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520772

Sigma-Aldrich

Rhodium(III) chloride hydrate

crystalline, ≥99.9% trace metals basis

Synonym(s):

Rhodium trichloride hydrate

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About This Item

Linear Formula:
RhCl3 · xH2O
CAS Number:
Molecular Weight:
209.26 (anhydrous basis)
EC Number:
MDL number:
UNSPSC Code:
12161600
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥99.9% trace metals basis

form

crystalline

composition

Rh, 38-43.5%

reaction suitability

core: rhodium
reagent type: catalyst

mp

100 °C (dec.) (lit.)

SMILES string

O.Cl[Rh](Cl)Cl

InChI

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

InChI key

HSSMNYDDDSNUKH-UHFFFAOYSA-K

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Application

Rhodium(III) chloride hydrate (RhCl3. xH2O) can be used as a metal precursor in the synthesis of:
  • Rhodium-cobalt (Rh-Co) (a bimetallic catalyst) supported on silica for Fischer−Tropsch (FT) synthesis.
  • Rhodium (III) catalyst, N-2-(2,3,4,5 tetramethylcyclopentadienyl)benzyl-(l)-norephedrine rhodium(III) chloride for asymmetric ketone reduction.
  • Rh@CTF (covalent triazine frameworks) catalyst for the hydroformylation of 1-octene.

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Met. Corr. 1 - Muta. 2

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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A new class of Rh (III) catalyst containing an aminoalcohol tethered to a tetramethylcyclopentadienyl group for asymmetric transfer hydrogenation of ketones
Cross DJ, et al.
Tetrahedron Letters, 45(4), 843-846 (2004)
N-containing covalent organic frameworks as supports for rhodium as transition-metal catalysts in hydroformylation reactions
Pilaski M, et al.
Microporous and Mesoporous Materials : The Official Journal of the International Zeolite Association, 227(4), 219-227 (2016)
Silica-supported rhodium-cobalt catalysts for Fischer-Tropsch synthesis
Yan Z, et al.
Catalysis Today, 160(1), 39-43 (2011)
Adam J Biacchi et al.
ACS nano, 9(2), 1707-1720 (2015-01-30)
The shapes of noble metal nanoparticles directly impact their properties and applications, including in catalysis and plasmonics, and it is therefore important to understand how multiple distinct morphologies can be controllably synthesized. Solution routes offer powerful capabilities for shape-controlled nanoparticle

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