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Gold(III) chloride trihydrate

Cat No.:V68684 Purity: ≥98%
Gold(III) chloride trihydrate is a reducing agent.
Gold(III) chloride trihydrate
Gold(III) chloride trihydrate Chemical Structure CAS No.: 16961-25-4
Product category: Biochemical Assay Reagents
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
500mg
1g
Other Sizes

Other Forms of Gold(III) chloride trihydrate:

  • Tetrachloroauric acid
Official Supplier of:
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Top Publications Citing lnvivochem Products
Product Description
Gold(III) chloride trihydrate is a reducing agent. Gold(III) chloride trihydrate may be utilized in the chemical synthesis of gold nanoparticles (NPs).
Gold(III) chloride trihydrate (CAS 16961-25-4) is an inorganic gold compound with the molecular formula AuCl₃·3H₂O. It is a biochemical reagent that can be used as a biological material or organic compound for life science related research. It is a precursor for the synthesis of gold nanoparticles and other gold compounds.
Biological Activity I Assay Protocols (From Reference)
Targets
Gold(III) chloride trihydrate does not have a defined pharmacological target. It is a chemical reagent used as a precursor for gold nanoparticles and other gold compounds. Its mechanism of action is chemical: the Au(III) center can be reduced to Au(0) to form gold nanoparticles, or it can participate in various chemical reactions as a Lewis acid catalyst.
ln Vitro
In vitro, gold(III) chloride trihydrate is used as a precursor for the synthesis of gold nanoparticles and other gold compounds. Gold nanoparticles have applications in biomedical research, including drug delivery, imaging, and biosensing. The compound is also used as a catalyst in organic synthesis.
ln Vivo
In vivo data for gold(III) chloride trihydrate as a therapeutic agent are not available, as the compound is a precursor used for synthesis. Gold nanoparticles prepared from this compound have been studied in vivo for various biomedical applications, but the precursor itself is not administered.
Enzyme Assay
For in vitro synthesis of gold nanoparticles, gold(III) chloride trihydrate is used as a gold precursor. Standard protocols involve dissolving the compound in water and reducing it with a reducing agent (e.g., sodium citrate, NaBH₄) in the presence of a stabilizer. The resulting gold nanoparticles are characterized by UV-Vis spectroscopy, TEM, and DLS.
Cell Assay
For in vitro cell-based experiments, gold(III) chloride trihydrate is not typically used directly in cell culture. It is a precursor used for the synthesis of gold nanoparticles or other gold compounds that are subsequently tested in cell-based assays.
Animal Protocol
In vivo animal studies using gold(III) chloride trihydrate are conducted on the gold nanoparticles or compounds synthesized from it. For biomedical applications, gold nanoparticles are administered to rodents via intravenous injection, and their biodistribution, toxicity, and therapeutic efficacy are assessed.
ADME/Pharmacokinetics
Pharmacokinetic properties of gold(III) chloride trihydrate are not available, as the compound is not a drug and is not administered to living organisms. The compound is a solid and should be stored under appropriate conditions.
Toxicity/Toxicokinetics
Gold(III) chloride trihydrate is a research chemical and should be handled with appropriate laboratory safety precautions. As a gold compound, it may cause skin and eye irritation. The compound is for research use only and not for human therapeutic or diagnostic applications.
References

[1]. Hardness and Elastic Modulus on Six-Fold Symmetry Gold Nanoparticles. Materials (Basel). 2013;6(1):198-205. Published 2013 Jan 14.

[2]. Gold (III) chloride (HAuCl4• 3H2O) in PEG: A new and efficient catalytic system for the synthesis of functionalized spirochromenes. Applied Catalysis A: General, 2012, 425: 35-43.

Additional Infomation
Gold(III) chloride trihydrate (CAS 16961-25-4) is primarily a research-grade chemical precursor, not an FDA-approved pharmaceutical drug. Its primary application is as a precursor for the synthesis of gold nanoparticles and other gold compounds for biomedical and catalytic research.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
HAUCL4.3H2O
Molecular Weight
393.83
Exact Mass
391.881
CAS #
16961-25-4
Related CAS #
Tetrachloroauric acid; 16903-35-8
Appearance
Yellow to orange solid powder
LogP
2.675
SMILES
[H+].[Cl-][Au+3]([Cl-])([Cl-])[Cl-].O
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Note: Please store this product in a sealed and protected environment, avoid exposure to moisture.
Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO: 100 mg/mL (253.92 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 5 mg/mL (12.70 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween-80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), Clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of DMSO stock solution (50.0 mg/mL) to 400 μL of PEG300 and mix well; then add 50 μL of Tween-80 and mix well; finally add 450 μL of physiological saline and adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 5 mg/mL (12.70 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), Clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of DMSO stock solution (50.0 mg/mL) to 900 μL of 20% SBE-β-CD saline and mix well.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.5392 mL 12.6958 mL 25.3917 mL
5 mM 0.5078 mL 2.5392 mL 5.0783 mL
10 mM 0.2539 mL 1.2696 mL 2.5392 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

  • Calculate the Mass of a compound required to prepare a solution of known volume and concentration
  • Calculate the Volume of solution required to dissolve a compound of known mass to a desired concentration
  • Calculate the Concentration of a solution resulting from a known mass of compound in a specific volume
An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
  • To calculate molar mass of a chemical compound, please enter the chemical/molecular formula and click the “Calculate’ button.
Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
  • Click the “Calculate” button
  • The answer appears in the Volume (to add to vial) box
In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration: mg/mL;

Method for preparing DMSO stock solution: mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation::Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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