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Kaliumdichromat, ACS, 99.0 % min., Thermo Scientific Chemicals
Zur Verwendung als Oxidationsmittel, in Färbemitteln, beim Lackieren
40.70 € - 381.90 €
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+] |
Produktcode | Marke | Menge | Preis | Menge & Verfügbarkeit | |||||
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Produktcode | Marke | Menge | Preis | Menge & Verfügbarkeit | |||||
11396798
|
Thermo Scientific Alfa Aesar
013450.22 |
100 g |
40.70 €
100 Gramm |
Bitte melden Sie sich an, um diesen Artikel zu kaufen. Sie benötigen ein Web-Konto? Registrieren Sie sich noch heute! | |||||
11386798
|
Thermo Scientific Alfa Aesar
013450.36 |
500 g |
104.52 €
500 Gramm |
Bitte melden Sie sich an, um diesen Artikel zu kaufen. Sie benötigen ein Web-Konto? Registrieren Sie sich noch heute! | |||||
11306808
|
Thermo Scientific Alfa Aesar
013450.A4 |
2.5 kg |
381.90 €
2.50 Kilogramm |
Bitte melden Sie sich an, um diesen Artikel zu kaufen. Sie benötigen ein Web-Konto? Registrieren Sie sich noch heute! | |||||
Beschreibung
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 %Chemische Identifikatoren
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+] |
Spezifikation
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 |
Sicherheit und Handhabung
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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