If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf
G4022
Cloreto de ouro(III)
ACS reagent, ≥49.0% Au basis
Sinônimo(s):
Tetracloroaurato(III) de hidrogênio, Ácido tetracloroáurico(III)
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About This Item
Produtos recomendados
grau
ACS reagent
Nível de qualidade
Formulário
powder, crystals or chunks
adequação da reação
reagent type: catalyst
core: gold
concentração
≥49.0% Au
Impurezas
≤0.1% Insoluble in ether
traços de cátion
alkalies and other metals (as sulfates): ≤0.2%
temperatura de armazenamento
2-8°C
cadeia de caracteres SMILES
Cl[H].[H]O[H].[H]O[H].[H]O[H].Cl[Au](Cl)Cl
InChI
1S/Au.4ClH.3H2O/h;4*1H;3*1H2/q+3;;;;;;;/p-3
chave InChI
XYYVDQWGDNRQDA-UHFFFAOYSA-K
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Aplicação
Ele também pode ser usado como catalisador nos seguintes processos:
- O HAuCl4 3H2O inPEG 400 é usado para sintetizar derivados de espirocromeno por meio de uma reação de três componentes em um único pote de isatinas/acenaftoquinona, compostos de metileno ativo e 1,3-dicetonas cíclicas/4-hidroxicumarina.[3]
- O sistema catalítico Au/CeO2 é usado na oxidação quimiosseletiva de álcoois aromáticos/alifáticos em compostos carbonílicos correspondentes.[4]
- Usado na síntese de alilnaftalenos por abertura de anel de 1,4-epoxi-1,4-diidronaftalenos com aliltrimetilsilano.[5]
Palavra indicadora
Danger
Frases de perigo
Declarações de precaução
Classificações de perigo
Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B - STOT RE 2 Oral
Órgãos-alvo
Kidney
Código de classe de armazenamento
8B - Non-combustible corrosive hazardous materials
Classe de risco de água (WGK)
WGK 3
Ponto de fulgor (°F)
Not applicable
Ponto de fulgor (°C)
Not applicable
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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What is the density of the gold chloride trihydrate G4022?
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This product may have a physical form ranging from powder to crystals or chunks. The density is not determined. The bulk density of solid materials is highly variable and depends not only on batch variation but also on differences in handling and transportation.
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What is the shelf life of gold chloride G4022 in solution?
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The recommended storage temperature for a powder product may not be the same as that for the reconstituted solution. However, for Gold Chloride, there are gold chloride solutions available with a recommended storage temperature of 2-8°C. Therefore, storing the solution at 2-8°C is advisable. Generally, the stability of the solution should be around 18 months or potentially longer. It's important to note that this may not always apply to other products.
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What is the particle size of this product?
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The particle size is not determined for this product.
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