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Merck
CN

474711

Barium

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

Synonym(s):

Barium element

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About This Item

Empirical Formula (Hill Notation):
Ba
CAS Number:
Molecular Weight:
137.33
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12141505
EC Number:
231-149-1
MDL number:
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Quality Level

assay

99.99% trace metals basis

form

dendritic pieces

purified by

distillation

composition

Ba

reaction suitability

core: barium, 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

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


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signalword

Danger

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

Hazard Classifications

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

Regulatory Information

监管及禁止进口产品

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Liang, C.H., et al.
Nanotech. in Catalysis, 2, 543-543 (2004)
Bryce J B Nelson et al.
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
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



Global Trade Item Number

SKUGTIN
474711-25G04061832361383
474711-5G04061832361390