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Pyridine-4-Carboxylic Acid N-Oxide

Pyridine-4-Carboxylic Acid N-Oxide / CAS : 13602-12-5

Appearance White to light yellow to light red powder crystals UN 0
HS 28112900 DG Class 0
Synonyms Rarechem Al Bo 1255; Pyridine-4-Carboxylic Acid 1-Oxide; Isonicotinic Acid N-Oxide; 4-Pyridinecarboxylicacid,1-Oxide; Isonicotinic-N-Oxide Acid; Pyridin-N-Oxide-4-Carboxylic Acid
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Properties

Summary

Formula
C6H5NO3
Molecular Mass
139.11
Exact Mass
139.02700
PSA
62.76000
Logp
0.81330
IUPAC
1-oxidopyridin-1-ium-4-carboxylic acid
SMILES
C1=C[N+](=CC=C1C(=O)O)[O-]

Attribute classification

Matter Classification
organic
Category
API & Intermediate > Pharmaceutical Intermediates

Chemical and Physical Properties

Melting Point
270-271 °C(lit.)
Density
1.4429 (rough estimate)
Boiling Point
255.04°C (rough estimate)
Flash Point
237.4ºC
Appearance
White to light yellow to light red powder crystals

Export information

HS Code
28112900
Export Rebate
0%
UN No.
0
DG-Class
0
Risk Code
36/37/38
Safety Label
Xi

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