System: sulfurous acid monoammonium salt/water/sulfurous acid/sulfuric acid diammonium salt
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| 1) sulfurous acid monoammonium salt |
| DECHEMA ID | 671 |
| Formula | H5NO3S |
| Synonym | ammonium hydrogensulfite |
| Synonym | ammonium hydrogen sulfite |
| Synonym | monoammonium sulfite |
| Synonym | ammonium sulfite (1:1) |
| Synonym | hydrogen sulfurous acid monoammonium salt |
| Synonym | Ammonium bisulfite |
| InChi-Key | ZETCGWYACBNPIH-UHFFFAOYSA-N |
| Registry No. | 10192-30-0 |
| 2) water |
| DECHEMA ID | 41137 |
| Formula | H2O |
| Synonym | hydrogen oxide |
| Synonym | dihydrogen oxide |
| Synonym | ice |
| Synonym | refrigerant 718 |
| InChi-Key | XLYOFNOQVPJJNP-UHFFFAOYSA-N |
| Registry No. | 7732-18-5 |
| 3) sulfurous acid |
| DECHEMA ID | 41320 |
| Formula | H2O3S |
| InChi-Key | LSNNMFCWUKXFEE-UHFFFAOYSA-N |
| Registry No. | 7782-99-2 |
| 4) sulfuric acid diammonium salt |
| DECHEMA ID | 41333 |
| Formula | H8N2O4S |
| Synonym | diammonium sulfate |
| Synonym | ammonium sulphate |
| Synonym | ammonium sulfate |
| Synonym | dolamin |
| InChi-Key | BFNBIHQBYMNNAN-UHFFFAOYSA-N |
| Registry No. | 7783-20-2 |
Available physical property data:
| Property | Phase | No. of tables | No. of lines | Data |
|---|
| solid-liquid equilibrium | - | 1 | 4 | View |
|---|
| solubility | - | 1 | 8 | View |
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