silicon nitride

compound of silicon and nitrogen

Class type of: nitride compound, silicon compound Q413828

silicon nitride — David W. Richerson and Douglas W. Freitag; Oak Ridge National Laboratory (federal lab.) · Public Domain · Wikimedia

Facts

9 properties

Subclass of: nitride compound, silicon compound^[3]^[4]
Canonical SMILES: N12[Si]34N5[Si]16N3[Si]25N46^[1]
Chemical formula: N₄Si₃^[2]
Density: +3.44^[7]
Has part(s): nitrogen, silicon^[5]^[6]
Mass: +139.943076^[8]
Melting point: +2173.15^[9]
Standard enthalpy of formation: -744.75^[11]
Subject has role: occupational air pollutants^[10]

🏷️ Also known as

en N₄Si₃ en silicon nitride ar نتريد السيليكون cs Si3N4 cs nitrid křemíku cs nitrid křemičitý de Siliziumnitrid de Si3N4 de Siliciumnitrid es nitruro de silicio fa سیلیکون نیترید fi piinitridi fr nitrure de silicium fr Si3N4 hi सिलिकॉन नाइट्राइड id Silikon nitrida it Nitruro di silicio ja ニエル石 ja 窒化ケイ素 ko 질화 규소

🔖 Identifiers · 22

OpenAlex ID: C2777431650
CAS Registry Number: 12033-89-5
COD ID: 2102550
ChemSpider ID: 2341213
DSSTOX compound identifier: DTXCID101079316
DSSTox substance ID: DTXSID20892247
EC number: 234-796-8
ECHA Substance Infocard ID: 100.031.620
Encyclopædia Britannica Online ID: science/reaction-bonded-silicon-nitride
Freebase ID: /m/0961pj
Great Russian Encyclopedia Online ID (2017): 2109283
InChI: InChI=1S/N4Si3/c1-5-2-6(1)3(5)7(1,2)4(5)6

Show all 22 identifiers +10

InChIKey: HQVNEWCFYHHQES-UHFFFAOYSA-N
JSTOR topic ID (archived): silicon-nitrides
KBpedia ID: SiliconNitride
MeSH descriptor ID: C032734
Microsoft Academic ID (discontinued): 2777431650
PubChem CID: 3084099
SureChEMBL ID: 15207
UMLS CUI: C0074525
UNII: QHB8T06IDK
UniChem compound ID: 23225562

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🔗 Connections

Has part(s) 2

nitrogen, silicon

Subclass of 1

chemical compound

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References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA

4ort.xyz Knowledge Graph. (2026). silicon nitride. Retrieved November 7, 2026, from https://4ort.xyz/entity/silicon-nitride

MLA “silicon nitride.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 Nov. 2026, https://4ort.xyz/entity/silicon-nitride.

BibTeX

@misc{4ortxyz_silicon-nitride_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{silicon nitride}}, year = {2026}, url = {https://4ort.xyz/entity/silicon-nitride}, note = {Accessed: 2026-11-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): silicon nitride — https://4ort.xyz/entity/silicon-nitride (retrieved 2026-11-07)

Canonical URL: https://4ort.xyz/entity/silicon-nitride · Last refreshed: November 7, 2026

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

9w ago · Baum64 · 2026-09-06 view diff on Wikidata ↗

COD ID → 2102550

Melting point → 2,173.15

Subclass of → nitride compound, silicon compound

Density → 3.44

+ 1 other property edited (see Wikidata diff for full list)

"Created claim: COD ID: 2102550, batch #271193"
9w ago · Baum64 · 2026-09-06 view diff on Wikidata ↗

Has part(s) → nitrogen, silicon

Mass → 139.943076

Subclass of → nitride compound, silicon compound

Subject has role → occupational air pollutants

"Removed claim: Instance of: type of chemical entity"

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