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sodium nitrite

chemical compound
Class type of: nitrite salt, sodium salt Q339975

Facts

12 properties
Instance of
type of chemical entity
Subclass of
nitrite salt, sodium salt[4][5]
Has use
food additive, medication, indicators and reagents, food preservative[6][7][8][9]
Canonical SMILES
N(=O)[O-].[Na+][2]
Chemical formula
NaNO₂[3]
Crystal system
orthorhombic crystal system[13]
Different from
sodium nitrate[14]
Has part(s)
nitrogen, sodium, oxygen[10][11][12]
Legal status (medicine)
boxed warning[17]
Mass
+68.982673[15]
Safety classification and labelling
Regulation (EC) No. 1272/2008, NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response[18][19]
Subject has role
WHO essential medicines[16]
🏷️ Also known as
en sodium nitrite en nitrous acid, sodium salt ar نتريت الصوديوم ar نتريت صوديوم cs dusitan sodný da natriumnitrit el νιτρώδες νάτριο es nitrito de sodio es nitrito sodico es nitrito sódico fa سدیم نیتریت fa سدیوم نیتریت fi natriumnitriitti fr nitrite de sodium fr nitrite de soude he ניטריט הנתרן he נתרן חנקיתי he נתרן ניטריטי he סודיום ניטריט hi सोडियम नाइट्राइट
🔖 Identifiers · 60
OpenAlex ID
C2777633056
Image (Wikimedia Commons)
Sodium nitrite crystals.jpg ↗
ATC code
V03AB08
Art & Architecture Thesaurus ID
300380259
BNCF Thesaurus ID
37365
CA PROP 65 ID
sodium-nitrite
CAB ID
224763
CAMEO Chemicals ID
4511
CAS Registry Number
7632-00-0
ChEBI ID
78870
ChEMBL ID
CHEMBL93268
ChemSpider ID
22689
Show all 60 identifiers +48
CosIng number
37980
DSSTOX compound identifier
DTXCID00941
DSSTox substance ID
DTXSID0020941
E number
E250
EC number
231-555-9
ECHA Substance Infocard ID
100.028.687
Electronic Essential Medicines List medicine ID
44
Encyclopedia of China (Third Edition) ID (2026)
12kzdw
Encyclopedia of China (Third Edition) old ID (2021)
120221
Freebase ID
/m/024mtq
Gran Enciclopèdia Catalana ID
nitrit-de-sodi
Gran Enciclopèdia Catalana ID (former scheme)
0154258
Great Norwegian Encyclopedia ID
natriumnitritt
Great Russian Encyclopedia Online ID (2017)
2251331
HCIS ID
4181
HSDB ID
757
Human Metabolome Database ID
HMDB0303548
ICSC ID
1120
InChI
InChI=1S/HNO2.Na/c2-1-3;/h(H,2,3);/q;+1/p-1
InChIKey
LPXPTNMVRIOKMN-UHFFFAOYSA-M
J-GLOBAL ID
200907044352714620
KBpedia ID
SodiumNitrite
KEGG ID
D05865
Kemler code
56
MeSH descriptor ID
D012977
MeSH tree code
D01.625.600.600.800, D01.857.775
Microsoft Academic ID (discontinued)
2777633056
NDF-RT ID
N0000145900
NSC number
77391
Namuwiki ID
아질산 나트륨
Nikkaji ID
J44.040J
Open Food Facts food additive ID
e250-sodium-nitrite
Open Food Facts ingredient ID
sodium-nitrite
PesticideInfo chemical ID
PRI5839
Probes And Drugs ID
PD009050
PubChem CID
23668193
RTECS number
RA1225000
Reaxys registry number
906771
RxNorm CUI
9894
Spectral Database for Organic Compounds ID
11315
SureChEMBL ID
341
UK Parliament thesaurus ID
576579
UMLS CUI
C0037532
UN number
1500
UNII
M0KG633D4F
UniChem compound ID
172200
WikiProjectMed ID
Sodium nitrite (medical use)
ZVG number
1380

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

🔗 Connections
Has part(s) 3
oxygen, nitrogen, sodium
Belongs to 2
Spam, Bullens pilsnerkorv
Has use 2
medication, food additive
Crystal system 1
orthorhombic crystal system
Different from 1
sodium nitrate
Legal status (medicine) 1
boxed warning
Safety classification and labelling 1
Regulation (EC) No. 1272/2008
Subject has role 1
WHO essential medicines
← Different from 1
sodium nitrate
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Summary

sodium nitrite is a type of chemical entity[1].

Related Entities

Bullens pilsnerkorv Spam

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . 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 nitrite. Retrieved November 7, 2026, from https://4ort.xyz/entity/sodium-nitrite
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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.

  1. 6w ago · KrBot bot · 2026-09-26 view diff on Wikidata ↗
    ZVG number → 1380
    "Changed claim: ZVG number: 1380, см. / see autofix на / on P679"
  2. 6w ago · Mrwdat3 · 2026-09-23 view diff on Wikidata ↗
    ZVG number → 1380
    "Created claim: ZVG number: 001380, batch #275042"
  3. 17w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    Encyclopedia of China (Third Edition) ID (2026) → 12kzdw
    "Changed the item: QuickStatements 3.0 batch #40849: ZGBK ID"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.