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.

