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694-59-7

Name Pyridine-N-oxide
CAS 694-59-7
EINECS(EC#) 211-774-6
Molecular Formula C5H5NO
MDL Number MFCD00006194
Molecular Weight 95.1
MOL File 694-59-7.mol
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Chemical Properties

Appearance White to light yellow solid
Melting point  62-67 °C(lit.)
Boiling point  270 °C(lit.)
density  1.1418 (rough estimate)
refractive index  1.5939 (estimate)
Fp  143 °C
storage temp.  2-8°C
form  Crystalline Solid, Crystals, and/or Chunks
pka 0.79(at 24℃)
color  White to brownish
Water Solubility  soluble
Sensitive  Hygroscopic
Merck  14,7972
BRN  105257
Uses
Intermediate.
CAS DataBase Reference 694-59-7(CAS DataBase Reference)
NIST Chemistry Reference Pyridine, 1-oxide(694-59-7)
Storage Precautions Moisture sensitive
EPA Substance Registry System 694-59-7(EPA Substance)
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Safety Data

Hazard Codes  Xi,Xn
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
R22:Harmful if swallowed.
R40:Limited evidence of a carcinogenic effect.
R20/21/22:Harmful 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 .
S24/25:Avoid contact with skin and eyes .
S37/39:Wear suitable gloves and eye/face protection .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S22:Do not breathe dust .
WGK Germany  3
RTECS  UT6410000
F  21
TSCA  Yes
HS Code  29333999

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