334103
Silicon nitride
powder, ≥99.9% trace metals basis
Sinonimo/i:
Trisilicon tetranitride
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About This Item
Formula condensata:
Si3N4
Numero CAS:
Peso molecolare:
140.28
Numero CE:
Numero MDL:
Codice UNSPSC:
12352300
ID PubChem:
NACRES:
NA.23
Prodotti consigliati
Livello qualitativo
Saggio
≥99.9% trace metals basis
Forma fisica
powder
Dimensione particelle
<1 μm
Densità
3.44 g/mL at 25 °C (lit.)
Stringa SMILE
N12[Si]34N5[Si]16N3[Si]25N46
InChI
1S/N4Si3/c1-5-2-6(1)3(5)7(1,2)4(5)6
HQVNEWCFYHHQES-UHFFFAOYSA-N
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Descrizione generale
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.
Codice della classe di stoccaggio
11 - Combustible Solids
Classe di pericolosità dell'acqua (WGK)
nwg
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Dispositivi di protezione individuale
dust mask type N95 (US), Eyeshields, Gloves
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A nanophotonic polarization-independent visible wavelength filter is presented, incorporating a symmetric metal-dielectric resonant structure on quartz substrate, where a sub-wavelength grating, made up of a two-dimensional array of Al square sheets, is integrated with a Si(3)N(4) slab waveguide via an
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