Pyridine-2-sulfonic acid

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CAS NO.: 15103-48-7 Catalog: PRD0156
Formula: C5H5NO3S Purity: 97.00% +
Molecular Weight: 159.17 Pubchem CID: 94849
InChI Key: KZVLNAGYSAKYMG-UHFFFAOYSA-N
Canonical SMILES: C1=CC=NC(=C1)S(=O)(=O)O
Storage: Store in a cool, dry and well-ventilated area away from incompatible substances.
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Properties Information

Melting point:
244-249 °C
Density 
1.509±0.06 g/cm3(Predicted)
pka
-2.92±0.18(Predicted)
Water Solubility 
almost transparency

Safety Information

Symbol(GHS) 

GHS05
Signal word 
Danger
Hazard statements 
H290-H314
Precautionary statements 
P280-P305+P351+P338-P310-P234-P260-P264-P301+P330+P331+P310-P303+P361+P353+P310+P363-P304+P340+P310-P305+P351+P338+P310-P390-P405-P406-P501
Hazard Codes 
C
Risk Statements 
34
Safety Statements 
26-36/37/39-45
RIDADR 
UN 2585 8/PG 3
WGK Germany 
3
Hazard Class 
8
Packing Group 
III
HS Code 
29333990