Pyridinium Chlorochromate

Pyridinium Chlorochromate (PCC) is an orange-colored oxidizing reagent widely used in organic chemistry. It is known for selectively oxidizing primary alcohols to aldehydes without over-oxidation to carboxylic acids.


CAS Number 26299-14-9
Chemical Formula C5H6ClCrNO3
Molecular Weight 215.56 g/mol
Appearance Bright orange to orange-red crystalline powder
Melting Point 205 °C
Purity ≥ 98.0%
Solubility Soluble in Dichloromethane (DCM), Acetone, and Acetonitrile.
Commonly used as a suspension in DCM.
Safety Information Highly toxic, carcinogenic, and strong oxidizing agent.
Classified as hazardous heavy metal waste.
Packing 25 Kg or 50 Kg drums (standard for pharmaceutical
intermediate manufacturing)
Synonyms PCC,
Corey–Suggs Reagent,
Pyridinium monochlorotrioxochromate (VI),
Chlorochromic acid, pyridinium salt,
Pyridinium chlorotrioxochromate
Uses Used as a mild and selective oxidizing agent in organic synthesis,
especially for converting primary alcohols to aldehydes without
further oxidation.

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