CAS 20039-37-6

Dipyridinium dichromate

Description:

Dipyridinium dichromate is an inorganic compound characterized by its bright orange-red color and is often used as a strong oxidizing agent in organic synthesis. It consists of two pyridine rings (hence the name "dipyridinium") and dichromate ions, which are derived from chromium. The compound is typically encountered as a crystalline solid and is soluble in water, releasing chromate ions in solution. Dipyridinium dichromate is known for its ability to oxidize a variety of organic substrates, making it valuable in synthetic chemistry, particularly in the oxidation of alcohols to carbonyl compounds. However, it is important to handle this substance with care, as it is toxic and poses environmental hazards due to the presence of hexavalent chromium, which is a known carcinogen. Proper safety precautions, including the use of personal protective equipment and adherence to waste disposal regulations, are essential when working with this compound.

Formula: C₅H₅NCr₂H₂O₇

InChI: InChI=1S/C5H5N.2Cr.2H2O.5O/c1-2-4-6-5-3-1;;;;;;;;;/h1-5H;;;2*1H2;;;;;/q;2*+1;;;;;;;/p-2

InChI key: InChIKey=BNSOYWDFFBDEFB-UHFFFAOYSA-L

SMILES: O([Cr](O)(=O)=O)[Cr](O)(=O)=O.C=1C=CN=CC1

Synonyms:

• Bis(pyridinium) dichromate
• Chromic acid (H₂Cr₂O₇), compd. with pyridine (1:2)
• Dichromic acid (H₂Cr₂O₇), compd. with pyridine (1:2)
• Dipyridinium dichromate
• Hydroxy-(Hydroxy-Dioxo-Chromio)Oxy-Dioxo-Chromium
• Oxido-(Oxido-Dioxo-Chromio)Oxy-Dioxo-Chromium
• PDC
• Pd/C
• Pyridin-1-Ium
• Pyridine Dichromate
• Pyridine, compd. with chromic acid (H₂Cr₂O₇) (2:1)
• Pyridine, compd. with dichromic acid (H₂Cr₂O₇) (2:1)
• Dichromic acid (H2Cr2O7), compd. with pyridine (1:2)
• Chromic acid (H2Cr2O7), compd. with pyridine (1:2)
• Pyridine, compd. with chromic acid (H2Cr2O7) (2:1)

Pyridinium Dichromate

CAS: 20039-37-6

Formula: C₁₀H₁₂N₂·Cr₂O₇

Purity: >98.0%(T)

Color and Shape: Orange to Brown powder to crystal

Molecular weight: 376.21

Ref: 3B-P0931

Pyridinium dichromate, 98%

CAS: 20039-37-6

Pyridinium dichromate acts as a strong oxidizing agent used in the conversion of primary alcohols and secondary alcohols to aldehydes and ketones respectively. It plays an important role in the oxidation of unsaturated tertiary alcohols, silyl ethers, the carbon-boron bond, and oximes. Further, it i

Formula: C₁₀H₁₂Cr₂N₂O₇

Purity: 98%

Color and Shape: Orange to brown, Crystals or powder or crystalline powder

Molecular weight: 376.21

Ref: 02-L15132

Pyridinium dichromate

CAS: 20039-37-6

Formula: C₁₀H₁₂Cr₂N₂O₇

Molecular weight: 376.21

Ref: 7W-GK7855

Pyridinium dichromate

CAS: 20039-37-6

Formula: C₁₀H₁₆Cr₂N₂O₇

Purity: 98.0%

Color and Shape: Solid

Molecular weight: 380.237

Ref: 10-F095102

Pyridinium dichromate

CAS: 20039-37-6

Pyridinium dichromate

Formula: ·2C₅H₆N·Cr₂O₇

Purity: ≥95%

Color and Shape: dark brown crystalline powder

Molecular weight: 376.20g/mol

Ref: 54-OR59466

Pyridinium Dichromate

Controlled Product

CAS: 20039-37-6

Formula: C₁₀H₁₂Cr₂N₂O₇

Color and Shape: Neat

Molecular weight: 376.2

Ref: TR-P991580

Pyridinium dichromate

Controlled Product

CAS: 20039-37-6

Pyridinium dichromate is a chemical compound with the formula PdCl(NH). It is an orange-red crystalline solid that is soluble in water. Pyridinium dichromate has been used as a catalyst for organic synthesis, and it inhibits the activity of cox-2 enzyme by binding to its active site. Pyridinium dichromate also has potential applications in the treatment of autoimmune diseases such as chronic bronchitis and rheumatoid arthritis. This substance is a glycoside derivative of pyridine, which reacts with potassium dichromate to form the complex PdCl(OOCCH). The reaction mechanism involves three steps: nucleophilic attack by water on pyridine, formation of a six-membered ring (oxaphosphetane) and hydrolysis of the resulting intermediate. The physiological effects of pyridinium dichromate are not well known, but it has been shown to

Formula: C₁₀H₁₂Cr₂N₂O₇

Purity: Min. 95%

Color and Shape: Powder

Molecular weight: 376.2 g/mol

Ref: 3D-FP31353

Pyridinium Dichromate (Cornforth Reagent, PDC) extrapure, 98%

CAS: 20039-37-6

Formula: C₁₀H₁₀N₂·H₂Cr₂O₇

Purity: min. 98%

Color and Shape: Light orange to red brown, Crystalline powder

Molecular weight: 376.20

Ref: SR-13584