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NN0219 Nano Silicon Nitride (Si3N4) Powder (CAS No. 12033-89-5)

  • Catalog No. NN0219
  • CAS Number 12033-89-5
  • APS 20nm
  • Molecular Weight 140.2833
  • Form Black powder
  • Purity 99.9%

Nano Silicon Nitride (Si3N4) Powder Description

Nano Silicon Nitride (Si3N4) (CAS: 12033-89-5) is a dense, high-strength, and high-toughness ceramic material developed by scientists in the 1970s. Silicon nitride has been used in many industrial applications such as engine components, bearings, and cutting tools. Silicon nitride has better high-temperature performance than most metals, combined with high strength stability and creep and oxidation resistance. In addition, its low coefficient of thermal expansion makes it good thermal shock resistance compared to most ceramic materials.

Nano Silicon Nitride (Si3N4) Powder Properties

  1. Nano Particle Size: Our Nano Si3N4 Powder boasts an ultrafine particle size, typically in the nanometer range. This remarkable small particle size unlocks unique properties and provides superior surface area, making it perfect for applications demanding high reactivity and homogeneity.
  2. Exceptional Thermal Stability: Nano Si3N4 is renowned for its outstanding thermal stability. It can withstand extreme temperatures, making it ideal for applications in high-temperature environments, such as refractory materials and thermal barrier coatings.
  3. Superb Mechanical Properties: With exceptional hardness, toughness, and wear resistance, Nano Si3N4 Powder is a game-changer in the world of ceramics and composites. It enhances the mechanical properties of materials, contributing to their durability and performance.
  4. Excellent Electrical Insulation: Nano Si3N4 is an excellent electrical insulator, making it invaluable in electronics and semiconductor applications where electrical conductivity must be minimized.

Nano Silicon Nitride (Si3N4) Powder Specifications

CAS Number


Chemical Formula


Molecular Weight



black powder

Specific Surface Area(m2/g)


Bulk Density(g/cm3)


Tap Density(g/cm3)



Soluble in nitric acid and hydrofluoric acid. Insoluble in water.

Nano Silicon Nitride (Si3N4) Powder Applications

Nano Silicon Nitride (Si3N4) Powder is a versatile nanomaterial with wide-ranging applications in various industries.

In metallurgy, it enhances the durability and performance of metal components through the creation of robust wear-resistant coatings.

Within material composites, silicon nitride nanoparticles act as game-changers, improving mechanical properties, wear resistance, and thermal stability when integrated as additives or essential constituents.

The aviation and military sectors leverage silicon nitride's unique properties in critical components for missiles and rockets, benefiting from its ability to withstand high temperatures and harsh environments.

In mechanical devices, silicon nitride nanopowder excels in controlling friction and resisting wear, making it a preferred material for components like valves, bearings, turbines, and more.

Overall, Nano Silicon Nitride (Si3N4) Powder continues to drive innovation across industries, offering enhanced performance and durability in various applications.

Nano Silicon Nitride (Si3N4) Powder Packaging

Our Nano Silicon Nitride (Si3N4) Powder is carefully handled during storage and transportation to preserve the quality of our product in its original condition.

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