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EntityQ184373· pop 61· linked from 624 articles

sodium nitrate

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Also known as Nitric acid sodium salt (1:1), Sodium saltpeter, Nitric acid, sodium salt, Nitrate of soda, Nitric acid monosodium salt, Sodium(I) nitrate (1:1), Cubic niter, Niter

chemical compound

OverviewAI-generated

Sodium nitrate is a chemical compound with the formula NaNO₃. It has a molar mass of 84.978 and a density of 2.257. The substance exhibits a Mohs' hardness of 2. Its melting point is 308, while its decomposition point is 380. The standard enthalpy of formation is -257, and the molar fusion enthalpy is 16.

In terms of molecular structure, sodium nitrate has a charge of 0. It contains three hydrogen bond acceptors and no hydrogen bond donors. The topological polar surface area is 62.9. The canonical SMILES representation is [N+](=O)([O-])[O-].[Na+].

The compound is referenced by 624 other encyclopedia articles. Additionally, there are 1599 related entries in the PubMed database.

Synthesized by Vinony from 22 facts across 4 sources: Wikidata, PubChem, PubMed, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.

Chemical data

Formula: NNaO3
Molecular weight: 84.995 g/mol
IUPAC name: sodium nitrate
SMILES: [N+](=O)([O-])[O-].[Na+]
InChIKey: VWDWKYIASSYTQR-UHFFFAOYSA-N
Polar surface area: 62.9 Å²
H-bond donors: 0
H-bond acceptors: 3
Formal charge: 0

via PubChem

Research

1,599 papers

Sodium nitrate protects against metabolic syndrome by sialin-mediated macrophage rebalance.Signal transduction and targeted therapy · 2025Li S, Wang Y, Zhang Z et al.DOI: 10.1038/s41392-025-02418-1
Exploring sodium nitrate supplementation in enhancing nitric oxide bioavailability and reducing oxidative stress: implications for blood pressure and endothelial dysfunction in hypertension.ReviewEuropean journal of pharmacology · 2025Minari TP, Pisani LPDOI: 10.1016/j.ejphar.2025.177702
Sodium nitrate supplementation improves blood pressure reactivity in patients with peripheral artery disease.Nutrition, metabolism, and cardiovascular diseases : NMCD · 2022Hughes WE, Treichler DP, Ueda K et al.DOI: 10.1016/j.numecd.2021.12.002
Sodium nitrate decreases agrin-induced acetylcholine receptor clustering.BMC pharmacology & toxicology · 2016Jarosz J, White C, Grow WADOI: 10.1186/s40360-016-0062-0
Study on ionic association behavior in sodium nitrate solution.Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy · 2023Li J, Sheng L, Wang Q et al.DOI: 10.1016/j.saa.2022.121888
Sodium nitrate as a methanogenesis suppressor in earthen separator microbial fuel cell treating rice mill wastewater.Environmental science and pollution research international · 2022Bagchi S, Sahoo RN, Behera MDOI: 10.1007/s11356-021-14940-0
Glycine sodium nitrate.Acta crystallographica. Section C, Crystal structure communications · 2001Krishnakumar RV, Subha Nandhini M, Natarajan S et al.DOI: 10.1107/s0108270101011520
Impact of methemoglobin on carboxyhemoglobin saturation measurement in fatal sodium nitrate and sodium nitrite cases.Journal of analytical toxicology · 2023Desrosiers NA, Chow BLCDOI: 10.1093/jat/bkad067

Wikidata facts

Subclass of: chemical compound
Has part: sodium
Mass: 84.978
Image: Chilisalpeter (Sodium nitrate).jpg
Has use: food additive

Show 12 more facts

molar fusion enthalpy: 16
Commons category: Sodium nitrate
canonical SMILES: [N+](=O)([O-])[O-].[Na+]
chemical formula: NaNO₃
density: 2.257
Mohs' hardness: 2
melting point: 307
decomposition point: 380
standard enthalpy of formation: -257
subject has role: carcinogen
on focus list of Wikimedia project: Wikipedia:Vital articles/Level/4
different from: sodium nitrite

Sources (5)

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Encyclopedic overview

Names

IUPAC name Sodium nitrate

Excerpted from Wikipedia’s “sodium nitrate” article, available under the CC BY-SA 4.0 licence.

Gallery (9)

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