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254169 Aldrich

Gold(III) chloride hydrate

99.999% trace metals basis

Synonym: Auric chloride, Chloroauric acid, Hydrogen tetrachloroaurate(III) hydrate, Tetrachloroauric(III) acid

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Properties

Related Categories Au, Catalysis and Inorganic Chemistry, Chemical Synthesis, Essential Chemicals, Gold,
InChI Key   OVJUDSKPNIBLOO-UHFFFAOYSA-K
assay   99.999% trace metals basis
form   crystals and lumps
composition   Degree of hydration, ~3
density   3.9 g/mL at 25 °C

Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Packaging

5 g in glass bottle

500 mg in glass insert

Application

It is used in the preparation of stable nanosized and underivatized colloidal gold particles in solution.

General description

The structure of gold chloride is monoclinic in nature. It sublimes at elevated temperatures.

Price and Availability

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 3260 8 / PGIII
WGK Germany 
3

Documents

Certificate of Analysis

Certificate of Origin

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option: http://www.sigmaaldrich.com/catalog/AdvancedSearchPage.do
How can I determine the number of hydrates present in Product 254169, Gold (III) chloride hydrate?
To determine the number of hydrates, you can use the following formula:   % of the metal = [(MW of metal) (# of metal atoms)] / [(MW of anhydrous product) + (x * 18g/mol)]Solving for x: x = [[(MW of metal)(#metal atoms)] - [(%of metal in product)(MW of anhydrous product)]] / [(% of metal in product) (18 g/mol)] 
What is n Product 254169, Gold (III) chloride hydrate soluble in?
This product is soluble in water, ethanol, and ether.  Unfortunately we do not have any recorded concentrations.
What is the melting point of n Product 254169, Gold (III) chloride hydrate?
We have never determined the melting point, however we do have a note indicating that this compound will decompose when melted.  Also the 13th Edition of the Merck Index states that this compound will decompose on strong heating to form chlorine gas, hydrochloric acid gas, and metallic gold.
What is the reported purity of Product 254169, Gold (III) chloride hydrate based on, chemical or metal purity?
The purity (99.999%) is not the chemical purity, but rather the purity based on trace metal content.  In the case of 99.999% a maximum of 20ppm total metallic impurities would be allowed.
How do I find price and availability?
There are several ways to find pricing and availability for our products.  Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers. 
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS. To access the shipping information for this material, use the link on the product detail page for the product, or search here. 
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
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Protocols & Articles
Peer-Reviewed Papers
15

References

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