Chromium Diboride

CAS No.:	12007-16-8
Linear Formula:	CrB2
Purity:	99% - 99.999%
Appearance:	Refractory solid, hexagonal
Particle Size:	-100 Mesh, -325 Mesh, or customized

 

✅ Product Description
Chromium Diboride (CrB₂) is a high-performance ceramic compound known for its exceptional hardness, thermal stability, and high melting point. As a refractory material, it exhibits excellent resistance to chemical attack, wear, and oxidation, even in extreme environments. With a hexagonal crystal structure and strong covalent bonding, Chromium Diboride is a preferred material in high-temperature structural components, protective coatings, and cutting-edge aerospace and nuclear technologies. Our CrB₂ powder is available in ultra-fine particle sizes and high purities up to 99.999%, produced under tightly controlled conditions to ensure top-tier performance in advanced applications.

 

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🔹 Features & Properties

High purity: 99% to 99.999%

Extremely hard ceramic with Mohs hardness ~9–9.5

Melting point over 2100°C

Excellent thermal conductivity and chemical inertness

Superior wear and oxidation resistance

Electrically conductive compared to most ceramics

 

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🚀 Applications & Related Industries

✅ Aerospace and hypersonic vehicle components

✅ Nuclear reactor shielding and cladding

✅ Hard protective coatings for tools and dies

✅ High-temperature ceramics and composites

✅ Sputtering targets for PVD/CVD applications

✅ Defense and armor technology

✅ Thermal and electrical interface materials

 

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📖 Synonyms

CrB₂

Chromium(III) Diboride

Diboron Chromium

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⚠ Health & Safety Information

Avoid inhalation of powder; use in well-ventilated areas

Wear gloves, goggles, and masks during handling

Store in tightly sealed containers in dry environments

Not combustible, but may react with strong oxidizers

 

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🏭 Production Method & Equipment
Chromium Diboride is typically synthesized via solid-state reactions or direct combination of elemental chromium and boron at high temperatures under inert gas or vacuum. Advanced ball milling and sieving ensure fine, uniform particle distribution. Post-processing includes purification and moisture-controlled packaging to preserve material integrity.

 

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📐 Size & Customization

Particle Size: -100 mesh, -325 mesh, or custom micron sizes (e.g., D50 < 5 µm)

Morphology: Angular to sub-rounded crystalline particles

Packaging: Vacuum-sealed in foil or inert atmosphere containers

 

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📋 Certifications & Quality Assurance

Conforms to ASTM, JIS, GB, EN, and BS standards

ICP-OES and XRD analysis for purity and phase identification

Full traceability and batch-specific COA provided

Manufactured under ISO-compliant facilities

 

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⏱ Lead Time & MOQ

Lead time: 7–15 working days depending on quantity

MOQ: 100 grams (R&D) to 1 kg (bulk orders negotiable)

 

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💬 FAQs (Frequently Asked Questions)
Q1: Can Chromium Diboride be used in sputtering target fabrication?
A1: Yes, high-purity CrB₂ is widely used for sputtering targets in the semiconductor and coating industries.

Q2: How should CrB₂ powder be stored?
A2: Store in sealed, moisture-free containers in cool, dry environments to maintain stability.

Q3: Is CrB₂ electrically conductive?
A3: Yes, unlike most ceramics, Chromium Diboride is a good electrical conductor, making it suitable for specialized electronics.

 

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🧭 How to Choose the Product

Purity: Use ≥99.99% for electronic and coating-grade applications

Mesh Size: Finer powders (-325 mesh) preferred for PVD/CVD or sintering

Application-specific criteria: Contact our technical team for tailored recommendations

 

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📏 Product Standards

Complies with ASTM, JIS, GB, EN, and BS standards

Additional or industry-specific standards available upon request

 

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🧪 Production & Quality Control
Each batch is monitored via XRD, SEM, and chemical purity checks. Production environments are strictly controlled to avoid contamination and preserve crystallinity. Advanced sieving ensures uniform mesh sizing and consistency.

 

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📦 Shipping & Delivery Information

Available in 100g, 500g, 1kg, and bulk packaging

Custom labels and inert gas packaging available

Worldwide shipping with MSDS and COA documentation

 

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🌱 Environmental Impact & Sustainability

Chromium Diboride is non-toxic and stable in solid form

Inert in environmental conditions-low environmental risk

Waste materials handled per environmental compliance

 

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🧼 Maintenance & Care Instructions

Keep container tightly closed

Avoid exposure to moisture and air

Use dry handling procedures to maintain material quality

 

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🧩 Differentiation Between Products
Chromium Diboride differs from Chromium Metal Powder or Chromium Oxide in its ceramic nature, extreme hardness, and high-temperature capabilities. It's ideal for thermal barrier coatings and wear-resistant applications.

 

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📩 Contact Us
For pricing, technical datasheets, or custom formulations of Chromium Diboride, reach out to our expert team for rapid assistance tailored to your needs.

 

Chemical Identifiers

Linear Formula	CrB2
MDL Number	MFCD00016043
EC No.	234-499-3
Beilstein/Reaxys No.	N/A
Pubchem CID	3644323
IUPAC Name	diboranylidynechromium
SMILES	B.B.[Cr]
InchI Identifier	InChI=1S/2B.Cr
InchI Key	UHPOHYZTPBGPKO-UHFFFAOYSA-N

Chromium Diboride Properties (Theoretical)

Compound Formula	CrB2
Molecular Weight	73.618 g/mol
Appearance	Refractory solid, hexagonal
Melting Point	2200 °C
Boiling Point	N/A
Density	5.22 g/cc
Solubility in H2O	N/A
Exact Mass	73.9591 g/mol
Monoisotopic Mass	73.9589996337891 Da

 

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