Pyridine Sulfur Trioxide

About Pyridine Sulfur Trioxide

Pyridine Sulfur Trioxide Is A Versatile Reagent Widely Used In Organic And Pharmaceutical Synthesis. It Serves As A Sulfonating Agent, Introducing Sulfonic Acid Groups Into Aromatic And Heterocyclic Compounds. This Makes It Valuable In The Synthesis Of Dyes, Pigments, And Specialty Chemicals.

Powerful Sulfonation Reagent

Pyridine Sulfur Trioxide is renowned for its exceptional sulfonating capabilities in organic laboratories. By stabilizing sulfur trioxide with pyridine, the reagent enables efficient introduction of sulfonic acid groups into a variety of aromatic and heterocyclic compounds. This property makes it indispensable for synthetic chemists working on dyes, pharmaceutical intermediates, and advanced specialty chemicals.


Reliable Physical Properties

With a melting point of 160C and a white crystalline appearance, Pyridine Sulfur Trioxide maintains stability under standard storage conditions. Its molecular structure (C5H5NO3S) and purity level between 95-97% assure consistent performance. The reagent exhibits excellent solubility in polar organic solvents, helping chemists design and execute various sulfonation reactions with greater flexibility.