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Potassium dichromate, ACS, 99.0% min
For Use As An Oxidizing Agent, in Dyeing, Painting | CAS: 7778-50-9 | Cr2K2O7 | 294.182 g/mol
Supplier: Thermo Scientific Chemicals 01345022
Description
As an oxidizing agent, in dyeing, painting, decorating porcelain, lithography, in electric batteries, electroplating Potassium dichromate is most often used as an oxidizing agent in laboratories and industries. It is used as a precursor to prepare potassium chrome alum which finds application in leather finishing and tanning. It is utilized in the preparation of chromic acid for cleaning glassware and etching materials It is an active ingredient in cement and is used for retards setting and improves its density and texture. Furthermore, it is used in photography and in photographic screen printing. It is also used in wet test analysis as an analytical lab reagent and in ethanol determination.
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.
Maximum level of impurities: Insoluble matter 0.005%, Loss on drying 0.05%, Cl 0.001%, SO4 0.005%, Ca 0.003%, Fe 0.001%, Na 0.02%Specifications
| Potassium dichromate | |
| For ACS analysis | |
| Orange | |
| 100 g | |
| Cr2K2O7 | |
| potassium dichromate, potassium bichromate, kaliumdichromat, iopezite, dipotassium bichromate, dipotassium dichromate, potassium dichromate vi, dichromic acid dipotassium salt, dipotassium dichromium heptaoxide, bichromate of potash | |
| KMUONIBRACKNSN-UHFFFAOYSA-N | |
| dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium | |
| 24502 | |
| 294.18 | |
| Orange crystalline powder |
| 398°C | |
| 7778-50-9 | |
| Crystalline | |
| 99.0% min. | |
| MFCD00011367 | |
| Soluble in water. Insoluble in alcohol. | |
| [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+] | |
| 294.182 | |
| CHEBI:53444 | |
| ACS | |
| 2.676 g/cm3 |
Chemical Identifiers
| 7778-50-9 | |
| 294.182 | |
| KMUONIBRACKNSN-UHFFFAOYSA-N | |
| 24502 | |
| dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium |
| Cr2K2O7 | |
| MFCD00011367 | |
| potassium dichromate, potassium bichromate, kaliumdichromat, iopezite, dipotassium bichromate, dipotassium dichromate, potassium dichromate vi, dichromic acid dipotassium salt, dipotassium dichromium heptaoxide, bichromate of potash | |
| CHEBI:53444 | |
| [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+] |
Safety and Handling
P201-P202-P210-P220-P221-P260-P262-P264b-P270-P271-P272-P280g-P281-P284-P285-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P333+P313-P363-P370+P378q-P501c
H272-H301-H310+H330-H314-H317-H334-H335-H340-H350-H360FD-H372
DOTInformation : Hazard Class: 5.1, Packing Group: II
EINECSNumber : 231-906-6
RTECSNumber : HX7680000
TSCA : Yes
Recommended Storage : Ambient temperatures
RUO – Research Use Only