Pyridinium chlorochromate
ALDRICH/190144 - 98%
Synonym: PCC
CAS Number: 26299-14-9
Empirical Formula (Hill Notation): C5H5N · ClCrO3H
Molecular Weight: 215.56
EC Number: 247-595-5
MDL Number: MFCD00013106
Linear Formula: C5H6NClCrO3
Product Type: Chemical
| assay | 98% |
| form | solid |
| InChI | 1S/C5H5N.ClH.Cr.H2O.2O/c1 |
| InChI key | JWIPGAFCGUDKEY-UHFFFAOYSA |
| mp | 205-208 °C (lit.) |
| Quality Level | 100 ![]() |
| reaction suitability | reagent type: oxidant |
| SMILES string | O[Cr](Cl)(=O)=O.c1ccncc1 |
| Application: | Stable versatile oxidizing agent for mild and selective oxidation of alcohols. |
| Application: | Used to oxidize an allylic methylene group in a synthesis of α,ß-unsaturated lactones from |
| General description: | PCC is an important organic reagent used for oxidation reactions. |
| Packaging: | 25, 100, 500 g in glass bottle |
| Symbol | ![]() ![]() ![]() GHS03,GHS07,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H272 - H317 - H350i - H410 |
| Precautionary statements | P201 - P210 - P273 - P280 - P302 + P352 - P308 + P313 |
| Hazard Codes | O,T,N |
| Risk Statements | 49-8-43-50/53 |
| Safety Statements | 53-45-60-61 |
| RIDADR | UN1479 - class 5.1 - PG 2 - EHS - Oxidizing solid, n.o.s., HI: a |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 98% |
| mp | 205-208 °C (lit.) |
| UNSPSC | 12352005 |





