CAS 7440-39-3
:Barium
Description:
Barium is a chemical element with the symbol Ba and atomic number 56. It is a soft, silvery-white alkaline earth metal that is highly reactive, particularly with water and air, forming barium hydroxide and barium oxide, respectively. Barium is typically found in nature in the form of barium sulfate and barium carbonate, as it does not occur in its elemental form due to its reactivity. It has a relatively low melting point and boiling point compared to many other metals. Barium compounds are often used in various applications, including in the production of glass, ceramics, and as a contrast agent in medical imaging for gastrointestinal studies. However, barium and its soluble compounds can be toxic if ingested or inhaled, leading to potential health risks. Safety precautions are essential when handling barium to avoid exposure. Overall, barium is an important element in both industrial and medical fields, but its reactivity and toxicity require careful management.
Formula:Ba
InChI:InChI=1S/Ba
InChI key:InChIKey=DSAJWYNOEDNPEQ-UHFFFAOYSA-N
SMILES:[Ba]
Synonyms:- Bario
- Barium Metal
- Barium and soluble compounds
- Barium element
- Baryum
- Barium
- MeSH ID: D001464
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Barium pieces, 2.5cm (1in) & down, 99.2% (metals basis), Sr ∣<0.8%
CAS:This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo SciFormula:BaPurity:0.8%Molecular weight:137.33Barium crystalline dendritic solid, 99.9% (metals basis)
CAS:This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo SciFormula:BaPurity:99.9%Color and Shape:Silver to gold, PiecesMolecular weight:137.33Barium rod, 22mm (0.9in) dia, 99+% (metals basis), Sr ∣<0.8%
CAS:Used as getter, in cathode ray tubes, thermionic emitter tubes and sodium vapor lampsFormula:BaPurity:0.8%Molecular weight:137.33Barium, rod 22mm diameter
CAS:Barium, rod 22mm diameterFormula:BaPurity:99.5%Color and Shape:Grey SolidMolecular weight:137.327Barium Rod 22 mm diameter, under argon, 0.8% Sr, 99.3%
CAS:Formula:BaPurity:≥ 99.3%Color and Shape:White to grey or dark grey solidMolecular weight:137.33Barium (Ba) standard solution in Water
CAS:Formula:BaColor and Shape:Other SolidMolecular weight:137.33Barium pieces, dendritic (99.9%)
CAS:Barium pieces, dendritic (99.9%)
Formula:BaPurity:(99.9%)Color and Shape:ampouled under argonMolecular weight:137.34Barium pieces (99.7%, Sr-<1.0%)
CAS:Barium pieces (99.7%, Sr-<1.0%)
Formula:BaPurity:(99.7%, Sr<1.0%)Color and Shape:25 mm and down (packed in mineral oil)Molecular weight:137.34
