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2-Pyridinol-1-oxid
≥98.0% (N)
Synonym(e):
1-Hydroxy-2-pyridon, 2-Hydroxy-pyridin-1-oxid
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About This Item
Empirische Formel (Hill-System):
C5H5NO2
CAS-Nummer:
Molekulargewicht:
111.10
Beilstein:
1422545
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352005
PubChem Substanz-ID:
NACRES:
NA.22
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Qualitätsniveau
Assay
≥98.0% (N)
Form
solid
mp (Schmelzpunkt)
147-152 °C
SMILES String
Oc1cccc[n+]1[O-]
InChI
1S/C5H5NO2/c7-5-3-1-2-4-6(5)8/h1-4,7H
InChIKey
JVHZMYAXZUIZKS-UHFFFAOYSA-N
Verwandte Kategorien
Allgemeine Beschreibung
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.
Anwendung
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.
Signalwort
Warning
H-Sätze
Gefahreneinstufungen
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Zielorgane
Respiratory system
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 3
Flammpunkt (°F)
212.0 °F - closed cup
Flammpunkt (°C)
100 °C - closed cup
Persönliche Schutzausrüstung
dust mask type N95 (US), Eyeshields, Gloves
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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)
Laura Cruickshank et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 31(7), 623-627 (2015-07-15)
This work presents for the first time the electrochemical determination of europium using cyclic voltammetry at gold electrodes modified with 2-pyridinol-1-oxide. A well-defined oxidation peak was observed in cyclic voltammetry as a result of the oxidation of the europium at
Dong-Geon Lee et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 20(5), 752-756 (2019-01-11)
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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)
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