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Potassium Pyrophosphate
CAS: 7320-34-5 | H4K4O7P2
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
7320-34-5
Molecular Formula:
H4K4O7P2
Molecular Mass:
334.37 g/mol
Names and Synonyms:
Potassium Pyrophosphate
Diphosphoric acid, potassium salt (1:4)
Pyrophosphoric acid, tetrapotassium salt
Diphosphoric acid, tetrapotassium salt
Phosphosol
Potassium pyrophosphate
Tetrapotassium pyrophosphate
Tetrakalium pyrophosphate
Tetrapotassium diphosphate
Potassium phosphate (K4P2O7)
Potassium diphosphate (K4P2O7)
E 450v
Potassium metaphosphate oxide (K4(PO3)2O)
Identifiers:
SMILES:
O=P(O)(O)OP(=O)(O)O.[K].[K].[K].[K]
InChI:
InChI=1S/4K.H4O7P2/c;;;;1-8(2,3)7-9(4,5)6/h;;;;(H2,1,2,3)(H2,4,5,6)
Key Properties
Melting Point
1090 °C
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 | 334.37 g/mol | CAS Common Chemistry |
| 334.36500000000007 g/mol | RDKit | |
| 333.798052448 g/mol | RDKit | |
| Canonical SMILES | [K].O=P(O)(O)OP(=O)(O)O | CAS Common Chemistry |
| InChI | InChI=1S/4K.H4O7P2/c;;;;1-8(2,3)7-9(4,5)6/h;;;;(H2,1,2,3)(H2,4,5,6) | CAS Common Chemistry |
| InChI Key | InChIKey=SVUBBMULKFSENH-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 1090 °C | CAS Common Chemistry |
| Name | Potassium pyrophosphate | CAS Common Chemistry |
| Heavy Atom Count | 13 | RDKit |
| Hydrogen Bond Acceptors | 3 | RDKit |
| Hydrogen Bond Donors | 4 | RDKit |
| Rotatable Bonds | 2 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 124.29000000000002 Ų | RDKit |
| LogP | -2.3348000000000004 | RDKit |
| Molar Refractivity | 48.1892 | RDKit |
