System: diphosphoric acid tetralithium salt/diphosphoric acid tetrapotassium salt/diphosphoric acid tetrasodium salt
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| 1) diphosphoric acid tetralithium salt |
| DECHEMA ID | 7540 |
| Formula | Li4O7P2 |
| Synonym | diphosphoric acid lithium salt (1:4) |
| Synonym | lithium pyrophosphate |
| Synonym | diphosphoric acid lithium salt |
| Synonym | lithium phosphate (Li4P2O7) |
| Synonym | tetralithium pyrophosphate |
| Synonym | tetralithium diphosphate |
| Synonym | pyrophosphoric acid tetralithium salt |
| InChi-Key | MVGWWCXDTHXKTR-UHFFFAOYSA-J |
| Registry No. | 13843-41-9 |
| 2) diphosphoric acid tetrapotassium salt |
| DECHEMA ID | 39489 |
| Formula | K4O7P2 |
| Synonym | potassium phosphate (K4P2O7) |
| Synonym | potassium diphosphate |
| Synonym | potassium pyrophosphate |
| Synonym | tetrapotassium pyrophosphate |
| InChi-Key | RYCLIXPGLDDLTM-UHFFFAOYSA-J |
| Registry No. | 7320-34-5 |
| 3) diphosphoric acid tetrasodium salt |
| DECHEMA ID | 41100 |
| Formula | Na4O7P2 |
| Synonym | sodium phosphate (Na4P2O7) |
| Synonym | tetrasodium diphosphate |
| Synonym | tetrasodium pyrophosphate |
| Synonym | sodium pyrophosphate |
| InChi-Key | FQENQNTWSFEDLI-UHFFFAOYSA-J |
| Registry No. | 7722-88-5 |
Available physical property data:
| Property | Phase | No. of tables | No. of lines | Data |
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| eutectic | - | 1 | 1 | View |
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| fusion temperature | - | 1 | 1 | View |
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| solid-liquid equilibrium | - | 1 | 152 | View |
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