K2O3S
158.26 g/mol
Food AdditiveWarning
POTASSIUM SULFITE
CAS10117-38-1EC233-321-1
Category
Food Additive
Compound Class
Inorganic Salt
Primary Use
preservative and antioxidant in foods
Potassium sulfite is an inorganic salt composed of potassium and sulfite ions, appearing as a white solid highly soluble in water. It is commonly used as a preservative and antioxidant in food products.
food preservativeantioxidant in foods
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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CAS 10117-38-1
Related Compounds
StrongSame Parent
Sodium sulfite
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antioxidant and preservative
ReferenceSame Category
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antioxidant and vitamin E supplement
ReferenceSame Category
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food additive
ReferenceSame Category
Calcium aspartate
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mineral supplement
ReferenceSame Category
Hydroxytyrosol
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antioxidant food additive
Referencestereoisomer of
Ammonium bisulfite
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Chemical reagent
Referencestereoisomer of
Sodium hydrogen sulfite
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Food preservative and disinfectant
Referencestereoisomer of
Potassium hydrogen sulfite
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Food preservative and antimicrobial agent
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H302Harmful if swallowed
H318Causes serious eye damage
Identifiers
IUPAC Name
dipotassium;sulfite
InChIKey
BHZRJJOHZFYXTO-UHFFFAOYSA-L
SMILES
[O-]S(=O)[O-].[K+].[K+]
Synonyms (12)
- E-225
- DIPOTASSIUM SULPHITE
- Dipotassium sulfite
- INS NO.225
- Kaliumsulfit
- POTASSIUM SULFITE
- Potassium sulfite (K2SO3)
- Potassium sulfite(IV)
- Potassium sulphite