474711
Barium
dendritic pieces, purified by distillation, 99.99% trace metals basis
Synonyme(s) :
Barium element
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A propos de cet article
Formule empirique (notation de Hill) :
Ba
Numéro CAS:
Poids moléculaire :
137.33
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12141505
EC Number:
231-149-1
MDL number:
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99.99% trace metals basis
form
dendritic pieces
purified by
distillation
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.
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
signalword
Danger
hcodes
Classe de stockage
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
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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
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