| Identification | More | [Name]
2-Pyridinol-1-oxide | [CAS]
13161-30-3 | [Synonyms]
1 HYDROXY-2(1H)-PYRIDINONE
1-HYDROXY-2-PYRIDONE
2-HYDROXYPYRIDINE 1-OXIDE
2-HYDROXYPYRIDINE N-OXIDE
2-pyridinol-1-oxide
2-PYRIDINOL N-OXIDE
PYRIDIN-2-OL 1-OXIDE
TIMTEC-BB SBB004330
Pyridinium,1,2-dihydroxy-,1-hydroxide,inner salt
2-Hydorxy Pyridine-N-Oxide
2-HYDROXYPYRIDINE N-OXIDE 98%
2-HYDROXYPYRIDINE N-OXIDE 98+%
2-HYDROXYPRIDINE-N-OXIDE
2-Hydroxypyridine-N-oxide, 2-Pyridinol N-oxide, 1-Hydroxy-2-pyridone
HPNO
1-Hydroxy-2-pyridone, 2-Pyridinol N-oxide | [EINECS(EC#)]
236-100-8 | [Molecular Formula]
C5H5NO2 | [MDL Number]
MFCD00006195 | [Molecular Weight]
111.1 | [MOL File]
13161-30-3.mol |
| Chemical Properties | Back Directory | [Definition]
Bactericidal agent related to aspergillic acid, made from pyridine-N-oxide. | [Appearance]
Weight 20% solution in water | [Melting point ]
147-152 °C | [Boiling point ]
387.7±15.0 °C(Predicted) | [density ]
1.111 | [vapor pressure ]
0.223Pa at 25℃ | [refractive index ]
1.388 | [Fp ]
100 °C | [storage temp. ]
Store at RT. | [solubility ]
Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly), Water (Slightly) | [form ]
Solid | [pka]
pK1:-0.62;pK2:5.97(0) (25°C) | [color ]
Off-White to Light Yellow | [Water Solubility ]
331g/L | [Detection Methods]
HPLC | [BRN ]
1422545 | [InChI]
1S/C5H5NO2/c7-5-3-1-2-4-6(5)8/h1-4,7H | [InChIKey]
JVHZMYAXZUIZKS-UHFFFAOYSA-N | [SMILES]
Oc1cccc[n+]1[O-] | [LogP]
-1.07 at 25℃ | [CAS DataBase Reference]
13161-30-3(CAS DataBase Reference) | [NIST Chemistry Reference]
2-Pyridinol-1-oxide(13161-30-3) |
| Safety Data | Back Directory | [Symbol(GHS) ]
GHS07 | [Signal word ]
Warning | [Hazard statements ]
H315-H319-H335 | [Precautionary statements ]
P261-P264-P271-P280-P302+P352-P305+P351+P338 | [Hazard Codes ]
Xi,Xn | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin .
R40:Limited evidence of a carcinogenic effect. | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S22:Do not breathe dust . | [WGK Germany ]
3
| [REACH Registrations]
Active | [HS Code ]
29333990 | [Storage Class]
11 - Combustible Solids | [Hazard Classifications]
Eye Irrit. 2
Skin Irrit. 2
STOT SE 3 |
| Hazard Information | Back Directory | [Chemical Properties]
Weight 20% solution in water | [Uses]
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.
| [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. | [Synthesis]
500L reactor add 2-chloropyridine 30 kg, 200 kg of tap water, sodium tungstate 1.5 kg, 2 kg of concentrated sulfuric acid, stirring to dissolve clear; temperature to 55 ℃, slowly drop 30% hydrogen peroxide 100 kg; drop after the completion of the temperat | [References]
[1] Laura Cruickshank. “Rare Elements Electrochemistry: The Development of a Novel Electrochemical Sensor for the Rapid Detection of Europium in Environmental Samples Using Gold Electrode Modified with 2-pyridinol-1-oxide.” Analytical Sciences 31 7 (2015): 623–627.
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