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Bichromate de potassium, ACS, 99,0 % min, Thermo Scientific Chemicals
Utilisation comme agent oxydant, dans la teinture, la peinture
40.70€ - 381.90€
Identifiants chimiques
| CAS | 7778-50-9 |
|---|---|
| Formule moléculaire | Cr2K2O7 |
| Poids moléculaire (g/mol) | 294.182 |
| Numéro MDL | MFCD00011367 |
| Clé InChI | KMUONIBRACKNSN-UHFFFAOYSA-N |
| Synonyme | potassium dichromate, potassium bichromate, kaliumdichromat, iopezite, dipotassium bichromate, dipotassium dichromate, potassium dichromate vi, dichromic acid dipotassium salt, dipotassium dichromium heptaoxide, bichromate of potash |
| CID PubChem | 24502 |
| ChEBI | CHEBI:53444 |
| Nom IUPAC | Dipotassium ; oxido-(oxido(dioxo)chromio)oxy-dioxochrome |
| SMILES | [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+] |
| Code produit | Marque | Quantité | Prix | Quantité et disponibilité | |||||
|---|---|---|---|---|---|---|---|---|---|
| Code produit | Marque | Quantité | Prix | Quantité et disponibilité | |||||
|
11396798
|
Thermo Scientific Alfa Aesar
013450.22 |
100 g |
40.70€
100g |
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|
11386798
|
Thermo Scientific Alfa Aesar
013450.36 |
500 g |
104.52€
500g |
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|
11306808
|
Thermo Scientific Alfa Aesar
013450.A4 |
2.5 kg |
381.90€
2.50kg |
Veuillez vous connecter pour pouvoir commander cet article. Besoin d'un compte web? Créer le vôtre dès maintenant! | |||||
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.
Taux maximal d’impuretés : Matière insoluble 0,005 %, perte au séchage 0,05 %, Cl 0,001 %, SO4 0,005 %, Ca 0,003 %, Fe 0,001 %, Na 0,02 %Identifiants chimiques
| 7778-50-9 | |
| 294.182 | |
| KMUONIBRACKNSN-UHFFFAOYSA-N | |
| 24502 | |
| Dipotassium ; oxido-(oxido(dioxo)chromio)oxy-dioxochrome |
| 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+] |
Spécification
| 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 | |
| Poudre cristalline | |
| 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-dioxochrome | |
| 24502 | |
| 294.18 | |
| Orange crystalline powder |
Sécurité et traitement
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' : Classe de risque :5,1 ; Groupe d’emballage :II
missing translation for 'einecsNumber' : 231-906-6
missing translation for 'rtecsNumber' : HX7680000
missing translation for 'tsca' : Oui
Recommended Storage : Température ambiante
RUO – Research Use Only