237094

Barium

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

• Empirical Formula (Hill Notation): Ba
• CAS Number: 7440-39-3
• Molecular Weight: 137.33
• EC Number: 231-149-1
• MDL number: MFCD00134031
• UNSPSC Code: 12352300
• PubChem Substance ID: 24854216
• NACRES: NA.22

Properties

• Assay: ≥99% trace metals basis
• form: rod
• reaction suitability: reagent type: reductant
• resistivity: 50.0 μΩ-cm, 20°C
• diam.: ~2 cm
• impurities: ≤2% 2-ethylhexyl dihydrogenphosphate and tris(2-ethylhexyl) phosphate; 0.5% strontium
• 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

Description

Application

Critical for the synthesis of pure Ba₂₁M₂O₅H_X (M = Ge, SI, Ga, In, Tl) suboxide Zintl phases.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

Safety Information

• Pictograms: GHS02,GHS06,GHS05
• Signal Word: Danger
• Hazard Statements: H228,H260,H301,H314
• Precautionary Statements: P210 - P231 + P232 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Sol. 1 - Skin Corr. 1B - Water-react 1
• Storage Class Code: 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
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves