Sodium azide

NaN3CAS 26628-22-865.01 g/mol

NNN−Na+

Properties

Molecular formula
NaN3
Molar mass
65.01 g/mol
Exact mass
64.9990 Da
Density
1.846 g/mL (at 20 °C)
Melting point
275 °C (decomposes)
pKa
4.8
Water solubility
410 g/L (17 °C)
logP
-3.00Crippen estimate
Polar surface area
57.0 Ų
H-bond donors / acceptors
0 / 1
Rotatable bonds
0

Hazards

Danger
Acute Toxic (GHS06)Environmental Hazard (GHS09)

Harmonised EU classification (CLP Annex VI, index 011-004-00-7), via PubChem.

Precautionary statements

P264, P270, P273, P301+P316, P321, P330, P391, P405, P501

Identifiers

CAS number
26628-22-8
SMILES
[N]N=[N-].[Na+]
InChIKey
PXIPVTKHYLBLMZ-UHFFFAOYSA-N
InChI
InChI=1S/N3.Na/c1-3-2;/q-1;+1

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

7 names
  • Sodium azide (Na(N3))
  • Hydrazoic acid, sodium salt
  • Nemazyd
  • NSC 3072
  • SEP 100
  • Agrizide
  • Micro-O-protect

Safety data sheets

One stored sheet lists this compound in section 3, matched by the CAS number 26628-22-8. Each row opens the sheet with its composition and PDF.

Work with Sodium azide

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue.

Elsewhere