Boron trioxide, electronic grade 99.90%

Name: Boron trioxide, electronic grade 99.90%
Brand: Vaqora Chemicals
SKU: VQ-047101

About Boron trioxide, electronic grade 99.90%

Boron trioxide (CAS 1303-86-2) is an adsorbent offered by Vaqora Chemicals in Electronic grade, specified at 99.90% purity. Its molecular formula is B2O3 and its molecular weight is 69.63 g/mol. Systematically, it is named 2,4,5-trioxa-1,3-diborabicyclo[1.1.1]pentane. It is also known as Boron sesquioxide or Boron Oxydatum.

Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Typical applications include column chromatography, adsorption and purification, drying and decolourising and catalysis. Our customers for this product work in academic and industrial research and electronics and semiconductors.

Vaqora Chemicals supplies Boron trioxide in 25 g, 100 g, 250 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Column chromatography
Adsorption & purification
Drying & decolourising
Catalysis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Boron trioxide, electronic grade 99.90%
Catalogue No.	VQ-047101
CAS Number	1303-86-2
IUPAC name	2,4,5-trioxa-1,3-diborabicyclo[1.1.1]pentane
Molecular formula	B₂O₃
Molecular weight	69.63 g/mol
Exact mass	70.0034
Grade	Electronic
Purity / assay	99.90%
HSN code	28100010
InChIKey	RPPTVYMVSNHGRG-UHFFFAOYSA-N
SMILES	B12OB(O1)O2
PubChem CID	11073337

Physical properties
Physical form	Other
H-bond donors / acceptors	0 / 3
TPSA	27.7 Å²
Synonyms	Boron sesquioxide, Boron Oxydatum, Fused boric acid, Boric oxide (B2O3), Boric acid (HBO2), anhydride, Boric anhydride, Boric oxide, Boron oxide, Boron oxide (B2O3), Diboron trioxide, Boron oxide, (H2O 200ppm)

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Precautionary statements: P203, P280, P318, P405, P501

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 1303-86-2

Boric anhydride, granulated, 98%

CAS: 1303-86-2
Formula: B₂O₃
MW: 69.63 g/mol

VQ-015207

Boron oxide nanopowder, APS 40-80 nm, 98%

CAS: 1303-86-2
Formula: B₂O₃
MW: 69.63 g/mol

VQ-017446

Boron trioxide, 99.98%

CAS: 1303-86-2
Formula: B₂O₃
MW: 69.63 g/mol

VQ-001655

Boron trioxide, 99.999%

CAS: 1303-86-2
Formula: B₂O₃
MW: 69.63 g/mol

VQ-001656

Synthesis

Boron trioxide, 99%

CAS: 1303-86-2
Formula: B₂O₃
MW: 69.63 g/mol

VQ-001654

AR

Boron trioxide, GR 99%+

CAS: 1303-86-2
Formula: B₂O₃
MW: 69.63 g/mol

VQ-001657

Frequently asked questions

What is the CAS number of Boron trioxide, electronic grade 99.90%?

The CAS Registry Number of Boron trioxide, electronic grade 99.90% is 1303-86-2. It is also known as Boron sesquioxide, Boron Oxydatum, Fused boric acid.

What is the molecular formula and molecular weight of Boron trioxide, electronic grade 99.90%?

Boron trioxide, electronic grade 99.90% has the molecular formula B2O3 and a molecular weight of 69.63 g/mol. Its IUPAC name is 2,4,5-trioxa-1,3-diborabicyclo[1.1.1]pentane.

Which grade and pack sizes of Boron trioxide, electronic grade 99.90% can I order?

We supply Boron trioxide, electronic grade 99.90% in Electronic (99.90%) grade, in 25 g, 100 g, 250 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Boron trioxide, electronic grade 99.90%?

Yes. Every lot of Boron trioxide, electronic grade 99.90% 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 Boron trioxide, electronic grade 99.90% be shipped internationally?

Yes. Boron trioxide, electronic grade 99.90% is classified as hazardous, 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.