System: diphosphoric acid tetrapotassium salt/metaphosphoric acid (HPO3) potassium salt
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| 1) diphosphoric acid tetrapotassium salt |
| DECHEMA ID | 39489 |
| Formula | K4O7P2 |
| Synonym | tetrapotassium pyrophosphate |
| Synonym | potassium pyrophosphate |
| Synonym | potassium diphosphate |
| Synonym | potassium phosphate (K4P2O7) |
| InChi-Key | RYCLIXPGLDDLTM-UHFFFAOYSA-J |
| Registry No. | 7320-34-5 |
| 2) metaphosphoric acid (HPO3) potassium salt |
| DECHEMA ID | 41534 |
| Formula | KO3P |
| Synonym | potassium metaphosphate (KPO3) |
| Synonym | potassium metaphosphate |
| InChi-Key | OQZCJRJRGMMSGK-UHFFFAOYSA-M |
| Registry No. | 7790-53-6 |
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 | - | 3 | 10 | View |
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