237094

Barium

rod, diam. ~2 cm, ≥99% trace metals basis

• Empirische Formel (Hill-System): Ba
• CAS-Nummer: 7440-39-3
• Molekulargewicht: 137.33
• EG-Nummer: 231-149-1
• MDL-Nummer: MFCD00134031
• UNSPSC-Code: 12352300
• PubChem Substanz-ID: 24854216
• NACRES: NA.22

Eigenschaften

• Qualitätsniveau: 100
• Assay: ≥99% trace metals basis
• Form: rod
• Eignung der Reaktion: reagent type: reductant
• Widerstandsfähigkeit: 50.0 μΩ-cm, 20°C
• Durchmesser: ~2 cm
• Verunreinigungen: ≤2% 2-ethylhexyl dihydrogenphosphate and tris(2-ethylhexyl) phosphate; 0.5% strontium
• bp: 1640 °C (lit.)
• mp (Schmelzpunkt): 725 °C (lit.)
• Dichte: 3.6 g/mL at 25 °C (lit.)
• SMILES String: [Ba]
• InChI: 1S/Ba
• InChIKey: DSAJWYNOEDNPEQ-UHFFFAOYSA-N

Beschreibung

Anwendung

Kritisch für die Synthese von reinen Ba₂₁M₂O₅H_X (M = Ge, SI, Ga, In, Tl) Suboxid Zintl-Phasen.³

Promotes anchorage-independent growth and invasion of human HaCaT keratinocytes via c-SRC kinase activation

Reactant for synthesis of heterobimetallic alkaline earth complexes

Commonly used for medicinal purposes, particularly for visualization of the gastrointestinal tract

Reactant involved in:

• Interactions with fused quartz
• Aggregation of alginate-coated iron oxide nanoparticles

Sicherheitshinweise

• Piktogramme: GHS02,GHS06,GHS05
• Signalwort: Danger
• H-Sätze: H228,H260,H301,H314
• P-Sätze: P210 - P231 + P232 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Gefahreneinstufungen: Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Sol. 1 - Skin Corr. 1B - Water-react 1
• Lagerklassenschlüssel: 4.3 - Hazardous materials which set free flammable gases upon contact with water
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: Eyeshields, Gloves, type P3 (EN 143) respirator cartridges