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3-Pyridinesulfonic Acid

3-Pyridinesulfonic acid / CAS : 636-73-7

Appearance White crystalline powder UN 2585 8/PG 3
HS 2933399099 DG Class 8
Synonyms Pyridine-3-Sulfonic acid; Pyridine-3-Sulphonic acid; 3-Pyridylsulfonic acid; 3-Sulfopyridine; beta-Sulfopyridine; Pyridin-3-Sulfonic acid; Pyridine 3 Sulfonic acid
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Properties

Summary

Formula
C5H5NO3S
Molecular Mass
159.16300
Exact Mass
158.99900
PSA
75.64000
Logp
1.40910
IUPAC
pyridine-3-sulfonic acid
SMILES
C1=CC(=CN=C1)S(=O)(=O)O

Attribute classification

Matter Classification
organic
Category
API & Intermediate > Pharmaceutical Intermediates

Chemical and Physical Properties

Melting Point
>300 °C(lit.)
Density
1.509 g/cm3
Flash Point
> 66
Appearance
White crystalline powder

Export information

HS Code
2933399099
Export Rebate
13%
UN No.
2585 8/PG 3
DG-Class
8
Risk Code
R22; R34
Safety Label
C

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