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56413

Sigma-Aldrich

2-Pyridinol 1-oxide

≥98.0% (N)

Sinónimos:

1-Hydroxy-2-pyridone, 2-Hydroxypyridine 1-oxide, HOPO

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About This Item

Fórmula empírica (notación de Hill):
C5H5NO2
Número de CAS:
13161-30-3
Peso molecular:
111.10
Beilstein/REAXYS Number:
1422545
EC Number:
236-100-8
MDL number:
MFCD00006195
UNSPSC Code:
12352005
PubChem Substance ID:
57651579
NACRES:
NA.22

assay

≥98.0% (N)

form

solid

mp

147-152 °C

SMILES string

Oc1cccc[n+]1[O-]

InChI

1S/C5H5NO2/c7-5-3-1-2-4-6(5)8/h1-4,7H

InChI key

JVHZMYAXZUIZKS-UHFFFAOYSA-N

Categorías relacionadas

General description

2-Pyridinol 1-oxide (HOPO) is a peptide coupling agent used as a subsititue for HOBt. It can form stable chelate complexes with transition metal ions.

Application

2-Pyridinol 1-oxide can be used:    
  • To fabricate gold electrodes for the electrochemical determination of europium using cyclic voltammetry.        
  • To prepare polymeric nickel (II) complex of 2-hydroxypyridine-N-oxide.
  • In the synthesis of 1-methoxypyrid-4-one in the presence of sodium methoxide and methyl toluene-9-sulphonate.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

212.0 °F - closed cup

flash_point_c

100 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

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875. N-oxides and related compounds. Part V. The tautomerism of 2-and 4-amino-and-hydroxy-pyridine 1-oxide.
Gardne JN & Katritzky AR.
Journal of the Chemical Society, 4375-4385 (1957)
Synthesis, crystal structure and comparative DFT studies of a 1D Ni (II) polymeric complex of 2-Hydroxypyridine-N-oxide
Makhyoun MA, et al.
Journal of Chemical Crystallography, 46(6-7), 269-279 (2016)
Structure and Behavior of Organic Analytical Reagents. Formation Constants of Transition Metal Complexes of 2-Hydroxypyridine-1-Oxide and 2-Mercaptopyridine-1-Oxide.
Sun PJ, et al.
Analytical Chemistry, 36(13), 2485-2488 (1964)
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