4-Nitropyridine N-oxide

4-Nitropyridine N-oxide Basic information
Preparation
Product Name:4-Nitropyridine N-oxide
Synonyms:epapesticidechemicalcode597300;p-Nitropyridine N-oxide;Pyridine, 4-nitro-, 1-oxide;pyridine,4-nitro-,1-oxide;NITROPYRIDINE-N-OXIDE;4-Nitropyridin-N-oxid;4-NITROPYRIDINE-N-0XIDE 97%;Nitropyridine-n-oxide, 4-: (Pyridine, 4-nitro-1-oxide)
CAS:1124-33-0
MF:C5H4N2O3
MW:140.1
EINECS:214-395-4
Product Categories:Pyridines, Pyrimidines, Purines and Pteredines;Pyridine;Pyridines;Pyridines derivates;C5;Heterocyclic Building Blocks
Mol File:1124-33-0.mol
4-Nitropyridine N-oxide Structure
4-Nitropyridine N-oxide Chemical Properties
Melting point 159-162 °C (lit.)
Boiling point 256.56°C (rough estimate)
density 1.5657 (rough estimate)
refractive index 1.4800 (estimate)
storage temp. Inert atmosphere,Room Temperature
solubility soluble in DMSO
pka-1.37±0.10(Predicted)
form Crystals or Powder
color Yellow to brown
Water Solubility insoluble
BRN 124331
CAS DataBase Reference1124-33-0(CAS DataBase Reference)
NIST Chemistry ReferencePyridine-1-oxide, 4-nitro-(1124-33-0)
EPA Substance Registry System4-Nitropyridine-1-oxide (1124-33-0)
Safety Information
Hazard Codes T
Risk Statements 25-36/37/38-40-23/24/25
Safety Statements 26-45-37/39-28A-36-22
RIDADR UN 2811 6.1/PG 3
WGK Germany 3
RTECS UT6380000
TSCA Yes
HazardClass 6.1
PackingGroup III
HS Code 29333999
Hazardous Substances Data1124-33-0(Hazardous Substances Data)
ToxicityLD50 orl-rat: 107 mg/kg JWMAA9 29,830,65
MSDS Information
ProviderLanguage
4-Nitropyridine N-oxide English
SigmaAldrich English
ACROS English
ALFA English
4-Nitropyridine N-oxide Usage And Synthesis
Preparationpyridine is reluctant to undergo electrophilic nitration, pyridine-N-oxide is activated to electrophilic attack and nitration gives 4-nitropyridine-N-oxidel.1124-33-0 synthesis
Chemical Propertieswhite to light yellow crystal
Uses4-Nitropyridine N-oxide may be used in the preparation of several 4-substituted pyridine-N-oxides and pyridines.
UsesThe N-oxide derivative of a nitrated pyridine that has been shown to inhibit Na,K-ATPase activity. 4-Nitropyridine N-Oxide is a quorum sensing inhibitor.
General DescriptionSolid.
Air & Water ReactionsMay be deliquescent.
Reactivity ProfileAromatic nitro compounds range from slight to strong oxidizing agents. If mixed with reducing agents, including hydrides, sulfides and nitrides, they may begin a vigorous reaction.
Health HazardHigh toxicity via oral exposure.
Fire HazardWhen heated to decomposition, 4-Nitropyridine N-oxide emits very toxic fumes of nitrogen oxides. Avoid decomposing heat.
Safety ProfilePoison by ingestion and skincontact. Questionable carcinogen with experimentaltumorigenic data. Mutation data reported. Mixtures withdiethyl-1,4-dihydro-2,6-dimethylpyridine-3,5-dicarboxylateexplode when heated above 130°C. When heated todecompositio
2-ETHYL-4-NITROPYRIDINE 1-OXIDE AKOS BBS-00002608 3-BROMO-4-NITROPYRIDINE N-OXIDE, 98+%,3-BROMO-4-NITROPYRIDINE 1-OXIDE,3-BROMO-4-NITROPYRIDINE N-OXIDE 4,4'-DINITRO-2,2'-BIPYRIDINE N-OXIDE (Diethoxymethyl)diphenylphosphine oxide Iron oxide Zinc oxide 4-Nitropyridine superoxide dismutase Pyridine-N-oxide 4-Nitropyridine N-oxide 2,3-DIMETHYL-4-NITROPYRIDINE N-OXIDE,2,3-DIMETHYL-4-NITROPYRIDINE 1-OXIDE,2,3-Nimethyl-4-nitropyridine-N-oxide NITROUS OXIDE Metallic oxides 3-METHYL-4-NITROPYRIDINE 1-OXIDE,3-METHYL-4-NITROPYRIDINE N-OXIDE,5-Methyl-4-nitropyridine N-oxide,3-METHYL-4-NITROPYRIDINE N-OXIDE 98% 2-BROMO-4-NITROPYRIDINE 1-OXIDE,2-BROMO-4-NITROPYRIDINE N-OXIDE Cuprous oxide Propylene oxide

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