Description

 

Parameter DetailsC13H12N4S
Chemical Name Pyridinium p-Toluenesulfonate (PPTS)
CAS Number 24057-28-1
Chemical Formula C12H13NO3S
Molecular Weight 251.30 g/mol
Appearance White to off-white crystalline powder
Solubility Soluble in water, alcohol, and polar organic solvents
Melting Point 120–125 °C
Boiling Point Decomposes before boiling

Most Common Uses :

  • Used as a mild acid catalyst in organic synthesis.
  • Commonly employed in protection and deprotection of functional groups in chemistry.
  • Applied in esterification, acetal formation, and transesterification reactions.

Storage Reccomendation :

  • Store in a tightly sealed container, in a cool, dry, and well-ventilated area. Keep away from strong bases and moisture.

Hazards :

  • Generally considered safer than mineral acids, but may cause irritation to skin and eyes.
  • Handle with gloves, safety goggles, and in a well-ventilated area.

Other Information :

    • Preferred over traditional acids like p-Toluenesulfonic acid (PTSA) for mild reaction conditions.
    • Frequently used in pharmaceutical and fine chemical synthesis.