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Potassium Nitrate
CAS: 7757-79-1 | HKNO3
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
7757-79-1
Molecular Formula:
HKNO3
Molecular Mass:
102.11 g/mol
Names and Synonyms:
Potassium Nitrate
Nitric acid potassium salt (1:1)
Nitric acid potassium salt
Potassium nitrate (1:1)
Nitre
Niter
Potassium nitrate
Saltpeter
Collo-Bo
Nitric acid, potassium salt
E 252
Krista K
Krista K Plus
Nitrokalite
Identifiers:
SMILES:
O=[N+]([O-])O.[K]
InChI:
InChI=1S/K.HNO3/c;2-1(3)4/h;(H,2,3,4)
Key Properties
Melting Point
334 °C
CAS Common Chemistry
Density
2.11 g/cm³
CAS Common Chemistry
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 102.11 g/mol | CAS Common Chemistry |
| 102.11000000000001 g/mol | RDKit | |
| 101.95934957200001 g/mol | RDKit | |
| Density | 2.11 g/cm³ | CAS Common Chemistry |
| 2.109 g/cm3 @ Temp: 16 °C | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Potassium_nitrate | CAS Common Chemistry |
| Canonical SMILES | [K].O=N(=O)O | CAS Common Chemistry |
| InChI | InChI=1S/K.HNO3/c;2-1(3)4/h;(H,2,3,4) | CAS Common Chemistry |
| InChI Key | InChIKey=IRPDISVJRAYFBI-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 334 °C | CAS Common Chemistry |
| Name | Potassium nitrate | CAS Common Chemistry |
| Heavy Atom Count | 5 | RDKit |
| Hydrogen Bond Acceptors | 2 | RDKit |
| Hydrogen Bond Donors | 1 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 63.370000000000005 Ų | RDKit |
| LogP | -0.7285000000000001 | RDKit |
| Molar Refractivity | 14.5349 | RDKit |
