Potassium nitrate

CAS Registry Number®

7757-79-1
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CAS Name

Potassium nitrate

Molecular Formula

HNO3.K

Cite this Page

Potassium nitrate.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=7757-79-1 (retrieved 2024-04-19) (CAS RN: 7757-79-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    334 °C
  • Density (1)

    2.109 g/cm³ @ Temp: 16 °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/K.HNO3/c;2-1(3)4/h;(H,2,3,4)

InChIKey

InChIKey=IRPDISVJRAYFBI-UHFFFAOYSA-N

SMILES

N(=O)(=O)O.[K]

Canonical SMILES

[K].O=N(=O)O

Other Names for this Substance

  • Nitric acid potassium salt (1:1)
  • Nitric acid potassium salt
  • Potassium nitrate (1:1)
  • Nitre
  • Niter

Deleted or Replaced CAS Registry Numbers

96193-83-8

CAS INSIGHTSTM
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