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Merck
CN

403334

Barium

pieces, 1 cm, 99% trace metals basis

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About This Item

Empirical Formula (Hill Notation):
Ba
CAS Number:
7440-39-3
Molecular Weight:
137.33
NACRES:
NA.22
PubChem Substance ID:
24865182
UNSPSC Code:
12352300
EC Number:
231-149-1
MDL number:
MFCD00134031

Key Documents

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Product Name

Barium, pieces, 1 cm, 99% trace metals basis

InChI key

DSAJWYNOEDNPEQ-UHFFFAOYSA-N

InChI

1S/Ba

SMILES string

[Ba]

assay

99% trace metals basis

form

pieces

reaction suitability

reagent type: reductant

resistivity

50.0 μΩ-cm, 20°C

impurities

0.5% strontium

particle size

1 cm

bp

1640 °C (lit.)

mp

725 °C (lit.)

density

3.6 g/mL at 25 °C (lit.)

Quality Level

100

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Application

Critical for the synthesis of pure Ba21M2O5HX (M = Ge, SI, Ga, In, Tl) suboxide Zintl phases.3
Promotes anchorage-independent growth and invasion of human HaCaT keratinocytes via c-SRC kinase activation

Reactant for synthesis of heterobimetallic alkaline earth complexes

Commonly used for medicinal purposes, particularly for visualization of the gastrointestinal tract

Reactant involved in:
  • Interactions with fused quartz
  • Aggregation of alginate-coated iron oxide nanoparticles

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Sol. 1 - Skin Corr. 1B - Water-react 1

Storage Class

4.3 - Hazardous materials which set free flammable gases upon contact with water

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
0000229544
0000223284
0000223284
0000229544
0000063775

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Thang, et al.,
PLoS ONE, 6 (2011)
D. P. Daniels, et al.,
Dalton Transactions (2011)
Alan S Rosman et al.
The American journal of medicine, 120(3), 203-210 (2007-03-14)
Published studies have reported a wide range of sensitivities and specificities for computed tomographic (CT) colonography for polyp detection, generating controversy regarding its diagnostic accuracy. A meta-analysis of published studies comparing the accuracies of CT colonography and colonoscopy for polyp
Kai Loon Chen et al.
Langmuir : the ACS journal of surfaces and colloids, 23(11), 5920-5928 (2007-05-02)
Early-stage aggregation kinetics studies of alginate-coated hematite nanoparticles in solutions containing alkaline-earth metal cations revealed enhanced aggregation rates in the presence of Ca2+, Sr2+, and Ba2+, but not with Mg2+. Transmission electron microscopy (TEM) imaging of the aggregates provided evidence
Patrick L Hayes et al.
The journal of physical chemistry. A, 112(4), 660-668 (2008-01-10)
Inorganic anions and cations are ubiquitous in environmental chemistry. Here, we use second harmonic generation to track the interaction of the environmentally important metal cations barium, strontium, and cadmium and the nitrate anion with fused quartz/water interfaces at pH 7.
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