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334103

Sigma-Aldrich

Silicon nitride

powder, ≥99.9% trace metals basis

Synonym(s):

Trisilicon tetranitride

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25 G
¥15,800
100 G
¥28,700

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Estimated to ship onJanuary 31, 2025Details

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25 G
¥15,800
100 G
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About This Item

Linear Formula:
Si3N4
CAS Number:
12033-89-5
Molecular Weight:
140.28
EC Number:
234-796-8
MDL number:
MFCD00011230
UNSPSC Code:
12352300
PubChem Substance ID:
24860055
NACRES:
NA.23

¥15,800

Estimated to ship onJanuary 31, 2025Details

Request a Bulk Order

Quality Level

100

Assay

≥99.9% trace metals basis

form

powder

particle size

<1 μm

density

3.44 g/mL at 25 °C (lit.)

SMILES string

N12[Si]34N5[Si]16N3[Si]25N46

InChI

1S/N4Si3/c1-5-2-6(1)3(5)7(1,2)4(5)6

InChI key

HQVNEWCFYHHQES-UHFFFAOYSA-N

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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.[1]

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

334103-100G:
334103-25G:
334103-BULK:
334103-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
STBL0734
STBK4327
STBJ8577
STBH7273
STBH3880

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Synthesis of cubic silicon nitride
Zerr A, et al
Nature, 400, 340-342 null
Silicon Nitride and Related Materials
Riley FR
Journal of the American Ceramic Society. American Ceramic Society, 83(2), 245-265 (2000)
Chang-Hyun Park et al.
Optics express, 20(21), 23769-23777 (2012-11-29)
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
Simone P Rodrigues et al.
Journal of materials science. Materials in medicine, 24(1), 231-239 (2012-10-12)
Commercial femoral head prostheses (cobalt-chromium alloy, yttria partially stabilized zirconia (Y-PSZ) and alumina) and new silicon nitride ceramic ones (nanocrystalline diamond coated and uncoated) were compared in terms of artifact level production by computed tomography (CT). Pelvis examination by CT
Nazar Ileri et al.
Physical chemistry chemical physics : PCCP, 15(3), 965-971 (2012-12-06)
Millimeter sized arrays of uniformly-distributed nanopores (180-220 nm) were created in thin (200 nm) silicon nitride membranes using interferometric lithography. Molecular transport properties of the fabricated devices were investigated experimentally and compared with those of state-of-the-art polycarbonate track etched membranes.
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