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  7. Potassium dichromate, ACS, 99.0% min

Potassium dichromate, ACS, 99.0% min

Product Code. 11386798
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Product Code. Quantity unitSize
11386798 500 g 500g
11396798 100 g 100g
11306808 2.5 kg 2.5kg
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Regulatory: This product contains a substance listed in Annex XIV to REACH Regulation (EC) No 1907/2006, all customers must complete a declaration before delivery.

Product Code. 11386798

Brand: Thermo Scientific Alfa Aesar 013450.36

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This item is not returnable. View return policy
Regulatory: This product contains a substance listed in Annex XIV to REACH Regulation (EC) No 1907/2006, all customers must complete a declaration before delivery.

Description

For Use As An Oxidizing Agent, in Dyeing, Painting | CAS: 7778-50-9 | Cr2K2O7 | 294.182 g/mol

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%
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 7778-50-9
Molecular Formula Cr2K2O7
Molecular Weight (g/mol) 294.182
MDL Number MFCD00011367
InChI Key KMUONIBRACKNSN-UHFFFAOYSA-N
Synonym potassium dichromate, potassium bichromate, kaliumdichromat, iopezite, dipotassium bichromate, dipotassium dichromate, potassium dichromate vi, dichromic acid dipotassium salt, dipotassium dichromium heptaoxide, bichromate of potash
PubChem CID 24502
ChEBI CHEBI:53444
IUPAC Name dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium
SMILES [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]

Specifications

Melting Point 398°C
Color Orange
Physical Form Crystalline
Quantity 500 g
Assay Percent Range 99.0% min.
Solubility Information Soluble in water. Insoluble in alcohol.
Formula Weight 294.18
Grade ACS
Appearance Orange crystalline powder
Density 2.676 g/cm3
Chemical Name or Material Potassium dichromate, For ACS analysis
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