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237094

Sigma-Aldrich

Barium

rod, diam. ~2 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
EC Number:
231-149-1
MDL number:
MFCD00134031
UNSPSC Code:
12352300
PubChem Substance ID:
24854216
NACRES:
NA.22

Assay

≥99% trace metals basis

form

rod

reaction suitability

reagent type: reductant

resistivity

50.0 μΩ-cm, 20°C

diam.

~2 cm

impurities

≤2% 2-ethylhexyl dihydrogenphosphate and tris(2-ethylhexyl) phosphate
0.5% strontium

bp

1640 °C (lit.)

mp

725 °C (lit.)

density

3.6 g/mL at 25 °C (lit.)

SMILES string

[Ba]

InChI

1S/Ba

InChI key

DSAJWYNOEDNPEQ-UHFFFAOYSA-N

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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

Signal Word

Danger

Hazard Statements

H228,H260,H301,H314

Hazard Classifications

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

Storage Class Code

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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D. P. Daniels, et al.,
Dalton Transactions (2011)
N. D. Thang, et al.,
PLoS ONE, 6 (2011)
André Deutschmann et al.
Molecular pharmacology, 83(2), 501-511 (2012-12-01)
Bisphenol A (BPA), a high volume production chemical compound attracts growing attention as a health-relevant xenobiotic in humans. It can directly bind to hormone receptors, enzymes, and ion channels to become biologically active. In this study we show that BPA
Haifeng Zheng et al.
American journal of physiology. Cell physiology, 306(7), C705-C713 (2014-01-31)
Interstitial cells of Cajal (ICC) generate slow waves in gastrointestinal (GI) muscles. Previous studies have suggested that slow wave generation and propagation depends on a voltage-dependent Ca(2+) entry mechanism with the signature of a T-type Ca(2+) conductance. We studied voltage-dependent
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
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