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Merck

735787

Barium

beads, 0.5-2.0 mm particle size, 99% trace metals basis

Synonym(s):

Barium element

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5 G

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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:
12141505
PubChem Substance ID:
329765057
NACRES:
NA.23

Key Documents

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Quality Level

100

Assay

99% trace metals basis

form

beads

resistivity

50.0 μΩ-cm, 20°C

particle size

0.5-2.0 mm

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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This Item
441880474711413615
Barium beads, 0.5-2.0 mm particle size, 99% trace metals basis

Sigma-Aldrich

735787

Barium

Barium dendritic pieces, purified by distillation, 99.9% trace metals basis

Sigma-Aldrich

441880

Barium

Barium dendritic pieces, purified by distillation, 99.99% trace metals basis

Sigma-Aldrich

474711

Barium

Barium iodide AnhydroBeads™, −10 mesh, 99.995% trace metals basis

Sigma-Aldrich

413615

Barium iodide

form

beads

form

dendritic pieces

form

dendritic pieces

form

beads

assay

99% trace metals basis

assay

99.9% trace metals basis

assay

99.99% trace metals basis

assay

99.995% trace metals basis

mp

725 °C (lit.)

mp

725 °C (lit.)

mp

725 °C (lit.)

mp

740 °C (lit.)

bp

1640 °C (lit.)

bp

1640 °C (lit.)

bp

1640 °C (lit.)

bp

-

resistivity

50.0 μΩ-cm, 20°C

resistivity

50.0 μΩ-cm, 20°C

resistivity

50.0 μΩ-cm, 20°C

resistivity

-

density

3.6 g/mL at 25 °C (lit.)

density

3.6 g/mL at 25 °C (lit.)

density

3.6 g/mL at 25 °C (lit.)

density

5.15 g/mL at 25 °C (lit.)

Application

Critical for the synthesis of pure Ba21M2O5HX (M = Ge, SI, Ga, In, Tl) suboxide Zintl phases.3

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

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Certificates of Analysis (COA)

Lot/Batch Number
0000487561
0000487561
0000454550
0000454550
0000337656

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J W Hanrahan et al.
The Journal of general physiology, 87(3), 443-466 (1986-03-01)
K channels in the basolateral membrane of insect hindgut were studied using current fluctuation analysis and microelectrodes. Locust recta were mounted in Ussing-type chambers containing Cl-free saline and cyclic AMP (cAMP). A transepithelial K current was induced by raising serosal
C H Johnson et al.
Annals of emergency medicine, 20(10), 1138-1142 (1991-10-01)
Barium is a divalent alkaline earth metal used as the insoluble sulfate salt in contrast radiography and soluble acid salts in industry. Barium poisoning results from ingestion or inhalation of the acid salts; the most common poisoning occurs after ingestion
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
Christine Austin et al.
Nature, 498(7453), 216-219 (2013-05-24)
Early-life dietary transitions reflect fundamental aspects of primate evolution and are important determinants of health in contemporary human populations. Weaning is critical to developmental and reproductive rates; early weaning can have detrimental health effects but enables shorter inter-birth intervals, which
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
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