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Chemical Name: Sulphite
CAS No.: 10257-55-3
Molecular Fomula: CaO4S
Molecular weight: 136.1406
Appearance: White solid
Sample: Available
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Description of Sulphite
Sulphite sulfite, or calcium sulphite, is a chemical compound, the calcium salt of sulfurous acid with the formula CaSO3. In presence of moisture it commonly forms the hemihydrate CaSO3.0.5H2O. Its uses as the pure compound are limited, such as a food additive, but it is produced in large quantities during flue gas desulfurization (FGD) with lime, which then exposed to air converts to common calcium sulfate (CaSO4, more exactly the gypsum form, CaSO4.2H2O) by oxygen scavenging, this route of CaSO4 production via CaSO3 intermediate being the main source of drywall wallboard.
Basic Info of Sulphite
Basic Info
Numbering system
Safety Info
Basic Info
| Chemical Name | Sulphite |
| CAS No. | 10257-55-3 |
| Molecular Formula | CaH2O4S |
| Molecular Weight | 138.15600 |
| PSA | 91.63000 |
| LogP | -0.20270 |
Numbering system
| UNII | 7078964UQP |
Safety Info
| HS Code | 2832200000 |
What is Sulphite?
- With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is Calcium which has developed particularly rapidly in recent years. Do you know about Calcium ?
- The official answer: Calcium sulfite is a sulfite with the chemical formula CaSO3, which is reductive and can be used as a bleaching agent and filler for calcium-plastic plates. It dissolves in strong acid and emits toxic sulfur dioxide gas. It is used to make calcium-plastic materials, also used as a bleaching and dechlorinating agent for cellulose products, food preservatives, fermentation bactericide, etc. Use calcium chloride and sodium sulfite in solution for complex decomposition reaction, filtered, dried with air insulation to obtain anhydrous calcium sulfite solid. It can also be obtained by a chemical reaction with sulfur dioxide and calcium hydroxide. Chemical reaction equation: SO2+Ca(OH)2=CaSO3↓+H2O.
What’s the application of Sulphite?
Used as analytical reagent, also used in textile, paper and sugar industry as analytical reagent, also used to make calcium plastic material, also used as a bleaching and dechlorinating agent for cellulose products, food preservative, fermentation bactericide, etc.
Conclusion
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