Barium oxide, 99.5% (metals basis excluding Sr), Sr <500ppm

Description

CAS: 1304-28-5 | BaO | 153.33 g/mol

Barium oxide is used in cathode ray tubes, crown glass, and catalysts. It is used for the adsorption NO and NO₂. It also plays an important role for NO₂ storage and reduction. It acts as an efficient ethoxylation catalyst.

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 Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 1304-28-5
• Molecular Formula: BaO
• Molecular Weight (g/mol): 153.33
• MDL Number: MFCD00003453
• InChI Key: QVQLCTNNEUAWMS-UHFFFAOYSA-N
• Synonym: barium oxide, baryta, barium monoxide, calcined baryta, barium protoxide, oxyde de baryum french, barium oxide, obtained by calcining witherite, oxyde de baryum
• PubChem CID: 62392
• IUPAC Name: oxobarium
• SMILES: O=[Ba]

• Melting Point: 1923°C
• Physical Form: Powder
• Quantity: 25 g
• UN Number: UN1884
• Merck Index: 14,986
• Solubility Information: Sparingly soluble in water. Soluble in ethanol,dilute mineral acids and alkali.
• Formula Weight: 153.33
• Percent Purity: 99.5%
• Refractive Index: 1.98
• Density: 5.7 g/mL
• Assay: (metals basis excluding Sr), Sr <500ppm
• Chemical Name or Material: Barium oxide

Safety and Handling

Hazard Category	H301-H314-H332-H335
Hazard Statement	GHS H Statement H302-H332 Harmful if swallowed. Harmful if inhaled.
Precautionary Statement	P260-P264b-P270-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P501c
DOTInformation	Transport Hazard Class: 6.1; Packing Group: III; Proper Shipping Name: BARIUM OXIDE
EINECSNumber	215-127-9
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only