Molekula
Barium metaborate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Barium metaborate is an inorganic compound used in flame retardants, glass manufacturing, and as a precursor in specialty ceramics. It also serves as a preservative in latex and oil paints, varnishes, coatings, adhesives and paper products, and as a wet-end additive in pulp and paper processing. It appears as a white crystalline powder and is stable under ambient storage conditions. CAS: 13701-59-2, Molecular Formula: B2BaO4, Molecular Weight: 222.94 g/mol. Signal word: Danger. Molekula supplies Barium metaborate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £26.30 per pack ex VAT · £31.56 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Identification | Conforms to reference |
| pH | 9 - 10.5 |
| Fineness | >99.5% |
| Volatile Matter | <2% |
| Barium Oxide | 56 - 61% |
| Diboron trioxide | 22 - 28% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Vapour Pressure | 0.00000081 mmHg |
Source: PubChem CID 6101043 (Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 90027700 |
| CAS Number | 13701-59-2 |
| IUPAC Name | barium(2+);oxido(oxo)borane |
| EC Number | 237-222-4 |
| Molecular Formula | B2BaO4 |
| Molecular Weight | 222.94 |
| Exact Mass | 223.9035 |
| SMILES | B(=O)[O-].B(=O)[O-].[Ba+2] |
| InChIKey | QBLDFAIABQKINO-UHFFFAOYSA-N |
| InChI | InChI=1S/2BO2.Ba/c2*2-1-3;/q2*-1;+2 |
| PubChem CID | 6101043 |
| UN Number | UN1564 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2840.20.00.00 |
| Tariff Code | 2840209020 |
Safety & GHS
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Toxic
GHS06
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H301 Toxic if swallowed
- H332 Harmful if inhaled
- H360 May damage fertility or the unborn child
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Barium boron oxide
- Barium diborate
- Barium diboron tetraoxide
- barium(2+);oxido(oxo)borane
- BBO (optical crystal)
- Boric acid (HBO2), barium salt
- Boric acid (HBO2), barium salt (2:1)
- Busan 11M1
- Caswell No. 071
- EPA Pesticide Chemical Code 011101
Frequently asked questions
What is barium metaborate commonly used for?
Barium metaborate is primarily used as a chemical intermediate, in pyrotechnics for green flame effects, and as a component in some glass and ceramic formulations.
What is the chemical formula and molecular weight of barium metaborate?
The chemical formula is BaB₂O₄, also written B₂BaO₄, and the molecular weight is 222.94 g/mol.
How should barium metaborate be stored?
Store in a cool, dry, well-ventilated area at ambient temperature, away from incompatible substances, and ensure containers are tightly sealed.
What purity grades does Molekula offer for barium metaborate?
Molekula supplies barium metaborate in technical grade and analytical standard grade (if applicable).
Can Molekula supply barium metaborate in bulk quantities?
Yes, Molekula can provide barium metaborate in bulk, with quantities tailored to your specific requirements—contact us for pricing and availability.
What documentation is provided with a barium metaborate order?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS/SDS), and a packing list for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.