Gadolinium | CAS No. 7440-54-2

Gadolinium

Basic Information

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CAS Number

7440-54-2

Molecular Formula

Molecular Weight

157.25 g/mol

Chemical Classification

Basic Chemical Raw Materials Inorganic Chemicals Acids

Basic Physical Properties

Melting Point

1313 °C

Boiling Point

3273 °C

Density

7.886 g/mL at 25 °C

Water Solubility

Soluble in magnesium and diluted acid. Insoluble in water.

Flash Point

3266°C

SMILES

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[Gd]

InChI

InChI=1S/Gd

InChIKey

UIWYJDYFSGRHKR-UHFFFAOYSA-N

LogP

0.0

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

Safety Information

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GHS Hazard Pictograms

H261

Hazard Statement

H261 In contact with water releases flammable gas
Substances And Mixtures Which, In Contact With Water, Emit Flammable Gases

Hazard Class

Class 8 Class 8

Stability

Stable. Powder is highly flammable. Incompatible with strong oxiziding agents, halogens, acids. Powder may react with water or moisture.

Sensitiveness

Air & Moisture Sensitive

Synonyms & References

English

Gadolinium pieces, 20mm (0.79in) & down
Gadolinium, powder, 500 max. part. size (micron), weight 20 g, purity 99.9%
Gadolinium, foil, thickness 0.005 mm, size 25 x 25 mm, purity 99%
GADOLINIUM [WHO-DD]
Gadolinium, foil, thickness 0.25 mm, size 100 x 100 mm, purity 99%
Gadolinium foil, 0.62mm (0.024in) thick
UIWYJDYFSGRHKR-UHFFFAOYSA-N
MFCD00011022
Gadolinium
Q1832
Gadolinium, chips
GADOLINIUM [MI]
DB12091
GD3
Gadolinium foil, 3N
gadolinium(IV) cation
EINECS 231-162-2
Gadolinium, foil, thickness 0.025 mm, size 50 x 50 mm, purity 99%
HSD7537000
Gadolinium foil, 63mm x 10mm x 0.025mm
Gadolinium powder, 3N
Gadolinium, foil, thickness 0.5 mm, size 25 x 25 mm, purity 99%
Gadolinium, lump, 25 mm max. lump size, weight 100 g, purity 99.9%
Gadolinium foil, 0.1mm (0.004in) thick
Gadolinium ingot/button, ca. 50.8mm (2.0in) dia
Gd(4+)
CHEBI:37294
Gadolinium, foil, thickness 0.025 mm, size 25 x 25 mm, purity 99%
Gadolinium, foil, thickness 0.1 mm, size 25 x 25 mm, purity 99%
Gadolinium, wire, 1.0 mm diameter, length 25 mm, purity 99.9%
UNII-AU0V1LM3JT

MDL Number

MFCD24387072

FAQ

What regulatory guidelines apply to Gadolinium (CAS: 7440-54-2)?

Gadolinium (CAS: 7440-54-2) is subject to regulatory guidelines under the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), REACH regulations in the European Union, and FDA/EPA requirements for safe handling and use in the United States. Specific safety data sheets (SDS) are required for transportation and workplace safety.

Are there alternatives to Gadolinium (CAS: 7440-54-2) in synthesis?

There are alternative rare earth elements and non-rare earth materials that can be used as substitutes in synthesis, such as dysprosium, neodymium, iron, or cobalt. These alternatives are chosen based on their specific properties and the application requirements.

What is the market or research trend for Gadolinium (CAS: 7440-54-2)?

The market for Gadolinium (CAS: 7440-54-2) is driven by its use in MRI contrast agents and electronics, with increasing research in nuclear magnetic resonance (NMR) spectroscopy and catalysis. Recent trends indicate growing demand in medical imaging and renewable energy applications.

How should waste containing Gadolinium (CAS: 7440-54-2) be handled?

Waste containing Gadolinium (CAS: 7440-54-2) should be collected in appropriate containers and disposed of through professional waste disposal services. Incineration, chemical treatment, and landfilling are methods used, with environmental protection measures ensuring minimal impact on the environment.