Potassium nitrate

KNO3CAS 7757-79-1101.10 g/mol

O−N+O−OK+
Nitro

Properties

Molecular formula
KNO3
Molar mass
101.10 g/mol
Exact mass
100.9515 Da
Density
2.109 g/mL (at 16 °C)
Melting point
334 °C
logP
-0.73Crippen estimate
Polar surface area
63.4 Ų
H-bond donors / acceptors
1 / 2
Rotatable bonds
0

Hazards

No GHS classification is on file for this compound. That is not evidence that it is harmless. Search the SDS library

Identifiers

CAS number
7757-79-1
SMILES
[O-][N+]([O-])=O.[K+]
InChI

The InChI we hold for this record describes the parent acid and the metal separately rather than the salt above, so it is not shown here.

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Names and synonyms

12 names
  • Nitric acid potassium salt (1:1)
  • Nitric acid potassium salt
  • Potassium nitrate (1:1)
  • Nitre
  • Niter
  • Saltpeter
  • Collo-bo
  • Nitric acid, potassium salt
  • E 252
  • Krista K
  • Krista K plus
  • Nitrokalite

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Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

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