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Kaliumdichromat, ACS, 99.0 % min., Thermo Scientific Chemicals
Zur Verwendung als Oxidationsmittel, in Färbemitteln, beim Lackieren
43.10 CHF - 405.00 CHF
Chemische Identifikatoren
| CAS | 7778-50-9 |
|---|---|
| Summenformel | Cr2K2O7 |
| Molekulargewicht (g/mol) | 294.182 |
| MDL-Nummer | MFCD00011367 |
| InChI-Schlüssel | 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 | Dikalium; Oxido-(Oxido(dioxo)chromio)oxy-dioxochrom |
| SMILES | [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+] |
| Product Code | Brand | Menge | Price | Quantity & Availability | |||||
|---|---|---|---|---|---|---|---|---|---|
| Product Code | Brand | Menge | Price | Quantity & Availability | |||||
|
11396798
|
Thermo Scientific Alfa Aesar
013450.22 |
100 g |
43.10 CHF
100 Gramm |
Lager vorrätig
Loggen Sie sich ein, um den Lagerbestand zu sehen |
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|
11386798
|
Thermo Scientific Alfa Aesar
013450.36 |
500 g |
111.00 CHF
500 Gramm |
Lager vorrätig
Loggen Sie sich ein, um den Lagerbestand zu sehen |
|||||
|
11306808
|
Thermo Scientific Alfa Aesar
013450.A4 |
2.5 kg |
405.00 CHF
2.50 Kilogramm |
Verfügbar ab: 16-06-2025
Loggen Sie sich ein, um den Lagerbestand zu sehen |
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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.
Maximaler Gehalt an Verunreinigungen: Unlösliche Stoffe 0.005 %, Trockenverlust 0.05 %, Cl 0.001 %, SO4 0.005 %, Ca 0.003 %, Fe 0.001 %, Na 0.02 %Chemical Identifiers
| 7778-50-9 | |
| 294.182 | |
| KMUONIBRACKNSN-UHFFFAOYSA-N | |
| 24502 | |
| Dikalium; Oxido-(Oxido(dioxo)chromio)oxy-dioxochrom |
| 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+] |
Specifications
| Potassium dichromate | |
| For ACS analysis | |
| Orange | |
| 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 |
| 398°C | |
| 7778-50-9 | |
| Kristallpulver | |
| 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 | |
| Dikalium; Oxido-(Oxido(dioxo)chromio)oxy-dioxochrom | |
| 24502 | |
| 294.18 | |
| Orange crystalline powder |
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
missing translation for 'dotInformation' : Gefahrenklasse:5,1, Verpackungsgruppe:II
missing translation for 'einecsNumber' : 231-906-6
missing translation for 'rtecsNumber' : Gehäuse HX7680000
missing translation for 'tsca' : Ja
Recommended Storage : Umgebungstemperaturen
RUO – Research Use Only
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Product Title
Kaliumdichromat, ACS, 99.0 % min., Thermo Scientific Chemicals