ChemicalBook > Product Catalog >Inorganic chemistry >Inorganic salts >Hydrides, nitrides, azides >nitride >Silicon nitride
Silicon nitride
- CAS No.
- 12033-89-5
- Chemical Name:
- Silicon nitride
- Synonyms
- Si3N4 SILICON NITRIDE;silicon(iv) nitride, electronic grade;E 05;E 10;β-Si3N4;α-Si3N4;SI3N4 B7;SI3N4 M11;ALPHA HYDROXY;E 05 (nitride)
- CBNumber:
- CB8744847
- Molecular Formula:
- N4Si3
- Molecular Weight:
- 140.2833
- MOL File:
- 12033-89-5.mol
- MSDS File:
- SDS
- Modify Date:
- 2024/7/30 17:43:28
| Melting point | 1900 °C |
|---|---|
| Density | 3.44 g/mL at 25 °C (lit.) |
| refractive index | 2.8 |
| RTECS | VW0650000 |
| form | powder |
| color | Pale gray |
| Specific Gravity | 3.44 |
| Resistivity | 10*6 (ρ/μΩ.cm) |
| Water Solubility | Insoluble water. |
| Crystal Structure | Hexagonal |
| Hydrolytic Sensitivity | 1: no significant reaction with aqueous systems |
| Merck | 14,8497 |
| Stability | Stable. |
| CAS DataBase Reference | 12033-89-5(CAS DataBase Reference) |
| EPA Substance Registry System | Silicon nitride (Si3N4) (12033-89-5) |
| Modulus of Elasticity | 120 - 150 GPa |
|---|---|
| Poissons Ratio | 0.20 |
| Shear Modulus | 50.0 - 62.5 GPa, Calculated |
| Hardness, Vickers | 1600 |
Silicon nitride price More Price(46)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | 806560 | Silicon nitride fiber >80% (crystalline) | 12033-89-5 | 10G | ₹10716.75 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 636703 | Silicon nitride nanopowder, <50?nm particle size (spherical), ≥98.5% trace metals basis | 12033-89-5 | 25G | ₹14072.5 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 636703 | Silicon nitride nanopowder, <50?nm particle size (spherical), ≥98.5% trace metals basis | 12033-89-5 | 100G | ₹35029.7 | 2022-06-14 | Buy |
| Sigma-Aldrich | 334103 | Silicon nitride powder, ≥99.9% trace metals basis | 12033-89-5 | 25G | ₹9461.05 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 334103 | Silicon nitride powder, ≥99.9% trace metals basis | 12033-89-5 | 25G | ₹9461.05 | 2022-06-14 | Buy |
Silicon nitride Chemical Properties,Uses,Production
Chemical Properties
slightly beige powder
Physical properties
Gray amorphous powder or crystals. Resistant to thermal shock. Good oxidation resistance up to 1500°C but decomposes into nitrogen and silicon above 1850°C. Excellent corrosion resistance to molten nonferrous metals such as Al, Pb, Zn, Cd, Bi, Rb, and Sn, and molten salts like NaCl-KCl, NaF, and silicate glasses. However, corroded by molten Mg, Ti, V, Cr, Fe, and Co, cryolite, KOH, and Na2 O.
Uses
Silicon nitride (Si3N4), resistant to oxidation, is an excellent coating for metals, as well as an adhesive and abrasive, and it is used in high-temperature crucibles. It has proven useful as heat-resistant substance for the nozzles on rocket engines.
General Description
Silicon nitride based ceramics possess high fracture toughness, hardness and wear resistance, resistance to corrosion, thermal stability. Two known polymorphs of silicon nitride exist, alpha and beta Si3N4, both have hexagonal structure. A study shows that a third state, cubic spinel structure, has also been synthesized.
Silicon nitride Preparation Products And Raw materials
Raw materials
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Global( 222)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | Inquiry |
|---|---|---|---|---|---|
| Anand Agencies | 91-20-24454597 | Maharashtra, India | 2337 | 58 | Inquiry |
| Nano Research Elements | 08048372588Ext 365 | Delhi, India | 101 | 58 | Inquiry |
| Sunayana Chemicals | 08046063253 | Gujarat, India | 24 | 58 | Inquiry |
| CHEMSWORTH | +91-261-2397244 | New Delhi, India | 6707 | 30 | Inquiry |
| Otto Chemie Pvt. Ltd. | +91 9820041841 | Mumbai, India | 5873 | 58 | Inquiry |
| Sisco Research Laboratories Pvt. Ltd. | +91-22-4268 5800 | Mumbai, India | 4317 | 58 | Inquiry |
| Alfa Aesar | 1 800 209 7001 | Maharashtra, India | 6913 | 58 | Inquiry |
| Triveni chemicals | 08048762458 | New Delhi, India | 6093 | 58 | Inquiry |
| Hebei Andu Technology Com.,Ltd | +86-86-17798073498 +8617798073498 | China | 293 | 58 | Inquiry |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | China | 21669 | 55 | Inquiry |
| Supplier | Advantage |
|---|---|
| Anand Agencies | 58 |
| Nano Research Elements | 58 |
| Sunayana Chemicals | 58 |
| CHEMSWORTH | 30 |
| Otto Chemie Pvt. Ltd. | 58 |
| Sisco Research Laboratories Pvt. Ltd. | 58 |
| Alfa Aesar | 58 |
| Triveni chemicals | 58 |
| Hebei Andu Technology Com.,Ltd | 58 |
| Henan Tianfu Chemical Co.,Ltd. | 55 |
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- Jan 16，2024
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