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Adsorbents, Ion Exchangers & Molecular Sieves

Boron trioxide, electronic grade 99.90%

ElectronicAvailable on request

Order Boron trioxide, electronic grade 99.90% (CAS 1303-86-2) online at Zemixal. Request a quote with price, lead time and documents.

Pack sizes
Boron trioxide, electronic grade 99.90% chemical structure
CAS number1303-86-2
FormulaB2O3
Molar mass69.63 g/mol
HS code28100010
Purity99.90%
InChIKeyRPPTVYMVSNHGRG-UHFFFAOYSA-N
IUPAC name2,4,5-trioxa-1,3-diborabicyclo[1.1.1]pentane

About Boron trioxide, electronic grade 99.90%

Zemixal supplies Boron trioxide, electronic grade 99.90% within its laboratory Chemicals & Reagents portfolio. Identity at a glance (Electronic): CAS 1303-86-2, formula B2O3 and molar mass 69.63 g/mol.

Use cases we see most often

  • Column chromatography
  • Adsorption & purification
  • Drying & decolourising
  • Catalysis

Safe handling

Handle with the usual laboratory precautions and consult the SDS supplied with each lot.

Order it in 25 g, 100 g, 250 g and 1 kg packs or ask for a bulk quotation. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Column chromatography
  • Adsorption & purification
  • Drying & decolourising
  • Catalysis

Applications

Electronics, PCB and SemiconductorsResearch Labs and Universities

Grade guides

Electronic Grade

Specifications and identifiers

Specifications of Boron trioxide, electronic grade 99.90%
Product nameBoron trioxide, electronic grade 99.90%
Catalogue numberZX-038580
CAS number1303-86-2
IUPAC name2,4,5-trioxa-1,3-diborabicyclo[1.1.1]pentane
Molecular formulaB2O3
Molar mass69.63 g/mol
Exact mass70.0034
GradeElectronic
Purity / assay99.90%
H-bond donors / acceptors0 / 3
Topological polar surface area27.7 Ų
HS code28100010
InChIKeyRPPTVYMVSNHGRG-UHFFFAOYSA-N
SMILESB12OB(O1)O2
PubChem CID11073337
SynonymsBoron 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)

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS08 Health hazard
Health hazard

Signal word Danger

Precautionary statements P203, P280, P318, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Boron trioxide, electronic grade 99.90%
25 gQuoted on request
100 gQuoted on request
250 gQuoted on request
1 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Boron trioxide, electronic grade 99.90%

Which CAS number identifies Boron trioxide, electronic grade 99.90%?
Boron trioxide, electronic grade 99.90% is registered under CAS 1303-86-2. You may also see it listed as Boron sesquioxide, Boron Oxydatum, Fused boric acid. Our catalogue number for this item is ZX-038580.
What are the formula and molar mass of Boron trioxide, electronic grade 99.90%?
For Boron trioxide, electronic grade 99.90%, its formula is B2O3 and its molar mass is 69.63 g/mol. The systematic (IUPAC) name is 2,4,5-trioxa-1,3-diborabicyclo[1.1.1]pentane. InChIKey RPPTVYMVSNHGRG-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Boron trioxide, electronic grade 99.90%?
This listing is Electronic grade with 99.90% purity. Standard packs are 25 g, 100 g, 250 g, 1 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Boron trioxide, electronic grade 99.90%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Boron trioxide, electronic grade 99.90% to my country?
Yes. Because Boron trioxide, electronic grade 99.90% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 1303-86-2

All 7 grades

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