Sodium azide

CAS Registry Number®

26628-22-8

CAS Name

Sodium azide

Molecular Formula

N3Na

Molecular Mass

65.01

Cite this Page

Sodium azide.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=26628-22-8 (retrieved 2025-05-12) (CAS RN: 26628-22-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    275 °C (decomp)

  • Density (1)

    1.846 g/cm³ @ Temp: 20 °C

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/N3.Na/c1-3-2;/q-1;+1

InChIKey

InChIKey=PXIPVTKHYLBLMZ-UHFFFAOYSA-N

SMILES

[N+](=N[Na])=[N-]

Canonical SMILES

[N-]=[N+]=N[Na]

Other Names for this Substance

  • Sodium azide (Na(N3))
  • Sodium azide
  • Hydrazoic acid, sodium salt
  • Nemazyd
  • NSC 3072

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Deleted or Replaced CAS Registry Numbers

108592-00-3, 12136-89-9, 20828-18-6, 503002-54-8, 575502-02-2, 157302-08-4

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