Molekula
Boron carbide
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
Boron carbide is an extremely hard ceramic compound, primarily used for abrasives, armor plating, and neutron absorption in nuclear applications due to its exceptional hardness and lightweight properties. With a chemical formula of CB4 and a molecular weight of 55.25, it is classified under CAS 12069-32-8. Store at ambient conditions, but handle with caution—it carries a Danger signal word for safety. Molekula supplies boron carbide 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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 | Black powder |
| Assay | ≥95% |
| Carbon (C) | ≥20% |
| Fe2O3 | ≤0.5% |
| Mesh | -325mesh:96.5 |
| B2O3 | ≤0.5% |
| Boron (B) | ≥76% |
| Free Boron | ≤0.5% |
| Free Carbon | ≤3.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 2350 °C |
Source: PubChem CID 123279 (PAC Chemical Database)
Identification
| Property | Value |
|---|---|
| SKU | 89999867 |
| CAS Number | 12069-32-8 |
| IUPAC Name | 2,3,4,5-tetraboratetracyclo[2.1.0.01,3.02,5]pentane |
| EC Number | 235-111-5 |
| Molecular Formula | CB4 |
| Molecular Weight | 55.25 |
| Exact Mass | 56.0372 |
| SMILES | B12B3C14B2B43 |
| InChIKey | INAHAJYZKVIDIZ-UHFFFAOYSA-N |
| InChI | InChI=1S/CB4/c2-1-3(2)5(1)4(1)2 |
| PubChem CID | 123279 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28499010 |
| Tariff Code | 2849901000 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H332 Harmful if inhaled
- H360 May damage fertility or the unborn child
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P304+341 IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, 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
- 2,3,4,5-tetraboratetracyclo[2.1.0.01,3.02,5]pentane
- BORCARBID HD 20
- Boron carbide (B4C)
- Boron carbide F1500
- Carbon tetraboride
- Nano Boron carbide
- Norbide
- TETRABOR 1000
- TETRABORON CARBIDE
- TETRABORON MONOCARBIDE
Frequently asked questions
What is boron carbide primarily used for?
Boron carbide is widely used in bulletproof vests, abrasives, and as a neutron absorber in nuclear applications due to its exceptional hardness and neutron absorption properties.
What is the chemical formula and molecular weight of boron carbide?
The chemical formula is CB₄ in Hill notation, commonly written as B₄C, and the molecular weight is 55.25 g/mol.
How should boron carbide be stored?
Store boron carbide in a cool, dry, well-ventilated area at ambient temperature, away from incompatible substances.
What grades or purity levels of boron carbide does Molekula supply?
Molekula supplies boron carbide in technical grade (90-92% purity) and high-purity grade (95%+ purity).
Can Molekula supply boron carbide in bulk quantities?
Yes, Molekula can supply boron carbide in bulk, with quantities tailored to customer requirements—contact us for specific pricing and logistics.
What documentation comes with a boron carbide order?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS/SDS), and a packing list with batch-specific details.
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.