Crystals, and/or Chunks
pka0.79(at 24℃)
color White to brownish
Water Solubility soluble
Sensitive Hygroscopic
Merck 14,7972
BRN 105257
InChI1S/C5H5NO/c7-6-4-2-1-3-5-6/h1-5H
InChIKeyILVXOBCQQYKLDS-UHFFFAOYSA-N
SMILES[O-][n+]1ccccc1
CAS DataBase Reference694-59-7(CAS DataBase Reference)
NIST Chemistry ReferencePyridine, 1-oxide(694-59-7)
EPA Substance Registry SystemPyridine, 1-oxide (694-59-7)
Safety Information
Hazard Codes Xi,Xn
Risk Statements 36/37/38-22-40-20/21/22
Safety Statements 26-24/25-37/39-36/37/39-22
WGK Germany 3
RTECS UT6410000
21
TSCA TSCA listed
HS Code 29333999
Storage Class11 - Combustible Solids
MSDS Information
ProviderLanguage
Pyridine-N-oxide English
SigmaAldrich English
ACROS English
ALFA English
Pyridine-N-oxide Usage And Synthesis
Chemical PropertiesWhite to light yellow solid
UsesIntermediate.
UsesPyridine N-Oxide is a useful reagent for the chemical industry, a mild reoxidant that transforms osmium-catalyzed oxidative cyclization. A catalytic agent.
DefinitionChEBI: The pyridine N-oxide derived from the parent pyridine. It is a drug metabolite of the antihypertensive agent pinacidil.
Synthesis Reference(s)Organic Syntheses, Coll. Vol. 4, p. 828, 1963
Tetrahedron Letters, 12, p. 2807, 1971 DOI: 10.1016/S0040-4039(01)97047-9
General DescriptionPyridine N-oxide axle with [2]rotaxanes was synthesized via an anion templated threading-followed-by-stoppering strategy.
HazardProbably flammable and toxic.
Purification MethodsPurify the N-oxide by crystallisation from Et2O and by vacuum sublimation. The picrolonate has m 182-184o. [Katritzky J Chem Soc 2407 1956, Beilstein 20 III/IV 2305, 20/5 V 217.]
Tag:Pyridine-N-oxide(694-59-7) Related Product Information
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