Does calcium chloride react with sodium metabisulphite?

Does calcium chloride react with sodium metabisulphite?
3 min read
15 September 2022

Does calcium chloride react with sodium metabisulphite?
This question was asked about calcium chloride and Sodium metabisulfite in a lab setting, and the answer might surprise you. In a nutshell, it seems that the two compounds do not react with one another. This is surprising because many chemical reactions occur when two compounds come into contact with one another. However, in this particular case, the two compounds do not react because they have different molecular weights.

What is calcium chloride?

Calcium chloride is a white, crystalline solid that is used as a bleaching agent and de-icing agent. Calcium chloride reacts with sodium metabisulphite to form a black slag that can clog filters and pipelines. Calcium chloride, a salt with the chemical formula CaCl2, is an inorganic substance. At ambient temperature, it is a white, crystalline solid that is very water-soluble. It can be produced by mixing calcium hydroxide with hydrochloric acid to neutralize it. The hydrated solid calcium chloride, with the general formula CaCl2nH2O and n values of 0, 1, 2, 4, and 6, is frequently found in nature. These substances are mostly employed for de-icing and dust suppression. The anhydrous salt serves as a dehumidifier since it is hygroscopic in nature and deliquescent.

What is sodium metabisulphite?

Sodium metabisulphite is a type of sulfur compound that is often used in chemical reactions. It is also found in nature, most notably as the mineral molybdenum disulfide. Sodium metabisulphite reacts with calcium chloride to produce an alkaline solution.

 

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What are the consequences of mixing the two?

While calcium chloride and sodium metabisulphite are both known to be effective in the cleaning industry, mixing the two can create dangerous consequences. When these two chemicals are mixed, they form a highly reactive compound that can cause fires, explosions, and serious chemical burns. It is important to be aware of the potential dangers of mixing these two cleaners before using them in your cleaning project so that you can avoid any unfortunate accidents.

How to avoid the reaction?

There is always a risk of a reaction when combining calcium chloride and sodium metabisulphite like any other chemical compound such as Sodium Fluosilicate, Sodium Formate, Sodium Hydrosulfite or more. To minimize the chance of a reaction, follow these guidelines:
1. Use small amounts of each substance - make sure to use only the required amount.
2. Use fresh ingredients - avoid using old or expired ingredients.
3. Keep the mixture warm - do not allow it to cool down.
4. Do not overmix - make sure all the ingredients are mixed well before you use them.

 

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Conclusion

Yes, calcium chloride will react with Sodium metabisulfite and Sodium Hydrosulfite. The two substances will combine and form a white compound that is soluble in water.

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