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Sigma-Aldrich

Rhodium(III) chloride hydrate

Rh 38-40 %

Synonym(s):

Rhodium trichloride hydrate

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About This Item

Linear Formula:
RhCl3 · xH2O
CAS Number:
20765-98-4
Molecular Weight:
209.26 (anhydrous basis)
EC Number:
233-165-4
MDL number:
MFCD00149839
UNSPSC Code:
12161600
PubChem Substance ID:
24852390
NACRES:
NA.22

form

powder or crystals

Quality Level

200

composition

Rh, 38-40%

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

Catalyst for conjugate reduction of cinnamaldehydes followed by cross-coupling with arylboronic acids.
Catalyst for the direct conversion of methane to acetic acid.
Catalyst for the isomerization of alkenes, the reduction of aromatic rings, the oxidation ofalkenes, the hydration of acetylene, the hydrosilylation of α,β-unsaturated esters to form dimethylketene trimethylsilyl acetals.

Signal Word

Danger

Hazard Statements

H290,H302,H318,H341,H410

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Chemical Communications (Cambridge, England), 1192-1192 (2004)
Sen, A. et al.
Nature, 368, 613-613 (1994)
See Wee Chee et al.
Nature communications, 11(1), 2133-2133 (2020-05-03)
The dynamical structure of a catalyst determines the availability of active sites on its surface. However, how nanoparticle (NP) catalysts re-structure under reaction conditions and how these changes associate with catalytic activity remains poorly understood. Using operando transmission electron microscopy
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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