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Sku SC44-0620_250_MG
US-Strem
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Product Information

Product Name
Hexaammineruthenium(III) chloride, 99%
Brand Name
US-Strem
Product Number
44-0620
CAS
14282-91-8
Certificate of Analysis (COA)​
COA not found

General Information

PubChem CID
159731
IUPAC Name
azane;ruthenium(3+);trichloride
InChI Key
GBDZMMXUOBAJMN-UHFFFAOYSA-K
SMILES
N.N.N.N.N.N.Cl-.Cl-.Cl-.Ru+3

Application

Product Introduction

Hexaammineruthenium(III) Chloride (CAS No. 14282-91-8), also known as Ruthenium Hexammine Trichloride or Ru(NH₃)₆Cl₃, is a classic ruthenium coordination complex widely used in electrochemistry, coordination chemistry, analytical chemistry, biosensor development, and materials science. As a stable outer-sphere redox probe, it exhibits rapid and reversible electron-transfer kinetics, making it one of the most widely used redox mediators for electrochemical characterization and sensor evaluation. It is also an important precursor for ruthenium coordination compounds and organometallic research.

Chemical Properties

Chemical Information

Property Value
Chemical Name Hexaammineruthenium(III) Chloride
Synonyms Ruthenium Hexammine Trichloride; RuHex; Ru(NH₃)₆Cl₃
CAS Number 14282-91-8
Molecular Formula Cl₃H₁₈N₆Ru
Molecular Weight 309.61 g/mol
Appearance Yellow crystalline powder
Solubility Highly soluble in water

Chemical Characteristics

Hexaammineruthenium(III) Chloride possesses several features that make it valuable in electrochemical and coordination chemistry research:

  • Stable Ru(III) coordination complex
  • Rapid and reversible electron-transfer behavior
  • Excellent water solubility
  • Good electrochemical stability
  • Well-defined redox potential
  • Suitable for aqueous electrochemical systems
  • Widely used as an electrochemical probe and reference compound

Key Research Applications

1.Electrochemical Research

Hexaammineruthenium(III) Chloride is one of the most commonly used outer-sphere redox probes for evaluating electrode performance and electron-transfer kinetics.

Typical applications include:

  • Cyclic voltammetry (CV)
  • Differential pulse voltammetry (DPV)
  • Electrochemical impedance spectroscopy (EIS)
  • Electrode surface characterization
  • Electron-transfer studies

2.Biosensors and Bioelectrochemistry

RuHex is widely employed as a redox indicator in biosensing platforms due to its strong electrostatic interaction with nucleic acids.

Typical applications include:

  • DNA biosensors
  • Aptamer-based sensors
  • Electrochemical immunoassays
  • Nucleic acid quantification
  • Signal amplification strategies

3.Coordination Chemistry

The compound serves as an important model complex for investigating the structure, bonding, and electron-transfer behavior of transition-metal coordination compounds.

Typical applications include:

  • Coordination complex synthesis
  • Ligand exchange studies
  • Electron-transfer mechanisms
  • Inorganic reaction kinetics
  • Ruthenium coordination chemistry

4.Analytical Chemistry

RuHex is frequently used as a reference reagent in electroanalytical methods and analytical method development.

Typical applications include:

  • Electrochemical calibration
  • Method validation
  • Analytical sensor development
  • Surface modification studies
  • Quantitative electroanalysis

5.Materials Science

Used in the development and evaluation of advanced functional materials.

Typical applications include:

  • Conductive nanomaterials
  • Carbon-based electrodes
  • Graphene and carbon nanotube research
  • Conductive polymer characterization
  • Functional interface engineering

Recommended Experimental Conditions

Parameter Recommended Conditions
Solvent Deionized water or aqueous buffer
Storage Temperature 2–8°C recommended
Storage Store in a tightly sealed container
Light Protection Recommended for long-term storage
Experimental Environment Suitable for aqueous electrochemical systems

Advantages

  • Excellent outer-sphere redox probe
  • Fast and reversible electron-transfer kinetics
  • High aqueous solubility
  • Stable ruthenium coordination complex
  • Widely accepted electrochemical standard
  • Suitable for biosensing and analytical chemistry
  • Ideal precursor for ruthenium coordination chemistry

FAQ

Frequently Asked Questions (FAQ)

 

What is Hexaammineruthenium(III) Chloride used for?

It is primarily used as a redox probe in electrochemical studies, as well as in coordination chemistry, biosensor development, and analytical chemistry.

 

Why is RuHex widely used in electrochemistry?

RuHex undergoes rapid, reversible outer-sphere electron transfer with well-defined electrochemical behavior, making it ideal for evaluating electrode performance and reaction kinetics.

 

Can this compound be used in DNA biosensors?

Yes. RuHex is widely employed as an electrochemical indicator for DNA hybridization assays, aptamer sensors, and nucleic acid quantification because it binds electrostatically to the phosphate backbone of nucleic acids.

 

Is Hexaammineruthenium(III) Chloride water soluble?

Yes. It is highly soluble in water, making it suitable for aqueous electrochemical and biological research systems.

 

Can it be used as a calibration standard?

Yes. It is frequently used as a reference redox compound for electrochemical instrument calibration, method validation, and analytical method development.

 

Is this compound suitable for coordination chemistry research?

Yes. It serves as a classic ruthenium coordination complex for studying ligand exchange, electron-transfer processes, and transition-metal chemistry.

 

How should this product be stored?

Store it in a tightly sealed container in a cool, dry place. Refrigerated storage (2–8°C) is recommended for prolonged storage.

 

Is this product intended for research use only?

Yes. This product is intended for laboratory research and development only and is not intended for pharmaceutical, food, or household applications.