Introduction：Basic information about CAS 4429-42-9|potassium metabisulfite, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | potassium metabisulfite |
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| CAS Number | 4429-42-9 | Molecular Weight | 120.16900 |
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| Density | / | Boiling Point | / |
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| Molecular Formula | HKO3S | Melting Point | 190ºC |
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| MSDS | / | Flash Point | / |
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Names
| Name | potassium metabisulfite |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Melting Point | 190ºC |
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| Molecular Formula | HKO3S |
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| Molecular Weight | 120.16900 |
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| Exact Mass | 119.92800 |
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| PSA | 79.57000 |
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| LogP | 0.20420 |
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| Water Solubility | H2O: 0.1 M at 20 °C, clear, colorless |
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Safety Information
| Hazard Codes | Xi: Irritant; |
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| Risk Phrases | 31-36/37/38 |
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| Safety Phrases | 26-36 |
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| WGK Germany | 1 |
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| RTECS | TT4920000 |
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| HS Code | 2832200000 |
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Customs
Synonyms
| potassium pyrosulfite |
| potassium bisulphite |
| potassium m-bisulfite |
| di-potassium disulphite |
| potassium bisulfite |
| dipotassium pyrosulfite |
| potassium disulfite |
| potassium metabisulphite |
