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E221

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E221 (Sodium sulfite) is a chemical compound, disodium salt of sulphurous acid. It belongs to the sulphite group. The sulphite group includes: Sulphur dioxide E220 SO2 Sodium sulphite E221 Na2SO3 Sodium hydrogen sulphite E222 NaHO3S Sodium metabisulphite E223 Na2O5S2 Potassium metabisulphite E224 K2O5S2 Calcium sulphite E226 CaSO3 Calcium hydrogen...

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Object facts

Key information and links

Component typeChemical

Last update2023-03-29 19:21

Chemical Risk

Corrosive
Irritant

Main substances

Sulphurous acid.

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