Cornforth reagent

Catalog Number	ACM20039376-1
CAS	20039-37-6
Structure
Synonyms	Pyridiniumdichromate
Molecular Weight	376.2
Molecular Formula	C10H12Cr2N2O7
Canonical SMILES	C1=CC=[NH+]C=C1.C1=CC=[NH+]C=C1.[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-]
InChI	InChI=1S/2C5H5N.2Cr.7O/c2*1-2-4-6-5-3-1;/h2*1-5H;/q;2*-1/p+2
InChI Key	LMYWWPCAXXPJFF-UHFFFAOYSA-P
Melting Point	152-153 °C
Purity	98%
Appearance	Crystalline powder
Exact Mass	375.94546
Hydrogen Bond Acceptor Count	7
Hydrogen Bond Donor Count	2
Monoisotopic Mass	375.94546
Rotatable Bond Count	0
Topological Polar Surface Area	152 Ų

Q&A

What is the chemical formula of Pyridinium dichromate?

The chemical formula of Pyridinium dichromate is C5H7Cr2NO7.

What is the melting point of Pyridinium dichromate?

The melting point of Pyridinium dichromate is 152-153 °C.

What is the color of Pyridinium dichromate?

The color of Pyridinium dichromate is orange to brown.

What is the solubility of Pyridinium dichromate?

Pyridinium dichromate is soluble in DMSO.

What is the key use of Pyridinium dichromate?

Pyridinium dichromate acts as a strong oxidizing agent used in the conversion of primary alcohols and secondary alcohols to aldehydes and ketones respectively.

How can Pyridinium dichromate be prepared?

Pyridinium dichromate can be obtained by gradual addition of a solution of chromic anhydride (Cr2O3) in water to pyridine in ice cold conditions.

What purification method is recommended for Pyridinium dichromate?

Pyridinium dichromate can be purified by dissolving it in the minimum volume of H2O and adding 5 volumes of cold Me2CO and cooling to -20o.

What safety statements are associated with Pyridinium dichromate?

Safety statements for Pyridinium dichromate include 53-45-60-61-37-29-24-17-36/37/39-27-22-26.

What is the Hazard Class of Pyridinium dichromate?

The Hazard Class of Pyridinium dichromate is 5.1.

What is the main role of Pyridinium dichromate in organic chemistry?

Pyridinium dichromate is used as an oxidizing agent in the conversion of primary alcohols to aldehydes and ketones, acetals to esters, and didehydroketones to enones.