1124-33-0

Name 4-Nitropyridine N-oxide
CAS 1124-33-0
EINECS(EC#) 214-395-4
Molecular Formula C5H4N2O3
MDL Number MFCD00006206
Molecular Weight 140.1
MOL File 1124-33-0.mol
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Chemical Properties

Appearance white to light yellow crystal
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
form  Crystals or Powder
pka -1.37±0.10(Predicted)
color  Yellow to brown
Water Solubility  insoluble
BRN  124331
InChI InChI=1S/C5H4N2O3/c8-6-3-1-5(2-4-6)7(9)10/h1-4H
InChIKey RXKNNAKAVAHBNK-UHFFFAOYSA-N
SMILES C1[N+]([O-])=CC=C([N+]([O-])=O)C=1
CAS DataBase Reference 1124-33-0(CAS DataBase Reference)
NIST Chemistry Reference Pyridine-1-oxide, 4-nitro-(1124-33-0)
EPA Substance Registry System 1124-33-0(EPA Substance)

Safety Data

Symbol(GHS)  Health Hazard (GHS08)Skull and Crossbones (GHS06)
GHS08,GHS06
Signal word  Danger
Hazard statements  H301-H315-H319-H335-H300-H341
Precautionary statements  P261-P301+P310-P305+P351+P338-P201-P301+P310a-P405-P501a
Hazard Codes  T
Risk Statements 
R25:Toxic if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
R40:Limited evidence of a carcinogenic effect.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S37/39:Wear suitable gloves and eye/face protection .
S36:Wear suitable protective clothing .
S22:Do not breathe dust .
RIDADR  UN 2811 6.1/PG 3
WGK Germany  3
RTECS  UT6380000
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  29333999
Hazardous Substances Data 1124-33-0(Hazardous Substances Data)
Toxicity
LD50 orl-rat: 107 mg/kg JWMAA9 29,830,65

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Hazard Information

Material Safety Data Sheet(MSDS)

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