Boron trioxide, GR 99%+
Order Boron trioxide, GR 99%+ (CAS 1303-86-2) online at Zemixal: B2O3, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-001657.
About Boron trioxide, GR 99%+
Boron trioxide, GR 99%+ sits in our adsorbents, Ion Exchangers & Molecular Sieves section and ships worldwide from stock or short lead time. Identity at a glance (AR): CAS 1303-86-2, formula B2O3 and molar mass 69.63 g/mol. Typical appearance is white powder or crystal or chunks.
Common uses in the lab and plant
- Column chromatography
- Adsorption & purification
- Drying & decolourising
- Fine chemical synthesis
Storage and safety notes
Physical constants on file: melting point 450 °C and density 2.46 g/mL at 25 °C. No GHS classification is recorded for this item, but handle it with normal laboratory care.
Standard pack sizes are 250 g, 1 kg, 5 x 1 kg and 4 x 25 kg, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Column chromatography
- Adsorption & purification
- Drying & decolourising
- Fine chemical synthesis
Applications
Grade guides
Specifications and identifiers
| Product name | Boron trioxide, GR 99%+ |
|---|---|
| Catalogue number | ZX-001657 |
| 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 |
| Grade | AR |
| Purity / assay | ≥99% |
| Physical form | Crystalline |
| Appearance | White powder or crystal or chunks |
| 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
| 250 g | Quoted on request | |
| 1 kg | Quoted on request | |
| 5 x 1 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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Other grades with CAS 1303-86-2
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More in Adsorbents, Ion Exchangers & Molecular Sieves
- CAS
- 1333-86-4
- Formula
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- MW
- 12.01 g/mol
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