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278513

Sigma-Aldrich

Gadolinium(III) oxide

powder, 99.9% trace metals basis

Synonym(s):

Digadolinium trioxide, Gadolinia, Gadolinium oxide, Gadolinium trioxide

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About This Item

Linear Formula:
Gd2O3
CAS Number:
12064-62-9
Molecular Weight:
362.50
EC Number:
235-060-9
MDL number:
MFCD00011026
UNSPSC Code:
12352303
PubChem Substance ID:
24856820
NACRES:
NA.23

Assay

99.9% trace metals basis

form

powder

reaction suitability

reagent type: catalyst
core: gadolinium

mp

2330 °C (lit.)

density

7.407 g/mL at 20 °C (lit.)

SMILES string

O=[Gd]O[Gd]=O

InChI

1S/2Gd.3O

InChI key

RNYFGGMJZRTZKO-UHFFFAOYSA-N

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Related Categories

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H319

Precautionary Statements

P305 + P351 + P338

Hazard Classifications

Eye Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Magdiel Inggrid Setyawati et al.
Journal of biomedical materials research. Part A, 101(3), 633-640 (2012-08-29)
Engineered nanomaterials have become prevalent in our everyday life. While the popularity of using nanomaterials in consumer products continues to rise, increasing awareness of nanotoxicology has also fuelled efforts to accelerate our understanding of the ill effects that different nanomaterials
Taejong Paik et al.
ACS nano, 7(3), 2850-2859 (2013-02-26)
Here, we report the shape-controlled synthesis of tripodal and triangular gadolinium oxide (Gd2O3) nanoplates. In the presence of lithium ions, the shape of the nanocrystals is readily controlled by tailoring reaction parameters such as temperature and time. We observe that
A T M Anishur Rahman et al.
Contrast media & molecular imaging, 8(1), 92-95 (2012-10-31)
In this communication, we demonstrate that there is an optimum gadolinium oxide (Gd(2)O(3)) nanoparticle size of 2.3 nm; in the presence of Gd(2)O(3) particles smaller and larger than this critical size, the spin-lattice relaxation rate (T(1) = 1/r(1)) of water
Yasir Loai et al.
Molecular imaging, 11(2), 166-175 (2012-04-04)
Positive T₁ contrast using gadolinium (Gd) contrast agents can potentially improve detection of labeled cells on magnetic resonance imaging (MRI). Recently, gadolinium oxide (Gd₂O₃) nanoparticles have shown promise as a sensitive T₁ agent for cell labeling at clinical field strengths
Luc Faucher et al.
ACS applied materials & interfaces, 4(9), 4506-4515 (2012-07-28)
Ultrasmall paramagnetic Gd(2)O(3) nanoparticles have been developed as contrast agents for molecular and cellular preclinical MRI procedures. These small particles (mean diameter <5 nm) have the highest Gd density of all paramagnetic contrast agents. They generate strong positive contrast enhancement
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