{"id":6779,"productCode":"POSI3N424004N","chemicalCode":"Si3N4","name":"Silicon Nitride","customName":null,"otherNames":"","formula":"Si3N4","purity":99.99,"form":"PO","size":"-2400 mesh (3.48 mic aps) approx","composition":"","description":"","productionMethod":"","bulkAvailable":null,"productionStatus":"Stock","hazmat":null,"status":null,"repackage":false,"priceBase":"340.00","quantityBase":"kg","bulkAvailability":true,"inProduction":"","factoryCode":"140","publicComments":"inred Traces of Si3N4-Beta phase present in it","privateComments":"","chemicalCodeLetters":null,"image":null,"sizeData":"{\"formSize\":\"57\",\"size_form\":[{\"text\":\"-\"},{\"input_value\":\"2400\"},{\"select\":{\"value\":\"mesh\",\"options\":[{\"value\":\"mesh\",\"text\":\"mesh\"},{\"value\":\"micron\",\"text\":\"micron\"},{\"value\":\"nm\",\"text\":\"nm\"}]}},{\"text\":\"(\"},{\"input_value\":\"3.48\"},{\"text\":\"mic aps)\"},{\"select\":{\"value\":\"approx\",\"options\":[{\"value\":\"\",\"text\":\"\"},{\"value\":\"approx\",\"text\":\"approx.\"}]}}]}","isLocked":false,"isSearchable":true,"storedLocation":null,"chemicalId":1007,"old_chem_id":null,"createdAt":"2016-04-13T14:33:10.000Z","updatedAt":"2021-09-14T20:51:07.000Z","deleted":false,"deletedAt":null,"userChangedById":null,"hts":null,"Chemical":{"id":1007,"formula":"Si3N4","productLetters":"SI3N4","name":"Silicon Nitride","otherNames":"","cas":"12033-89-5","einecs":"234-796-8","hazmat":"","data":"","applications":[{"title":"Semiconductors","description":"Silicon nitride is used as a passivation layer, diffusion mask, and dielectric material in integrated circuit manufacturing due to its excellent barrier properties against water and sodium ions."},{"title":"Sputtering","description":"Silicon nitride targets are utilized in physical vapor deposition to create hard, wear-resistant, and chemically inert thin films for microelectronic and optical applications."},{"title":"Refractory chemicals","description":"Due to its high thermal stability and resistance to thermal shock, silicon nitride is used in high-stress refractory components such as crucible liners and engine parts."},{"title":"Optical coating","description":"It is applied as an anti-reflective coating and a protective layer in optical devices and solar cells because of its tunable refractive index and durability."},{"title":"Nanomaterials","description":"Silicon nitride nanopowders are used to produce high-strength nanocomposites and specialized ceramic components with enhanced mechanical properties."}],"publicComments":"","privateComments":"Silicon nitride is used as a passivation layer with a high diffusion barrier against water and sodium ions, both of which are major sources of corrosion and instability in microelectronics. One of the major applications of sintered silicon nitride is in automobile industry as a material for engine parts. The material is also used as bearings.","specialNotes":null,"specialNotesProduct":false,"sds":"public/sds/Si3N4.pdf","smiles":null,"inchi":null,"inchiKey":null,"molecularWeight":null,"iupac":null,"eccn":null,"hts":null,"atomicNumber":null,"atomicWeight":"140.28 g/mol","meltingPoint":"1900 °C (sublimes)","boilingPoint":null,"density":"3.17 g/cm³","crystalStructure":"Hexagonal (alpha and beta phases)","colorAppearance":"Grey or off-white powder","thermalConductivity":"20-30 W/(m·K)","electricalResistivity":"10^12 - 10^14 Ω·cm","coefficientOfExpansion":"3.3 x 10^-6 /°C","electronegativity":null,"neutronCrossSection":null,"electronConfiguration":null,"createdAt":"2023-05-08T18:11:48.000Z","updatedAt":"2026-04-28T21:29:47.021Z","deleted":false,"deletedAt":null,"userChangedById":null,"customContent":null,"displayFormula":null,"bottomText":null,"isAiData":true,"isHazmatAsPowder":false,"hazmatAsPowder":null,"tags":[{"id":17,"name":"Infrared Optical Materials","link":"optics_ir_chemical","type":"chemical"},{"id":32,"name":"Solar","link":"solar_chemical","type":"chemical"},{"id":58,"name":"Semiconductor","link":"semiconductor_chemical","type":"chemical"},{"id":82,"name":"TFT Display","link":"tft_display_chemical","type":"chemical"},{"id":152,"name":"Nitride","link":"nitride_chemical","type":"chemical"},{"id":259,"name":"Ceramics","link":"ceramic_chemical","type":"chemical"},{"id":279,"name":"Refractory Material","link":"refractory_material_chemical","type":"chemical"},{"id":296,"name":"Specialty Inorganics","link":"specialty_inorganics_chemical","type":"chemical"},{"id":300,"name":"Alloys","link":"alloys_chemical","type":"chemical"},{"id":308,"name":"3D Printing","link":"3d_printing_chemical","type":"chemical"},{"id":381,"name":"Aerospace","link":"aerospace_chemical","type":"chemical"},{"id":419,"name":"Refractory Metals and Compounds","link":"refractory_chemicals","type":"chemical"},{"id":420,"name":"Evaporation Deposition Materials ","link":"evaporationdepositionmaterials_chemicals","type":"chemical"},{"id":421,"name":"Optical Coating Materials","link":"opticalcoatingmaterials_chemicals","type":"chemical"}]},"userChangedBy":null,"ProductPrice":[{"id":155417,"productId":6779,"price":195.5,"quantity":500,"um":"g","locked":false,"isShow":true,"createdAt":"2021-09-14T20:51:07.000Z","updatedAt":"2021-09-14T20:51:07.000Z","bulkAvailable":null,"bulkAvailability":false,"packaging":null,"customerId":null,"type":"default","version":1,"quoteId":null},{"id":155418,"productId":6779,"price":340,"quantity":1,"um":"kg","locked":false,"isShow":true,"createdAt":"2021-09-14T20:51:07.000Z","updatedAt":"2021-09-14T20:51:07.000Z","bulkAvailable":null,"bulkAvailability":false,"packaging":null,"customerId":null,"type":"default","version":1,"quoteId":null},{"id":155419,"productId":6779,"price":632.4,"quantity":2,"um":"kg","locked":false,"isShow":true,"createdAt":"2021-09-14T20:51:07.000Z","updatedAt":"2021-09-14T20:51:07.000Z","bulkAvailable":null,"bulkAvailability":false,"packaging":null,"customerId":null,"type":"default","version":1,"quoteId":null},{"id":155420,"productId":6779,"price":1479,"quantity":5,"um":"kg","locked":false,"isShow":true,"createdAt":"2021-09-14T20:51:07.000Z","updatedAt":"2021-09-14T20:51:07.000Z","bulkAvailable":null,"bulkAvailability":false,"packaging":null,"customerId":null,"type":"default","version":1,"quoteId":null},{"id":155421,"productId":6779,"price":2788,"quantity":10,"um":"kg","locked":false,"isShow":true,"createdAt":"2021-09-14T20:51:07.000Z","updatedAt":"2021-09-14T20:51:07.000Z","bulkAvailable":null,"bulkAvailability":false,"packaging":null,"customerId":null,"type":"default","version":1,"quoteId":null},{"id":155422,"productId":6779,"price":5100,"quantity":20,"um":"kg","locked":false,"isShow":true,"createdAt":"2021-09-14T20:51:07.000Z","updatedAt":"2021-09-14T20:51:07.000Z","bulkAvailable":null,"bulkAvailability":false,"packaging":null,"customerId":null,"type":"default","version":1,"quoteId":null}],"Vendor":[],"tags":[{"id":2,"link":"specialty-inorganics_product","name":"Specialty-Inorganics","description":"","text":null,"image":null,"icon":null,"type":"product","toShowOnMainPage":false,"showImageAndDescription":true,"createdAt":"2024-08-12T22:58:50.192Z","updatedAt":"2025-03-21T19:08:28.627Z","deletedAt":null,"userChangedById":null},{"id":3,"link":"powder_product","name":"Powder","description":"","text":null,"image":null,"icon":null,"type":"product","toShowOnMainPage":false,"showImageAndDescription":true,"createdAt":"2024-08-12T22:58:50.192Z","updatedAt":"2025-03-21T19:08:28.627Z","deletedAt":"2025-03-21T19:08:28.627Z","userChangedById":null}],"favorites":[]}