214698

Pyridinium dichromate

98%

• Synonym(s): PDC
• 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

Properties

• Quality Level: 200
• 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

Description

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).

Safety Information

• Pictograms: GHS02,GHS08,GHS05,GHS07,GHS09
• Signal Word: Danger
• Hazard Statements: H228,H314,H317,H350i,H410
• Precautionary Statements: P210 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• 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