Potassium hydrogen sulfite
|Surname||Potassium hydrogen sulfite|
|Molecular formula||KHSO 3|
|External identifiers / databases|
|Molar mass||120.16 g mol −1|
190 ° C (decomposition)
|As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .|
Extraction and presentation
Potassium hydrogen sulfite is z. B. Wine added as an antioxidant and preservative . The permissible concentration is based on the statutory maximum quantities of sulfur dioxide. In addition, potassium hydrogen sulfite is used in a variety of other foods, such as starch, sago, pearl barley, dried potato products, vegetables, dried fruits, nuts, meat and fish.
The compound gives off sulfur dioxide.
Excessive consumption of potassium hydrogen sulfite can lead to headaches , migraines and nausea . In addition, B vitamins and folic acid are destroyed. Food with this addition must have the number E228 in the list of ingredients .
- William M. Haynes: CRC Handbook of Chemistry and Physics, 97th Edition . CRC Press, 2016, ISBN 978-1-4987-5429-3 , pp. 99 ( limited preview in Google Book search).
- harmonized classification for this substance . A labeling of potassium hydrogen sulphite in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), retrieved on March 4, 2020, is reproduced from a self-classification by the distributor . There is not yet a
- Entry on Potassium Hydrogen Sulphite in the Hazardous Substances Data Bank , accessed April 16, 2018.
- George A. Burdock: Encyclopedia of Food and Color Additives . CRC Press, 1997, ISBN 978-0-8493-9412-6 , pp. 3000 ( limited preview in Google Book Search).