sodium azide

Also known as potaxio, azium, sodium salt of hydrazoic acid, hydrazoic acid, sodium salt, NaN3

chemical compound

Chemical data

Formula: N3Na
Molecular weight: 65.01 g/mol
IUPAC name: sodium azide
SMILES: [N-]=[N+]=[N-].[Na+]
InChIKey: PXIPVTKHYLBLMZ-UHFFFAOYSA-N
Polar surface area: 3 Å²
H-bond donors: 0
H-bond acceptors: 2
Formal charge: 0

via PubChem

Research

5,895 papers

Sodium azide poisoning: a narrative review.Clinical toxicology (Philadelphia, Pa.) · 2021
Comment on sodium azide poisoning.Clinical toxicology (Philadelphia, Pa.) · 2022
[Sodium azide].Nihon rinsho. Japanese journal of clinical medicine · 2004
Sodium azide/nitrite suicides in the Netherlands between 2015 and 2022.Journal of forensic and legal medicine · 2025
[Sodium azide].Nihon rinsho. Japanese journal of clinical medicine · 1999

via PubMed

Wikidata facts

Mass: 64.999

Show 12 more facts

UN class: 6.1
UN packaging group: II
ceiling exposure limit: 0.3
canonical SMILES: [N-]=[N+]=[N-].[Na+]
UN classification code: T5
NIOSH Pocket Guide ID: 0560
density: 1.85
decomposition point: 527
solubility: 42
ionization energy: 11.7
chemical formula: NaN₃
Commons category: Sodium azide

Sources (5)

via Wikidata · CC0

~9 min read

Article

Sodium azide is an inorganic compound with the formula NaN3. This colorless salt is the gas-forming component in some car airbag systems. It is used for the preparation of other azide compounds. It is highly soluble in water and is acutely poisonous.

Structure