System: boron potassium oxide (B4K2O7)/sulfuric acid dipotassium salt/metaphosphoric acid (HPO3) potassium salt
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| 1) boron potassium oxide (B4K2O7) |
| DECHEMA ID | 6215 |
| Formula | B4K2O7 |
| Synonym | tetraboric acid (H2B4O7) dipotassium salt |
| Synonym | dipotassium tetraborate |
| Synonym | potassium tetraborate (K2B4O7) |
| Synonym | potassium borate (K2B4O7) |
| Synonym | potassium tetraborate |
| Synonym | dipotassium bicyclo[3.3.1]tetraboroxane-3,7-diolate |
| InChi-Key | FZQSLXQPHPOTHG-UHFFFAOYSA-N |
| Registry No. | 1332-77-0 |
| 2) sulfuric acid dipotassium salt |
| DECHEMA ID | 41277 |
| Formula | K2O4S |
| Synonym | dipotassium sulfate |
| Synonym | potassium sulphate |
| Synonym | potassium sulfate |
| Synonym | dipotassium sulphate |
| InChi-Key | OTYBMLCTZGSZBG-UHFFFAOYSA-L |
| Registry No. | 7778-80-5 |
| 3) 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 |
| eutectic | - | 1 | 3 | View |
| fusion temperature | - | 1 | 3 | View |
| solid-liquid equilibrium | - | 1 | 3 | View |