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Pyridinium dichromate, 98%, Thermo Scientific Chemicals
Alfa Aesar Pyridinium dichromate, 98%, Quantity: 100g, Melting Point: ∼145 deg.C to 147 deg.C, Molecular Weight: 376.205, Percent Purity: 98%, CAS: 20039-37-6, DOT Information: Transport Hazard Class: 5.1; Packing Group: II; Proper Shipping Name: OXIDIZING SOLID, TOXIC, N.O.S.
Supplier: Thermo Scientific Chemicals L1513214
Description
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 is used in the conversion of acetals to esters and didehydroketones to enones in the presence of tert-butyl hydroperoxide.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
ApplicationsPyridinium 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 is used in the conversion of acetals to esters and didehydroketones to enones in the presence of tert-butyl hydroperoxide.
Solubility
Soluble in water, dimethyl formamide, dimethyl sulfoxide and acetonitrile. Slightly soluble in dichloromethane, chloroform and acetone. Insoluble in hexane, ether and ethyl acetate.
Notes
Hygroscopic. Incompatible withorganic materials and powdered metals.
Specifications
| Pyridinium dichromate | |
| ∼145°C to 147°C | |
| MFCD00013105 | |
| UN3087 | |
| pyridinium dichromate, cornforth reagent, pyridinium dichromate pdc, oxido-oxido dioxo chromio oxy-dioxochromium; pyridin-1-ium, pyridiniumdichromate, pyridinium-dichromate, dipyridinium dichromate, bis pyridium chromate, pyridiniumdichromate pdc, acmc-209f5g | |
| LMYWWPCAXXPJFF-UHFFFAOYSA-P | |
| oxido-(oxido(dioxo)chromio)oxy-dioxochromium;pyridin-1-ium | |
| 2724130 | |
| 98% |
| 20039-37-6 | |
| C10H12Cr2N2O7 | |
| 25 g | |
| Hygroscopic | |
| Soluble in water,dimethyl formamide,dimethyl sulfoxide and acetonitrile. Slightly soluble in dichloromethane,chloroform and acetone. Insoluble in hexane,ether and ethyl acetate. | |
| C1=CC=[NH+]C=C1.C1=CC=[NH+]C=C1.[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-] | |
| 376.205 | |
| 376.21 |
Chemical Identifiers
| 20039-37-6 | |
| 376.205 | |
| LMYWWPCAXXPJFF-UHFFFAOYSA-P | |
| 2724130 | |
| C1=CC=[NH+]C=C1.C1=CC=[NH+]C=C1.[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-] |
| C10H12Cr2N2O7 | |
| MFCD00013105 | |
| pyridinium dichromate, cornforth reagent, pyridinium dichromate pdc, oxido-oxido dioxo chromio oxy-dioxochromium; pyridin-1-ium, pyridiniumdichromate, pyridinium-dichromate, dipyridinium dichromate, bis pyridium chromate, pyridiniumdichromate pdc, acmc-209f5g | |
| oxido-(oxido(dioxo)chromio)oxy-dioxochromium;pyridin-1-ium |
Safety and Handling
GHS H Statement
H351-H317
Suspected of causing cancer.
May cause an allergic skin reaction.
P201-P202-P210-P220-P221-P240-P241-P260-P264b-P271-P281-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P370+P378q-P501c
H228-H272-H314-H335-H350i-H373
DOTInformation : Transport Hazard Class: 5.1; Packing Group: II; Proper Shipping Name: OXIDIZING SOLID, TOXIC, N.O.S.
EINECSNumber : 243-478-8
TSCA : Yes
Recommended Storage : Ambient temperatures; Store under Nitrogen
RUO – Research Use Only