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214698

Sigma-Aldrich

Pyridinium dichromate

98%

Synonym(s):

PDC

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About This Item

Empirical Formula (Hill Notation):
C10H10N2 · H2Cr2O7
CAS Number:
20039-37-6
Molecular Weight:
376.20
EC Number:
243-478-8
MDL number:
MFCD00013105
UNSPSC Code:
12352005
PubChem Substance ID:
24852846
NACRES:
NA.22

Assay

98%

form

solid

reaction suitability

reagent type: oxidant

mp

152-153 °C (lit.)

SMILES string

c1ccncc1.c2ccncc2.O[Cr](=O)(=O)O[Cr](O)(=O)=O

InChI

1S/2C5H5N.2Cr.2H2O.5O/c2*1-2-4-6-5-3-1;;;;;;;;;/h2*1-5H;;;2*1H2;;;;;/q;;2*+1;;;;;;;/p-2

InChI key

RCBVKBFIWMOMHF-UHFFFAOYSA-L

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General description

Pyridinium dichromate is a pyridinium salt and strong oxidizing agent to convert primary alcohols and secondary alcohols to aldehydes and ketones respectively.

Application

Oxidizing agent for conversion of primary alcohols to aldehydes and ketones, acetals to esters, and didehydroketones to enones in the presence of tert-butyl hydroperoxide (cat. no. 213128).

Signal Word

Danger

Hazard Statements

H228,H314,H317,H350i,H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Dam. 1 - Flam. Sol. 1 - Skin Corr. 1B - Skin Sens. 1

Storage Class Code

4.1A - Other explosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Oxidizing and Reducing Agents

Oxidation and reduction reactions are some of the most common transformations encountered in organic synthesis

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