Boron powder is a fine elemental boron material with high purity and controlled particle characteristics. It is supplied in powder form for advanced material research and industrial applications.With high melting point, excellent thermal stability and unique chemical properties, It is used in advanced ceramics, semiconductor materials, powder metallurgy and the synthesis of boron-containing compounds.Compared with boron granules, boron powder provides a smaller particle size and higher specific surface area, making it suitable for applications requiring fine mixing, uniform distribution and material processing at the powder level.
| Property | Value |
| Chemical Name | Boron |
| Chemical Formula | B |
| CAS Number | 7440-42-8 |
| EC Number | 231-151-2 |
| Molecular Weight | 10.81 g/mol |
| Material Type | Elemental boron |
| Appearance | Brown to black powder |
| Purity | 99.9%–99.99% |
| Form | Powder |
| Particle Size | Customizable |
Advanced Ceramics: It is used as a raw material for producing boron-containing ceramic materials, including boron carbide (B₄C) and other advanced ceramic compounds.
Semiconductor Research: High purity boron is used in semiconductor-related research and material development where elemental purity and composition control are important.
Powder Metallurgy: It can be used as an additive material in powder metallurgy processes and alloy development.
Boron Compound Synthesis：Boron powder serves as a starting material for the preparation of boron-based compounds, including boron carbide and boron nitride.
Scientific Research: High purity boron powder is suitable for laboratory research involving advanced materials, chemical synthesis and functional materials.
| Feature | Powder | Granules |
| Form | Fine powder | Granular solid |
| Particle size | Micron-level powder | Millimeter-sized granules |
| Surface area | Higher | Lower |
| Mixing capability | Better for powder processing | Suitable for solid handling |
| Dust generation | Higher | Lower |
| Typical applications | Ceramics, synthesis, research | Target preparation, loading and melting |
The selection of boron powder depends on several factors:
High purity grades are preferred for applications requiring low impurity levels, including semiconductor research and advanced ceramics.
Particle size affects mixing behavior, reaction efficiency and processing performance. Different applications may require different powder sizes.
The suitable boron powder grade depends on the intended process, such as synthesis, powder metallurgy or laboratory research.
ULPMAT provides with controlled specifications for research and advanced material applications.
Available options include:
It is a fine elemental boron material with high purity and controlled particle characteristics. It is used in advanced ceramics, semiconductor research, powder metallurgy and material synthesis.
It is available with purity levels up to 99.99%. Different purity grades can be selected according to application requirements.
It can be supplied with customized particle sizes. The required particle size depends on the processing method and application.
It is used in advanced ceramics, semiconductor research, powder metallurgy, boron compound synthesis and scientific research.
It has a smaller particle size and higher surface area, making it suitable for fine mixing and synthesis processes. Boron granules have larger particles and are easier to handle for applications requiring solid material loading.
High purity boron is not classified as hazardous according to applicable regulations when supplied as a solid material. Safety information is available in the SDS.
Yes. Technical documents including SDS and TDS are available for boron powder.
Appearance: Black or dark brown powder
Melting Point: 2150-2301°C
Boiling Point: 2550-2658°C
Density: Amorphous boron powder has a density of 2.37 g/cm³, while crystalline boron has a density of 2.34-2.46 g/cm³
Mohs Hardness: 9.3
Stability: Stable at room temperature, begins to oxidize upon heating to 300°C, and becomes flammable above 700°C.
Solubility: Insoluble in water, slightly soluble in nitric acid
Reactivity: Reacts directly with elements such as fluorine and oxygen, and forms borides with metals (such as copper, iron, and aluminum) at high temperatures.
H302 Harmful if swallowed
Inner packaging: Antistatic double-layer polyethylene (PE) bags, vacuum sealed
Outer packaging: Carton box or iron drum with foam cushioning for shock protection
Standard package sizes: 100 g/bottle, 500 g/bottle, 1 kg/bottle, 5 kg/drum, 25 kg/drum (customization available upon request)
Handling notes: Keep packaging sealed, moisture-proof, and protected from mechanical impact. Store away from strong oxidizing agents.
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