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474711

Sigma-Aldrich

Barium

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

Sinónimos:

Barium element

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About This Item

Fórmula empírica (notación de Hill):
Ba
Número de CAS:
7440-39-3
Peso molecular:
137.33
EC Number:
231-149-1
MDL number:
MFCD00134031
UNSPSC Code:
12141505
PubChem Substance ID:
24871038
NACRES:
NA.23

Quality Level

100

assay

99.99% trace metals basis

form

dendritic pieces

purified by

distillation

reaction suitability

reagent type: reductant

resistivity

50.0 μΩ-cm, 20°C

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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General description

Barium is a reactive, soft electropositive metal with a body-centered cubic crystal structure. It can be produced in a vacuum by reducing its oxide with aluminum. It has medium-specific weight and good electrical conductivity. It is widely used in alloying, removing unwanted gases from vacuum tubes, and as a reducing agent.

Application

Barium can be used as a precursor to synthesize Ba3Bi6.67Se13,Ba3Bi6PbSe13, and Ba3Bi6SnSe13.

It can be used as a dopant for Pb2+replacement in perovskite films. The addition of barium enhances the power conversion efficiency of organic-inorganic lead halide solar cells.
Critical for the synthesis of pure Ba21M2O5HX (M = Ge, SI, Ga, In, Tl) suboxide Zintl phases.3

For use with

Referencia del producto
Descripción
Precios

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_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

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Certificados de análisis (COA)

Lot/Batch Number
0000012688
MKCC8685
MKCC8689
MKCC6648
MKCB3818

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Liang, C.H., et al.
Nanotech. in Catalysis, 2, 543-543 (2004)
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Scientific reports, 10(1), 22203-22203 (2020-12-19)
This study reports the high-yield production of a novel 133/135La theranostic pair at a 22 MeV proton beam energy as an attractive alternative to the recently introduced 132/135La pair, demonstrating over an order of magnitude production increase of 133/135La (231 ± 8 MBq 133La
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
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The main hurdles to the widespread use of islet transplantation for the treatment of type 1 diabetes continue to be the insufficient number of appropriate donors and the need for immunosuppression. Microencapsulation has been proposed as a means to protect
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