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Calcium Hexaboride CaB6 Powder CAS 12007-99-7

Item No.: Tr-CaB6 Calcium hexaboride (sometimes calcium boride) is a compound of calcium and boron with the chemical formula CaB6. It is an important material due to its high electrical conductivity, hardness, chemical stability, and melting point. Purity: 99.5%

Overview of Calcium Hexaboride CaB6 Powder

Calcium hexaboride (calcium boride) is a compound of calcium and boron, with the chemical formula CaB6. Due to its high conductivity, hardness, chemical stability and melting point, it is an important material. It is a black, shiny, chemically inert powder with low density. It has a typical cubic structure of six metal boride, with octahedral units of six boron atoms and calcium atoms.

CaB6 has been investigated in the past due to a variety of peculiar physical properties, such as superconductivity, valence fluctuation and Kondo effects. However, the most remarkable property of calcium boride is its ferromagnetism. It occurs at unexpectedly high temperatures (600K) and with a low magnetic moment. The origin of this high-temperature ferromagnetism is the ferromagnetic phase of the dilute electron gas, linkage to the presumed excitonic state in calcium boride, or external impurities on the surface of the sample. The impurities might include iron and nickel, probably coming from impurities in the boron used to prepare the sample.

CaB6 is insoluble in H2O, MeOH (methanol), and EtOH (ethanol) and dissolves slowly in acids. Its microhardness is 27 GPa, Knoop hardness is 2600 kg/mm2), the Young modulus is 379 GPa, and electrical resistivity is greater than 2·1010 Ω·m for pure crystals. CaB6 is a semiconductor with an energy gap estimated at 1.0 eV. The low, semi-metallic conductivity of many CaB6 samples can be explained by unintentional doping due to impurities and possible non-stoichiometry. Feel free to send an inquiry to get the latest price if you would like to buy Calcium Hexaboride CaB6 Powder in bulk.

Product Performance of Calcium Hexaboride CaB6 Powder:

Calcium boride has the characteristics of high melting point and high hardness. Its physical and chemical properties are quite stable. When calcined in air, sub-micron CaB6 will only gain weight after 800 degrees Celsius and is not easy to oxidize. CaB6 is generally insoluble in hydrochloric acid and sulfuric acid, so technically to remove impurity materials by hot hydrochloric acid, but CaB6 is soluble in nitric acid.

How is Calcium Hexaboride CaB6 Powder produced?

One of the main reactions of industrial production is:

CaO + 3 B2O3 + 10 Mg→CaB6 + 10 MgO

Other methods of producing CaB6 powder include:

Calcium or calcium oxide reacts directly with boron at 1000°C;

Ca + 6B→CaB6

Ca(OH)2 reacts with boron under a vacuum of about 1700°C (carbothermal reduction);

Ca（OH）2 + 7B→CaB6 + BO（g）+ H2O（g）

The reaction of calcium carbonate and boron carbide under vacuum above 1400°C (Carbothermal reduction)

CaO and H3BO3 react with Mg to 1100°C.

Low temperature (500°C) synthesis

CaCl2 + 6NaBH4→CaB6 + 2NaCl + 12H2 + 4Na

As a result, the material quality is relatively poor.

In order to produce, for example, pure calcium boride single crystals used as cathode materials, the CaB6 powder thus obtained is further recrystallized and purified by zone melting technology. The typical growth rate is 30 cm/h, and the crystal size is about 1x10 cm.

Single crystal CaB6 nanowires (diameter 15-40 nm, length 1-10 microns) can be obtained by pyrolyzing diborane (B2H6) on calcium oxide (CaO) powder at 860-900°C in the presence of Ni catalyst.

Technical Parameter of Calcium Hexaboride CaB6 Powder

Product Name	MF	Purity	Particle Size	Bulk Density	Melting Point	Color
Calcium Hexaboride	CaB6	99.5%	-325 mesh	2.33 g/cm3	2230℃	Gray Black

Application of Calcium Hexaboride CaB6 Powder

1. Used as a boron-containing additive for dolomite charcoal and magnesium dolomite charcoal refractories to resist oxidation, erosion and improve the thermal strength.

2. Used as a deoxidizing and degassing agent for highly conductive red copper to improve conductivity and strength.

3. Used as a new type of material for preventing neutrons in the nuclear industry.

4. Used as a new type of semiconductor material in spin electronic components with a temperature of 900K.

5. Used as a raw material for manufacturing boron trichloride (BCl3) and amorphous boron.

6. Used as a raw material for manufacturing high-purity metal borides (TiB2, ZrB2, HfB2, etc.) and high-purity boron alloys (Ni-B, Co-B, Cu-B, etc.).

7. Used to manufacture a mixture of catalyst-containing calcium-boron nitride (Ca3B2N4) and hexagonal boron nitride, and to produce crystal cubic boron nitride with excellent performance.

Storage Condition of Calcium Hexaboride CaB6 Powder

Damp reunion will affect CaB6 powder dispersion performance and using effects, therefore, calcium hexaboride CaB6 powder should be sealed in vacuum packing and stored in cool and dry room, the calcium hexaboride can not be exposure to air. In addition, the CaB6 powder should be avoided under stress.

Company Profile

Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and nanomaterials, including boride powder, nitride powder, graphite powder, sulfide powder, 3D printing powder, etc.

The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.
If you are looking for high-quality Calcium Hexaboride CaB6 Powder, please feel free to contact us or click on the needed products to send an inquiry.

Packing&Shipment of Calcium Hexaboride CaB6 Powder

We have many different kinds of packing which depend on the Calcium Hexaboride CaB6 Powder quantity.

Calcium Hexaboride CaB6 Powder packing: vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.

Calcium Hexaboride CaB6 Powder shipping: could be shipped out by sea, by air, by express as soon as possible once payment receipt.

Payment Methods of Calcium Hexaboride CaB6 Powder

L/C, T/T, Western Union, Paypal, Credit Card etc.

FAQ

What is calcium hexaboride used for?

Answer: Calcium hexaboride is used in the manufacturing of boron-alloyed steel and as a deoxidation agent in production of oxygen-free copper. The latter results in higher conductivity than conventionally phosphorus-deoxidized copper owing to the low solubility of boron in copper.

What is the structure of cab6?

Answer: Commonly referred to as the CaB 6 prototype structure, the lattice is composed of a single metal atom surrounded by eight octahedra of boron atoms, each centered on a corner of the cube ( Fig. 1) and of Pm ¯ 3m symmetry.

What is the crystal structure of calcium hexaboride?

Answer: The crystal structure of calcium hexaboride is a cubic lattice with calcium at the cell centre and compact, regular octahedral of boron atoms linked at the vertices by B-B bonds to give a 3-D boron network. Each calcium has 24 nearest-neighbor boron atoms.

Calcium Hexaboride Properties
Other Names	zirconium boride, ZrB2 powder
CAS No.	12007-99-7
Compound Formula	CaB6
Molecular Weight	104.944
Appearance	Black Powder
Melting Point	2235 °C
Boiling Point	N/A
Density	2.3-2.45 g/cm3
Solubility in H2O	Insoluble
Exact Mass	N/A


Calcium Hexaboride Health & Safety Information
Signal Word	Warning
Hazard Statements	H315-H319-H335
Hazard Codes	Xi
Risk Codes	N/A
Safety Statements	N/A
Transport Information	NONH for all modes of transport

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2024

Innovation in Materials Science: Spherical tungsten powder occupies a central position

In the constantly evolving world of advanced materials, a product has quietly changed the industry from aerospace to medical devices - spherical tungsten powder. This carefully crafted material, with its unique performance and multifunctional applications, is now at the forefront of technological progress. Spherical tungsten powder is a special form of tungsten known for its high density, excellent mechanical properties, and high melting point. Unlike traditional powders that typically exhibit irregular shapes and sizes, spherical tungsten powders have uniform spherical particles and several advantages over traditional powders. These measures include improving fluidity, reducing the porosity of the final product, and exhibiting excellent sintering characteristics. Spherical tungsten powder Spherical tungsten powder is manufactured using advanced gas atomization technology to ensure consistent particle size distribution, making it an ideal choice for additive manufacturing processes such as 3D printing. Its use in these processes enables the creation of complex geometric shapes with high precision and strength, which traditional manufacturing methods previously could not achieve. The aerospace sector has always been one of the main beneficiaries of spherical tungsten powder. Due to its high density, this powder is used to produce balance weights for aircraft components, ensuring stability and efficiency during flight. In addition, this powder can withstand extreme temperatures, making it a critical component for engine components and radiation protection. In the medical field, spherical tungsten powder is used for radiation shielding, especially in the development of high-quality X-ray and CT scanning equipment. Its radiation absorption characteristics make it indispensable in creating a safer environment for patients and healthcare workers. In addition, this powder plays an important role in the manufacturing of medical implants, and its biocompatibility and strength contribute to successful surgical outcomes. The recent headline news reveals a groundbreaking collaboration between leading aerospace manufacturers and tungsten powder producers. This partnership aims to develop next-generation aircraft components using spherical tungsten powder, with the goal of achieving unprecedented levels of fuel efficiency and performance. Experts predict that this may mark a new era in aviation technology, laying the foundation for innovation in future commercial and military aircraft design. In addition, medical researchers have announced promising preliminary results in the targeted treatment of cancer using spherical tungsten powder. By encapsulating chemotherapy drugs in tungsten microspheres, doctors can directly deliver treatment to the tumor site, minimizing side effects and improving treatment effectiveness. With continuous innovation in the industry, the demand for high-quality spherical tungsten powder is expected to increase. With its outstanding performance and continuously expanding application range, this material is expected to play a key role in shaping the future of various industries. Please continue to follow us on the latest developments in the world of advanced materials, where spherical tungsten powder is at the forefront. About RBOSCHCORBOSCHCO is a trusted global chemical material supplier & manufacturer with over 12 years experience in providing super high-quality chemicals and Nanomaterials. The company export to many countries, such as USA, Canada, Europe, UAE, South Africa,Tanzania,Kenya,Egypt,Nigeria,Cameroon,Uganda,Turkey,Mexico,Azerbaijan,Belgium,Cyprus,Czech Republic, Brazil, Chile, Argentina, Dubai, Japan, Korea, Vietnam, Thailand, Malaysia, Indonesia, Australia,Germany, France, Italy, Portugal etc. As a leading nanotechnology development manufacturer, RBOSCHCO dominates the market. Our professional work team provides perfect solutions to help improve the efficiency of various industries, create value, and easily cope with various challenges. If you are looking for Spherical tungsten powder, please send an email to: sales1@rboschco.comHot tags:semiconductor, semiconductor material

Jul 09

2024

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