CAS No 26299-14-9 , Pyridinium chlorochromate Search by region : Germany

Name: Pyridinium chlorochromate
Synonyms: PCC;Pyridinium chlorochromate;
CAS Registry Number:26299-14-9
Transport: UN 1479 5
Melting Point: 205 ºC
Water Solubility: soluble
Safety Statements: R43;R49;R50/53;R8
Hazard Symbols: O: Oxidizing agent;N: Dangerous for the environment;T: Toxic;
EINECS: 247-595-5
Molecular Weight: 215.55
InChI: InChI=1/C5H5N.ClH.Cr.3O/c1-2-4-6-5-3-1;;;;;/h1-5H;1H;;;;/rC5H5N.ClCrO3/c1-2-4-6-5-3-1;1-2(3,4)5/h1-5H;/q;-1/p+1
Risk Statements: S17;S24;S37;S45;S53;S60;S61
Molecular Formula: C5H5N.HCrO3Cl
Molecular Structure:

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26299-14-9 PYRIDINIUM CHLOROCHROMATE; 98%

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References of Pyridinium chlorochromate

Title: Pyridinium Chlorochromate
CAS Registry Number: 26299-14-9
CAS Name: Chlorotrioxochromate(1-), hydrogen, compd with pyridine (1:1)
Synonyms: PCC
Molecular Formula: C5H6ClCrNO3
Molecular Weight: 215.56
Percent Composition: C 27.86%, H 2.81%, Cl 16.45%, Cr 24.12%, N 6.50%, O 22.27%
Literature References: Oxidizing agent for the efficient conversion of primary or secondary alcohols to carbonyl compounds. Prepn: R. J. Meyer, H. Best, Z. Anorg. Allg. Chem. 22, 192 (1899); J. Bernard, M. Camelot, C.R. Hebd. Seances Acad. Sci. 258, 5881 (1964); and use as an oxidant: E. J. Corey, J. W. Suggs, Tetrahedron Lett. 1975, 2647. Improved prepn: S. Agarwal et al., Tetrahedron 46, 4417 (1990). Oxidation, ring enlargement of furans to pyranones: G. Piancatelli et al., Tetrahedron Lett. 1977, 2199; oxidation of tertiary allylic alcohols: W. G. Dauben, D. M. Michno, J. Org. Chem. 42, 682 (1977). Role in oxidative cationic cyclization: E. J. Corey, D. L. Boger, Tetrahedron Lett. 1978, 2461. Review: G. Piancatelli et al., Synthesis 1982, 245-258.
Properties: Orange-yellow solid, mp 205° (dec). Insol in dichloromethane.
Melting point: mp 205° (dec)
Use: Oxidizing agent in organic synthesis.