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Home/Compounds/Research Reagent/Pyridine-sulfur trioxide complex
C5H5NO3S
159.17 g/mol
Research ReagentDanger

Sulfur trioxide-pyridine

CAS28322-92-1EC247-683-3
Category
Research Reagent
Compound Class
Other
Primary Use
Research Compound

Sulfur trioxide-pyridine is a chemical complex used as a sulfonation and sulfation reagent in research and chemical synthesis. It is a salt-like mixture of sulfur trioxide and pyridine, commonly employed for introducing sulfonate or sulfate groups into organic molecules.

Sulfonation reagentSulfation reagent

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Safety Reference

Corrosive
Corrosive
Harmful
Harmful
Danger
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H319Causes serious eye irritation
Identifiers
IUPAC Name

pyridine;sulfur trioxide

InChIKey

UDYFLDICVHJSOY-UHFFFAOYSA-N

SMILES

C1=CC=NC=C1.O=S(=O)=O

Synonyms (9)
  • Pyridine sulfotrioxide
  • Pyridine sulfur trioxide
  • Sulphur trioxide pyridine
  • pyridine sulphur trioxide
  • sulfur trioxide-pyridine