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Monopotassium Phosphate
CAS: 7778-77-0 | H3KO4P
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
7778-77-0
Molecular Formula:
H3KO4P
Molecular Mass:
137.09 g/mol
Names and Synonyms:
Monopotassium Phosphate
Phosphoric acid, potassium salt (1:1)
Phosphoric acid, monopotassium salt
Monopotassium phosphate
Potassium acid phosphate
Potassium biphosphate
Potassium dihydrogen phosphate
Sorensen's potassium phosphate
Monopotassium orthophosphate
Potassium phosphate (K(H2PO4))
Potassium dihydrogen phosphate (KH2PO4)
KDP
Monobasic potassium phosphate
Monopotassium dihydrogen phosphate
Dihydrogen potassium phosphate
Potassium dihydrogen orthophosphate
Potassium hydrogen phosphate (KH2PO4)
Potassium diphosphate
Potassium monobasic phosphate (KH2PO4)
Potassium phosphate monobasic
Nutri-Vant-PeaK
Monopotassium dihydrogen orthophosphate
MKP
Hydrogen potassium phosphate (H2KPO4)
Identifiers:
SMILES:
O=P(O)(O)O.[K]
InChI:
InChI=1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)
Key Properties
Melting Point
253 °C
CAS Common Chemistry
Density
2.34 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 | 137.09 g/mol | CAS Common Chemistry |
| 137.09199999999998 g/mol | RDKit | |
| 136.940601886 g/mol | RDKit | |
| Density | 2.34 g/cm³ | CAS Common Chemistry |
| 2.34 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Monopotassium_phosphate | CAS Common Chemistry |
| Canonical SMILES | [K].O=P(O)(O)O | CAS Common Chemistry |
| InChI | InChI=1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4) | CAS Common Chemistry |
| InChI Key | InChIKey=PJNZPQUBCPKICU-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 253 °C | CAS Common Chemistry |
| Name | Monopotassium phosphate | CAS Common Chemistry |
| Heavy Atom Count | 6 | RDKit |
| Hydrogen Bond Acceptors | 1 | RDKit |
| Hydrogen Bond Donors | 3 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 77.76 Ų | RDKit |
| LogP | -1.3094000000000001 | RDKit |
| Molar Refractivity | 20.0169 | RDKit |
