All Photos(2)
About This Item
Empirical Formula (Hill Notation):
Rh
CAS Number:
Molecular Weight:
102.91
EC Number:
MDL number:
UNSPSC Code:
12141738
PubChem Substance ID:
NACRES:
NA.23
Recommended Products
Assay
99.95% trace metals basis
form
powder
resistivity
4.33 μΩ-cm, 20°C
bp
3727 °C (lit.)
mp
1966 °C (lit.)
density
12.41 g/cm3 (lit.)
SMILES string
[Rh]
InChI
1S/Rh
InChI key
MHOVAHRLVXNVSD-UHFFFAOYSA-N
Looking for similar products? Visit Product Comparison Guide
General description
Rhodium is one of the rarest metals from the platinum group, found in very small quantities in the earth′s crust (0.2 parts per billion). Rhodium’s chemical properties are related to its unusual ground state valence electron configuration in which it has only one electron in its outermost s orbital. This electron configuration has important implications for its catalytic ability, which has made rhodium useful in catalytic converters for automobiles. At the same time, metallic rhodium is a noble metal, meaning it has outstanding resistance to oxidation.
The powder form of rhodium is a silvery-grey and is used not just in the auto industry, but also in other areas like chemical synthesis and powder metallurgy. Rhodium is harder and melts at higher temperatures than both platinum and palladium, which makes it’s a useful hardening element in alloys. Additionally, it is popular for coating jewelry and other items because it gives a shiny, protective layer that does not easily wear away.
The powder form of rhodium is a silvery-grey and is used not just in the auto industry, but also in other areas like chemical synthesis and powder metallurgy. Rhodium is harder and melts at higher temperatures than both platinum and palladium, which makes it’s a useful hardening element in alloys. Additionally, it is popular for coating jewelry and other items because it gives a shiny, protective layer that does not easily wear away.
Application
Rhodium can be used in the following applications:
- Rh supported on activated carbon (Rh/C) can be used as an efficient oxygen reduction reaction catalyst for the fabrication of microbial fuel cells.
- Used as a catalyst in the hydrosilylation of aromatic nitriles to N, N-disilylamines.
- Used to prepare Rhodium-Iridium alloy.
Storage Class Code
4.1B - Flammable solid hazardous materials
WGK
nwg
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’.
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.
Customers Also Viewed
Simon Duttwyler et al.
Science (New York, N.Y.), 339(6120), 678-682 (2013-02-09)
Piperidines are prevalent in natural products and pharmaceutical agents and are important synthetic targets for drug discovery and development. We report on a methodology that provides highly substituted piperidine derivatives with regiochemistry selectively tunable by varying the strength of acid
Stepan Chuprakov et al.
Journal of the American Chemical Society, 135(12), 4652-4655 (2013-03-13)
Readily available 1-mesyl-1,2,3-triazoles are efficiently converted into a variety of imidazolones and thiazoles by Rh(II)-catalyzed denitrogenative reactions with isocyanates and isothiocyanates, respectively. The proposed triazole-diazoimine equilibrium results in the formation of highly reactive azavinyl metal-carbenes, which react with heterocumulenes causing
Vutukuri Prakash Reddy et al.
Organic letters, 15(6), 1290-1293 (2013-02-28)
A straightforward and efficient method for the rhodium-catalyzed intermolecular oxidative cross-coupling of arenes and heteroarenes with thio- and selenophene derivatives (chalcogenophenes) via double C-H bond cleavage has been developed by using Cu(OAc)2/AgSbF6 as an oxidant. The reaction is applicable to
Gavin Chit Tsui et al.
Organic letters, 15(5), 1064-1067 (2013-02-12)
A method for synthesizing chiral oxazolidinone scaffolds from readily available oxabicyclic alkenes is described. The reaction utilizes a domino sequence of Rh(I)-catalyzed asymmetric ring-opening (ARO) with sodium cyanate as a novel nucleophile followed by intramolecular cyclization to generate oxazolidinone products
P Andrew Evans et al.
Organic letters, 15(8), 1798-1801 (2013-04-02)
A concise and highly convergent three-step total synthesis of the lactarane natural product, pyrovellerolactone, is described. The key step involves a regio- and diastereoselective rhodium-catalyzed [(3 + 2) + 2] carbocyclization of an alkenylidenecyclopropane with a 4-hydroxybut-2-ynoate followed by an
Articles
Permanent magnets are an essential technology for energy conversion. Motors and generators are used to convert energy between electrical and mechanical forms.
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
Contact Technical Service