Rhodium | CAS No. 7440-16-6

Rhodium

Basic Information

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CAS Number

7440-16-6

Molecular Formula

Molecular Weight

102.91 g/mol

Chemical Classification

Basic Chemical Raw Materials Inorganic Chemicals Acids

Basic Physical Properties

Melting Point

1966 °C

Boiling Point

3727 °C

Density

12.41 g/cm3

SMILES

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[Rh]

InChI

InChI=1S/Rh

InChIKey

MHOVAHRLVXNVSD-UHFFFAOYSA-N

LogP

-0.0025

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

Safety Information

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GHS Hazard Pictograms

H228

Hazard Statement

H228 Flammable solid
Flammable solids

Hazard Class

Class 4.1 Class 4.1

Sensitiveness

Sensitive to air

Synonyms & References

English

Rhodium 5% on Carbon, 50%-70% Water
Rhodium on carbon extent of labeling: 5 wt. % loading
Epitope ID:131798
Rhodium, foil, 12mm disks, thickness 1.0mm, as rolled, 99.9%
CHEBI:33359
rhodium-on-carbon
Rhodium (5% on Alumina)
SY003717
FT-0618358
rhodium/alumina
Rhodium Internal Standard: Rh @ 10 microg/mL in 2% HCl
Rhodium, microfoil, disks, 25mm, thinness 0.1mum, specific density 124mug/cm2, permanent mylar 3.5mum support, 99.9%
Rhodium single crystal disc, 10mm (0.4in) dia., 1-2mm (0.04-0.08in) thick, (111) orientation, +/-0.5 degrees
Rhodium black
FT-0619649
Rhodium, foil, thickness 0.025 mm, 99.9% trace metals basis
Rhodium, wire reel, 0.2m, diameter 0.25mm, hard, 99.9%
Rhodium, microfoil, disks, 10mm, thinness 0.25mum, specific density 310mug/cm2, permanent mylar 3.5mum support, 99.99%
Rhodium Standard: Rh @ 1000 microg/mL in 20% HCl
Rhodium, wire reel, 0.1m, diameter 1.0mm, as drawn, 99.9%
Rhodium atomic absorption standard
Rhodium, wire reel, 0.2m, diameter 0.5mm, as drawn, 99.9%
RHODIUM ON ALUMINA, 5% RH
Rhodium, wire reel, 0.1m, diameter 0.12mm, as drawn, 99.9%
R024050000
Rhodium, foil, light tested, 25x25mm, thickness 0.05mm, as rolled, x-ray quality, 99.9%
Rhodium, foil, not light tested, 10x10mm, thickness 0.012mm, as rolled, 99.9%
Rhodium, wire reel, 0.05m, diameter 0.25mm, hard, 99.9%
Rhodium on alumina, extent of labeling: 5 wt. % loading, Degussa type G214 RA/D
Rhodium hydride
UNII-DMK383DSAC

MDL Number

MFCD00011201

Customs Code

7110310000

FAQ

What is Rhodium (CAS: 7440-16-6)?

Rhodium is a rare, precious metal with the chemical symbol Rh and atomic number 45. It is a member of the platinum group metals, known for its high reflectivity, corrosion resistance, and catalytic properties. Rhodium appears as a silver-gray solid and is primarily used in industrial and research applications due to its unique chemical behavior and high cost.

What are the main uses of Rhodium (CAS: 7440-16-6)?

Rhodium is widely used in catalytic converters for vehicles, as a catalyst in chemical reactions, and in jewelry manufacturing for its brilliant reflective properties. It also finds applications in glass coating, electronics, and research fields like hydrogen storage. Rhodium CAS 7440-16-6 is valued for its role in reducing harmful emissions and enhancing material performance in specialized industries.

Is Rhodium (CAS: 7440-16-6) safe?

Rhodium is generally considered non-toxic in its metallic form, but inhalation of fine particles or exposure to high concentrations may pose health risks. Safety standards emphasize proper handling with gloves and ventilation. While it is less toxic than other heavy metals, protective measures are recommended during industrial use to minimize potential hazards.

How should Rhodium (CAS: 7440-16-6) be stored?

Rhodium should be stored in a cool, dry place (15-25°C), away from moisture and air to prevent oxidation. Use sealed, airtight containers made of inert materials like glass or stainless steel. Protect from light exposure and store in a well-ventilated area. Proper storage ensures stability and prevents contamination or degradation of Rhodium CAS 7440-16-6.