Barium oxide, 99.5%

Name: Barium oxide, 99.5%
Brand: Vaqora Chemicals
SKU: VQ-014303

About Barium oxide, 99.5%

Vaqora Chemicals supplies Barium oxide, an alkaline earth compound registered under CAS number 1304-28-5 at a purity of 99.5%. With the molecular formula BaO, it has a molar mass of 153.33 g/mol. The IUPAC name is oxobarium. Common synonyms include Barium monoxide and Calcined baryta.

It is supplied as white to yellow-green or gray powder and chunks. Key physical data: a density of 5.72 g/mL at 25 °C. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include organic synthesis and analytical determinations. It is used across academic and industrial research.

Available in 5 g, 25 g and 100 g packs, Barium oxide is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
Analytical determinations

Industries

Specifications & identifiers

Chemical identifiers
Product name	Barium oxide, 99.5%
Catalogue No.	VQ-014303
CAS Number	1304-28-5
IUPAC name	oxobarium
Molecular formula	BaO
Molecular weight	153.33 g/mol
Exact mass	153.9002
Purity / assay	99.5%
HSN code	28164000
InChIKey	QVQLCTNNEUAWMS-UHFFFAOYSA-N
SMILES	O=[Ba]
PubChem CID	62392

Physical properties
Physical form	Powder
Appearance	White to yellow-green or gray powder and chunks
Density	5.72 g/mL at 25 °C
H-bond donors / acceptors	0 / 1
TPSA	17.1 Å²
UN number	UN 1884
Synonyms	Barium monoxide, Calcined baryta, Barium protoxide, Barium oxide (BaO), Oxyde de baryum, Barium oxide, obtained by calcining witherite, Barium monoixde, (Oxido)barium, Barium oxide, 97%, BARIUM OXIDE, BaO, Barium oxide, technical grade, 90%, Barium oxide [UN1884] [Poison]

Safety & hazard information (GHS)

Oxidiser

Corrosive

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H271May cause fire or explosion, strong oxidizer
H301Toxic if swallowed
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H332Harmful if inhaled

Precautionary statements: P210, P220, P260, P261, P264, P264 + P265, P270, P271, P280, P283, P301 + P316, P301 + P317, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P306 + P360, P316, P317, P321, P330, P332 + P317

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 1304-28-5

Barium oxide, 99.99%

CAS: 1304-28-5
Formula: BaO
MW: 153.33 g/mol

VQ-014304

Electronic

Barium oxide, electronic grade 99.90%

CAS: 1304-28-5
Formula: BaO
MW: 153.33 g/mol

VQ-047096

Frequently asked questions

What is the CAS number of Barium oxide, 99.5%?

The CAS Registry Number of Barium oxide, 99.5% is 1304-28-5. It is also known as Barium monoxide, Calcined baryta, Barium protoxide.

What is the molecular formula and molecular weight of Barium oxide, 99.5%?

Barium oxide, 99.5% has the molecular formula BaO and a molecular weight of 153.33 g/mol. Its IUPAC name is oxobarium.

Which grade and pack sizes of Barium oxide, 99.5% can I order?

We supply Barium oxide, 99.5% in (99.5%) grade, in 5 g, 25 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Barium oxide, 99.5%?

Yes. Every lot of Barium oxide, 99.5% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Barium oxide, 99.5% be shipped internationally?

Yes. Barium oxide, 99.5% is classified as hazardous (UN 1884), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.