Silicon nitride
Silicon nitride (CAS: 12033-89-5, Formula: Si3N4, Molar Mass: 140.28 g/mol) is a high-performance ceramic material. Supplied as a nanopowder with a minimum assay of 98.5%, it exhibits exceptional hardness, thermal stability, and chemical resistance. Its unique properties make it suitable for demanding applications in structural components, advanced coatings, and as a key material in scientific research and development.
Advanced Structural Components
Silicon nitride's high strength, hardness, and resistance to thermal shock make it ideal for manufacturing components subjected to extreme conditions. This includes parts for engines, bearings, and cutting tools.
Protective Coatings
Utilised for its wear resistance and thermal barrier properties, silicon nitride is applied as a coating to enhance the durability and performance of various surfaces. This is particularly relevant in high-temperature industrial environments.
Materials Science Research
As a nanopowder, silicon nitride is extensively used in research for developing new composite materials and exploring its potential in emerging technologies. Its defined particle size and high surface area are critical for these applications.
Ceramic Applications
This ceramic material serves as a foundational component in various advanced ceramic formulations. Its properties contribute to the development of refractory materials and components for the electronics industry.
| Molecular weight | 140.28 |
|---|---|
| Linear formula | Si3N4 |
| Assay | ≥98.5% trace metals basis |
| Form | nanopowder |
| Density | 3.44 g/mL at 25 °C(lit.) |
| Particle size | <50 nm (spherical) |
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 37 |
| Safety statements (S) | 22-24/25 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Bulk Density | 0.046 g/mL |
|---|---|
| Surface Area | BET surf. area 103-123 m2/g |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Silicon Nitride used for?
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Silicon nitride is used in advanced structural components, protective coatings, materials science research, and various other ceramic applications due to its high hardness, thermal stability, and chemical resistance.
What are the CAS number and formula for Silicon Nitride?
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The CAS number for Silicon Nitride is 12033-89-5 and its formula is Si3N4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Silicon Nitride with an assay of ≥98.5% on a trace metals basis, provided as a nanopowder. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling considerations for Silicon Nitride?
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Silicon Nitride (CAS: 12033-89-5) is classified as an irritant (Xi, R37). Handle with appropriate personal protective equipment including a dust mask (type N95 US), eyeshields, and gloves. Avoid inhalation and contact with skin and eyes. Store in a well-ventilated area.
How is Silicon Nitride shipped and exported by TSS?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. Silicon Nitride is carefully packaged to ensure safe transit and compliance with international shipping regulations.
How can I request a sample or quote for Silicon Nitride?
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To request a sample or obtain a quote for Silicon Nitride, please contact our sales team through the website or direct inquiry channels.
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