Pyridinium chlorochromate
- Product Name
- Pyridinium chlorochromate
- CAS No.
- 26299-14-9
- Chemical Name
- Pyridinium chlorochromate
- Synonyms
- PCC;pyridinium;dipyridinium dichromate;chromate(1-),chlorotrioxo-,(beta-4)-,hydrogen,compd.withpyridine(1:1);The PCC;Urine Luck;orochromate;Pyridinium chL;Corey's reagent;Pyridinium chlorochr
- CBNumber
- CB4667463
- Molecular Formula
- C5H6ClCrNO3
- Formula Weight
- 215.55
- MOL File
- 26299-14-9.mol
Pyridinium chlorochromate Property
- Melting point:
- 205-208 °C(lit.)
- storage temp.
- Inert atmosphere,Room Temperature
- solubility
- Soluble in acetone, benzene, dichloromethane, acetonitrile and tetrahydrofuran.
- form
- Crystalline Powder
- color
- Orange
- Sensitive
- Moisture Sensitive
- Merck
- 14,7974
- BRN
- 7054643
- Exposure limits
- OSHA: Ceiling 0.1 mg/m3
NIOSH: IDLH 15 mg/m3; TWA 0.0002 mg/m3 - Stability:
- Stable. May react with easily oxidized materials. Incompatible with reducing agents, combustible material, metals, strong reducing agents.
- InChI
- InChI=1S/C5H5N.ClH.Cr.3O/c1-2-4-6-5-3-1;;;;;/h1-5H;1H;;;;
- InChIKey
- LEHBURLTIWGHEM-UHFFFAOYSA-N
- SMILES
- C1=CC=NC=C1.[Cr](=O)(=O)(=O)[Cl-].[H+]
- CAS DataBase Reference
- 26299-14-9(CAS DataBase Reference)
- EPA Substance Registry System
- Pyridinium chlorochromate (26299-14-9)
Safety
- Hazard Codes
- O,T,N
- Risk Statements
- 49-8-43-50/53-20/21/22
- Safety Statements
- 53-45-60-61-37-24-17-44-36/37/39-22
- RIDADR
- UN 1479 5.1/PG 2
- WGK Germany
- 2
- TSCA
- Yes
- HazardClass
- 5.1
- PackingGroup
- III
- HS Code
- 29333990
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H272May intensify fire; oxidizer
H317May cause an allergic skin reaction
H410Very toxic to aquatic life with long lasting effects
- Precautionary statements
-
P201Obtain special instructions before use.
P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P308+P313IF exposed or concerned: Get medical advice/attention.
N-Bromosuccinimide Price
- Product number
- 190144
- Product name
- Pyridinium chlorochromate
- Purity
- 98%
- Packaging
- 25g
- Price
- $35.3
- Updated
- 2024/03/01
- Product number
- 190144
- Product name
- Pyridinium chlorochromate
- Purity
- 98%
- Packaging
- 100g
- Price
- $89.1
- Updated
- 2024/03/01
- Product number
- P0930
- Product name
- Pyridinium Chlorochromate
- Purity
- >98.0%(T)
- Packaging
- 25g
- Price
- $19
- Updated
- 2024/03/01
- Product number
- P0930
- Product name
- Pyridinium Chlorochromate
- Purity
- >98.0%(T)
- Packaging
- 100g
- Price
- $45
- Updated
- 2024/03/01
- Product number
- A11752
- Product name
- Pyridinium chlorochromate, 98%
- Packaging
- 25g
- Price
- $27.65
- Updated
- 2024/03/01
Pyridinium chlorochromate Chemical Properties,Usage,Production
Chemical Properties
Pyridinium chlorochromate is orange crystalline powder
Uses
Oxidizing agent in organic synthesis.
PCC is pyridinium chlorochromate; PDC is pyridinium dichromate. Both are used in dichloromethane.
Uses
Pyridinium chlorochromate is usually used to oxidize an allylic methylene group.
Oxidation of primary alcohols to aldehydes
Pyridinium dichromate (PDC) or pyridinium chlorochromate (PCC) in anhydrous media such as dichloromethane oxidizes primary alcohols to aldehydes while avoiding overoxidation to carboxylic acids.
Uses
Pyridinium chlorochromate is used as an oxidizing agent to convert primary and secondary alcohols to aldehydes and ketones respectively. It is involved in the preparation of cyclohexanone, (-)-pulegone and lactones. It plays an important role in the selective mono-oxidation of xylenes to tolualdehydes and arylhydroxyamines to nitroso compounds. Furthermore, it is utilized as an oxidant for amino acids, L-cystine, aniline, cycloalkanols, vicinal and non-vicinal diols as well as in the Babler oxidation reaction.
Reactions
Pyridinium chlorochromate (PCC) is a widespread used oxidation reagent but lacks of selectivity with unsaturated compounds. Furthermore, the workup procedure is quite tedious. Absorption of PCC onto silica gel improves the oxidation but then a reagent excess is necessary to reach appropriate rates. These drawbacks can be overcome by sonication leading to short reaction times and only an small excess of 1.2.-1.5 eq. of PCC is required. Using this reagent has been used to oxidise borneol to camphor in 85% yield.
Purification Methods
Dry it in a vacuum for 1hour. It is not hygroscopic and can be stored for extended periods at room temperature without change. If the purity is very suspect, it can be readily prepared. [Corey & Scuggs Tetrahedron Lett 2647 1975, Piancatelli et al. Synthesis 245 1982.] (Possible CARCINOGEN.) § Available commercially on a polymer support.
Pyridinium chlorochromate Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Pyridinium chlorochromate manufacturers
- Product
- PYRIDINIUM CHLOROCHROMATE 26299-14-9
- Price
- US $0.00/kg
- Min. Order
- 1kg
- Purity
- 0.99
- Supply Ability
- 20tons
- Release date
- 2024-10-30
- Product
- Pyridinium Chloro Chromate 26299-14-9
- Price
- US $85.00/Kg
- Min. Order
- 0.100Kg
- Purity
- 98
- Supply Ability
- 1000 Kg
- Release date
- 2024-10-04
- Product
- Pyridinium chlorochromate (PCC) 26299-14-9
- Price
- US $10.00/Kg/Bag
- Min. Order
- 1Kg/Bag
- Purity
- 99%
- Supply Ability
- 20 Tons
- Release date
- 2021-10-29