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931578

Sigma-Aldrich

Ruthenium(III) chloride hydrate

≥99.9% trace metals basis

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Synonym(s):
Ruthenium trichloride, Trichlororuthenium hydrate
Linear Formula:
RuCl3 · xH2O
CAS Number:
Molecular Weight:
207.43 (anhydrous basis)
MDL number:

Quality Level

assay

≥99.9% trace metals basis

form

powder

impurities

≤1000.0 ppm (trace metals analysis)

solubility

acetone: soluble ((lit.))
ethanol: soluble
water: soluble

density

3.11 g/cm3

SMILES string

O.Cl[Ru](Cl)Cl

InChI

1S/3ClH.H2O.Ru/h3*1H;1H2;/q;;;;+3/p-3

InChI key

BIXNGBXQRRXPLM-UHFFFAOYSA-K

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1 of 4

This Item
20622946377984050
vibrant-m

931578

Ruthenium(III) chloride hydrate

vibrant-m

206229

Ruthenium(III) chloride hydrate

vibrant-m

463779

Ruthenium(III) chloride hydrate

vibrant-m

84050

Ruthenium(III) chloride hydrate

form

powder

form

powder and chunks

form

powder and chunks

form

powder

solubility

acetone: soluble ((lit.)), water: soluble, ethanol: soluble

solubility

-

solubility

-

solubility

-

assay

≥99.9% trace metals basis

assay

-

assay

99.98% trace metals basis

assay

-

impurities

≤1000.0 ppm (trace metals analysis)

impurities

≤0.1% Insoluble matter (C=1%, 25% HCl)

impurities

≤250.0 ppm Trace Metal Analysis

impurities

-

density

3.11 g/cm3

density

-

density

-

density

-

General description

Ruthenium chloride hydrate is a dark brown or black solid often used as a powder. The hydrate is hygroscopic and is soluble in water, ethanol, acetone, and a wide range of polar organic solvents. The anhydrous form is insoluble.
Industrially, ruthenium trichloride hydrate is produced by dissolving ruthenium oxides in hydrochloric acid. The hydrated salt is obtained by recrystallization.

Application

Ruthenium chloride is most used as a precursor for the synthesis of ruthenium complexes. Our RuCl3·H2O with 99.9% trace metals purity is well-suited for applications in materials science. One common application of ruthenium trichloride hydrate is in the synthesis of ruthenium nanoparticles, which are used as catalysts or composited with other materials and used as co-catalysts for both oxygen and hydrogen evolution reactions. Researchers have used our ruthenium chloride hydrate to produce high-quality, catalytically active ruthenium nanoparticles and ruthenium oxide nanoparticles.
Another common application of ruthenium chloride hydrate is as a precursor for single-atom catalysts. For example, scientists have used ruthenium chloride hydrate for the synthesis of ruthenium single-atom-doped ZrO2 particles to catalyze nitrogen fixation and for the synthesis of ruthenium single-atom-doped MXenes to catalyze hydrogen evolution. A third common application of ruthenium chloride hydrate is in the synthesis of metal alloys, like PtRuIr, or PtRuFe, which are investigated for electrocatalysis, usually the oxidation of simple organics like methanol or formic acid.
For use in all these applications, also consider our higher-purity ruthenium chloride hydrate, 463779, with trace metals purity greater than 99.98%, which offers the best reproducibility and purity.

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Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible, corrosive hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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Nitrogen Fixation by Ru Single-Atom Electrocatalytic Reduction
Tao, H., Choi, C., et al.
Chem, 5, 204-214 (2019)
Synthesis and Activities of Rutile IrO2 and RuO2 Nanoparticles for Oxygen Evolution in Acid and Alkaline Solutions
Lee, Y., Suntivich, J., et al.
The Journal of Physical Chemistry Letters, 3, 399?404-399?404 (2012)
Tailoring the composition of ultrathin, ternary alloy PtRuFe nanowires for the methanol oxidation reaction and formic acid oxidation reaction
Scofield, M.E., et al.
Energy & Environmental Science, 8, 350-350 (2015)
Heteroatom-Mediated Interactions between Ruthenium Single Atoms and an MXene Support for Efficient Hydrogen Evolution
Ramalingam, V., et al.
Advanced Materials, 31, e1903841-e1903841 (2019)
High Performance PtRuIr Catalysts Supported on Carbon Nanotubes for the Anodic Oxidation of Methanol
Liao, S., Holmes, K.A., et al.
Journal of the American Chemical Society, 128, 3504-3505 (2006)

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