Description

Chromium Silicide (CAS NO 12018-09-6) is an important inorganic compound valued for its exceptional hardness, high-temperature stability, and excellent resistance to oxidation and corrosion. This material is critical for enhancing the durability and performance of advanced ceramics and high-strength alloys. It is primarily sought by manufacturers in the metallurgical, refractory, and advanced materials sectors for applications demanding superior thermal and mechanical properties.

Application

• Refractory Materials: Used as a key additive in high-temperature furnace linings, crucibles, and kiln furniture to improve thermal shock resistance and service life.
• Advanced Ceramics: Serves as a reinforcing phase in structural ceramics and ceramic-matrix composites (CMCs) to enhance fracture toughness and wear resistance.
• Metallurgical Additive: Employed as a grain refiner and strengthening agent in specialty steels and nickel-based superalloys for aerospace and power generation components.
• Protective Coatings: Utilized in thermal spray and chemical vapor deposition (CVD) coatings to provide oxidation and corrosion protection for metal substrates.
• Electrode Materials: Incorporated into electrodes for certain high-temperature electrochemical processes due to its electrical conductivity and stability.
• Abrasive Materials: Applied in the formulation of grinding wheels and abrasive pastes for precision machining of hard materials.

Basic Information

Product Name	Chromium Silicide
CAS No.	12018-09-6
Molecular Formula	CrSi2
Molecular Weight	108.17 g/mol
Synonyms	Chromium Disilicide; Chromium(IV) Silicide; Silicon Chromide; CrSi2; Chromium Silicon Alloy; Chromium Silicide Powder; Chromium Silicon Compound
EINECS	234-630-1

Quality Control

Our Chromium Silicide is manufactured under stringent process controls to ensure batch-to-batch consistency and high purity. Quality is verified through a comprehensive suite of analytical techniques, including X-ray diffraction (XRD) for phase identification and spectroscopic methods for elemental analysis. A Certificate of Analysis (COA) detailing purity, particle size distribution, and other critical parameters is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is moisture-sensitive (hygroscopic) and should be kept under dry conditions to prevent clumping or degradation. Isolate from strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	Gray to black powder
Identification (XRD)	Conforms to standard pattern for CrSi2
Assay (CrSi2)	≥ 99.0%
Particle Size (D50)	1-10 µm (customizable)
Trace Metals (ICP-OES)	≤ 0.5% total
Loss on Drying	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.