sodium nitrate

chemical compound

Class type of: nitrate salt, sodium salt Q184373

Facts

18 properties

Instance of: type of chemical entity
Subclass of: nitrate salt, sodium salt
Has use: food additive
Canonical SMILES: [N+](=O)([O-])[O-].[Na+]
Chemical formula: NaNO₃
Decomposition point: +380
Density: +2.257
Described by source: Meyers Konversations-Lexikon, 4th edition (1885–1890), Armenian Soviet Encyclopedia, vol. 8
Different from: sodium nitrite
Has part(s): nitrogen, oxygen, sodium
Mass: +84.978
Melting point: +308, +307
Mohs' hardness: +2
Molar fusion enthalpy: +16
On focus list of Wikimedia project: Wikipedia:Vital articles/Level/4
Safety classification and labelling: NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response
Standard enthalpy of formation: -257
Subject has role: carcinogen

🏷️ Also known as

en Nitric acid sodium salt (1:1) en Nitrate of soda en Nitric acid, sodium salt en Nitric acid monosodium salt en Sodium saltpeter en sodium nitrate en Niter en Sodium(I) nitrate (1:1) en Chile saltpeter en Cubic niter ar Sodium nitrate ar E251 ar نترات صوديوم ar نترات الصوديوم ar NaNO3 ar ملح بيتر تشيلي cs NaNO3 cs Chilský ledek cs Nitratin cs E251

🔖 Identifiers · 57

GND ID: 4171271-7
OpenAlex ID: C2779112757
Image (Wikimedia Commons): Chilisalpeter (Sodium nitrate).jpg ↗
Art & Architecture Thesaurus ID: 300380568
BNCF Thesaurus ID: 42940
CAMEO Chemicals ID: 1509
CAS Registry Number: 7631-99-4
ChEBI ID: 63005
ChEMBL ID: CHEMBL1644698
ChemSpider ID: 22688
CosIng number: 59379
DSSTOX compound identifier: DTXCID60937

Show all 57 identifiers +45

DSSTox substance ID: DTXSID6020937
Dewey Decimal Classification: 553.64
DrugBank ID: DB15952
E number: E251
EC number: 231-554-3
ECHA Substance Infocard ID: 100.028.686
Elhuyar ZTH ID: 033936
Encyclopædia Britannica Online ID: science/Chile-saltpetre
Freebase ID: /m/01cfyd
Gran Enciclopèdia Catalana ID: nitrat-de-sodi
Gran Enciclopèdia Catalana ID (former scheme): 0154257
Great Norwegian Encyclopedia ID: natriumnitrat
Great Russian Encyclopedia Online ID (2017): 2251321
HSDB ID: 726
Human Metabolome Database ID: HMDB0303521
ICSC ID: 0185
InChI: InChI=1S/NO3.Na/c2-1(3)4;/q-1;+1
InChIKey: VWDWKYIASSYTQR-UHFFFAOYSA-N
JSTOR topic ID (archived): sodium-nitrates
KBpedia ID: SodiumNitrate
Kemler code: 50
MeSH descriptor ID: C031618
Microsoft Academic ID (discontinued): 2779112757
Museum-digital tag ID: 55875
NDF-RT ID: N0000148203
NSC number: 77390
Open Food Facts food additive ID: e251-sodium-nitrate
Open Food Facts ingredient ID: sodium-nitrate
PesticideInfo chemical ID: PRI5838
Probes And Drugs ID: PD143822
PubChem CID: 24268, 517680
Quora topic ID: Sodium-Nitrate-1
RTECS number: WC5600000
Reaxys registry number: 11343077
RxNorm CUI: 36700
Spanish Cultural Heritage thesauri ID: materias/1030986
Spectral Database for Organic Compounds ID: 40144
SureChEMBL ID: 31195
UK Parliament thesaurus ID: 558263
UMLS CUI: C0074748
UN number: 1498
UNII: 8M4L3H2ZVZ
Wolfram Language entity code: Entity["Concept", "SodaNiter::wn267"]
Yale LUX ID: concept/4337e862-e2b7-49ab-b84d-2e434515410e
ZVG number: 1810

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections

Has part(s) 3

oxygen, nitrogen, sodium

Belongs to 1

nitratine

Different from 1

sodium nitrite

Has use 1

food additive

On focus list of Wikimedia project 1

Wikipedia:Vital articles/Level/4

Subclass of 1

chemical compound

Subject has role 1

carcinogen

← Different from 1

sodium nitrite

← Product or material produced 1

Chemická továrna

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Summary

sodium nitrate is a type of chemical entity^[1]. It is a type of nitrate salt^[2] and sodium salt^[3].

Key Facts

Canonical SMILES: N+([O-])[O-].[Na+]^{N+([O-])[O-].[Na+]">[4]}
Chemical formula: NaNO₃^[5]
Has use: food additive^[6]
Has part(s): nitrogen^[7], oxygen^[8], sodium^[9]
Mohs' hardness: 2^[10]
Described by source: Meyers Konversations-Lexikon, 4th edition (1885–1890)^[11], Armenian Soviet Encyclopedia, vol. 8^[12]
Different from: sodium nitrite^[13]
Density: 2.257 gram per cubic centimetre^[14]
Molar fusion enthalpy: 16 kilojoule per mole^[15]
Mass: 84.978 dalton^[16]
Melting point: 308 °C^[17], 307 °C^[18]
Decomposition point: 380 °C^[19]
Subject has role: carcinogen^[20]
Standard enthalpy of formation: -257 kilojoule per mole^[21]
Safety classification and labelling: NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response^[22]
On focus list of Wikimedia project: Wikipedia:Vital articles/Level/4^[23]

References

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

Direct Wikidata claims

[4] ↑ sodium nitrate — canonical SMILES (P233): [N+](=O)([O-])[O-].[Na+]. PubChem. Retrieved 2016-11-18. wikidata.org.
[5] ↑ sodium nitrate — chemical formula (P274): NaNO₃. PubChem. Retrieved 2016-11-18. wikidata.org.
[2] ↑ sodium nitrate — subclass of (P279): nitrate salt. wikidata.org.
[3] ↑ sodium nitrate — subclass of (P279): sodium salt. wikidata.org.
[6] ↑ sodium nitrate — has use (P366): food additive. wikidata.org.
[7] ↑ sodium nitrate — has part(s) (P527): nitrogen. wikidata.org.
[8] ↑ sodium nitrate — has part(s) (P527): oxygen. wikidata.org.
[9] ↑ sodium nitrate — has part(s) (P527): sodium. wikidata.org.
[10] ↑ sodium nitrate — Mohs' hardness (P1088): 2. wikidata.org.
[11] ↑ sodium nitrate — described by source (P1343): Meyers Konversations-Lexikon, 4th edition (1885–1890). wikidata.org.
[12] ↑ sodium nitrate — described by source (P1343): Armenian Soviet Encyclopedia, vol. 8. wikidata.org.
[13] ↑ sodium nitrate — different from (P1889): sodium nitrite. wikidata.org.
[14] ↑ sodium nitrate — density (P2054): 2.257 gram per cubic centimetre. wikidata.org.
[15] ↑ sodium nitrate — molar fusion enthalpy (P2066): 16 kilojoule per mole. wikidata.org.
[16] ↑ sodium nitrate — mass (P2067): 84.978 dalton. PubChem. Retrieved 2016-11-18. wikidata.org.
[17] ↑ sodium nitrate — melting point (P2101): 308 °C. wikidata.org.
[18] ↑ sodium nitrate — melting point (P2101): 307 °C. Basic laboratory and industrial chemicals: A CRC quick reference handbook. wikidata.org.
[19] ↑ sodium nitrate — decomposition point (P2107): 380 °C. wikidata.org.
[20] ↑ sodium nitrate — subject has role (P2868): carcinogen. Medical Subject Headings. Retrieved 2018-03-15. wikidata.org.
[21] ↑ sodium nitrate — standard enthalpy of formation (P3078): -257 kilojoule per mole. wikidata.org.
[22] ↑ sodium nitrate — safety classification and labelling (P4952): NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response. wikidata.org.
[23] ↑ sodium nitrate — on focus list of Wikimedia project (P5008): Wikipedia:Vital articles/Level/4. wikidata.org.

Class ancestry

[1] ↑ sodium nitrate is an instance of type of chemical entity (Q113145171) [P31, primary]. Wikidata. wikidata.org.

📑 Cite this page

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). sodium nitrate. Retrieved November 7, 2026, from https://4ort.xyz/entity/sodium-nitrate

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

BibTeX

@misc{4ortxyz_sodium-nitrate_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{sodium nitrate}}, year = {2026}, url = {https://4ort.xyz/entity/sodium-nitrate}, note = {Accessed: 2026-11-07}}

LLM prompt

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

Canonical URL: https://4ort.xyz/entity/sodium-nitrate · 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.

8d ago · MatSuBot bot · 2026-11-02 view diff on Wikidata ↗

"Changed labels, descriptions or aliases: import labels from sitelinks"
6w ago · KrBot bot · 2026-09-26 view diff on Wikidata ↗

ZVG number → 1810

"Changed claim: ZVG number: 1810, см. / see autofix на / on P679"
6w ago · Mrwdat3 · 2026-09-23 view diff on Wikidata ↗

ZVG number → 1810

"Created claim: ZVG number: 001810, batch #275042"
22w ago · Humoyun Qodirov · 2026-06-04 view diff on Wikidata ↗

Subclass of → nitrate salt, sodium salt

"Merged from another item"
26w ago · Intolerable situation · 2026-05-12 view diff on Wikidata ↗

Instance of → type of chemical entity

Decomposition point → 380 degree Celsius

Has part(s) → nitrogen, oxygen, sodium

Has use → food additive

+ 12 other properties edited (see Wikidata diff for full list)

"Changed claim: Subclass of: nitrate salt"

Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.