Boron trioxide, 99.98%
Buy Boron trioxide, 99.98% (CAS 1303-86-2) from Zemixal: B2O3, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-001655.
About Boron trioxide, 99.98%
Zemixal supplies Boron trioxide, 99.98% within its laboratory Chemicals & Reagents portfolio. Identity at a glance (99.98%): CAS 1303-86-2, formula B2O3 and molar mass 69.63 g/mol. It is described as white powder.
Typical applications
- Column chromatography
- Adsorption & purification
- Drying & decolourising
- Ceramics & glass
Storage and safety notes
Physical constants on file: melting point 450 °C and density 2.46 g/mL at 25 °C. Handle with the usual laboratory precautions and consult the SDS supplied with each lot.
Available as 100 g, 500 g, 5 kg and 4 x 25 kg. Larger or split packs can be arranged. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Column chromatography
- Adsorption & purification
- Drying & decolourising
- Ceramics & glass
Applications
Specifications and identifiers
| Product name | Boron trioxide, 99.98% |
|---|---|
| Catalogue number | ZX-001655 |
| CAS number | 1303-86-2 |
| IUPAC name | 2,4,5-trioxa-1,3-diborabicyclo[1.1.1]pentane |
| Molecular formula | B2O3 |
| Molar mass | 69.63 g/mol |
| Exact mass | 70.0034 |
| Purity / assay | 99.98% |
| Physical form | Powder |
| Appearance | White powder |
| Melting point | 450 °C |
| Density | 2.46 g/mL at 25 °C |
| H-bond donors / acceptors | 0 / 3 |
| Topological polar surface area | 27.7 Ų |
| HS code | 28100010 |
| InChIKey | RPPTVYMVSNHGRG-UHFFFAOYSA-N |
| SMILES | B12OB(O1)O2 |
| PubChem CID | 11073337 |
| Synonyms | Boric anhydride, Boric oxide, Diboron trioxide, Boron sesquioxide, Boron Oxydatum, Fused boric acid, Boric oxide (B2O3), Boric acid (HBO2), anhydride, B2O3, Boron oxide, Boron oxide (B2O3), Boron oxide (99.6%-B) |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
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
| 100 g | Quoted on request | |
| 500 g | Quoted on request | |
| 5 kg | Quoted on request | |
| 4 x 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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