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Home/Compounds/Food Additive/Sodium hydrogen sulfite
HNaO3S
104.06 g/mol
Food AdditiveWarning

SODIUM BISULFITE

CAS7631-90-5EC231-548-0
Category
Food Additive
Compound Class
Inorganic Salt
Primary Use
Food preservative and disinfectant

Sodium bisulfite is a chemical mixture of sodium and bisulfite ions, typically appearing as white or yellowish-white crystals with a sulfur dioxide odor. It is primarily used as a food preservative and disinfectant.

Food preservativeDisinfectant

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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Related Compounds

StrongSame Parent

Potassium hydrogen sulfite

CAS7773-03-7

Food preservative and antimicrobial agent

StrongSame Parent

Ammonium bisulfite

CAS10192-30-0

Chemical reagent

ReferenceSame Category

Ammonium citrate

CAS7632-50-0

food acidity regulator

ReferenceSame Category

Sodium chloride

CAS7647-14-5

Food condiment and preservative

ReferenceSame Category

10-hydroxydecenoic acid

CAS765-01-5

component of royal jelly

ReferenceSame Category

Arginine aspartate

CAS7675-83-4

amino acid salt nutritional supplement

Referencestereoisomer of

Sodium sulfite

CAS7757-83-7

antioxidant and preservative

Referencestereoisomer of

Potassium sulfite

CAS10117-38-1

preservative and antioxidant in foods

Safety Reference

Corrosive
Corrosive
Harmful
Harmful
Health Hazard
Health Hazard
Warning
H302Harmful if swallowed
H320Causes eye irritation
H335May cause respiratory irritation
H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H372Causes damage to organs through prolonged or repeated exposure
H318Causes serious eye damage
Identifiers
IUPAC Name

sodium hydrogen sulfite

InChIKey

DWAQJAXMDSEUJJ-UHFFFAOYSA-M

SMILES

OS(=O)[O-].[Na+]

Synonyms (41)
  • E-222
  • (sodiooxy)sulfinic acid
  • Bisulfite de sodium
  • Bisulfite de sodium [French]
  • Caswell No. 750
  • Fr-62
  • Hydrogen sodium sulfite
  • Hydrogen sulfite sodium
  • INS NO.222
  • Liquid of Sodium bisulfite
  • Monosodic sulphite
  • Monosodium sulfite
  • Natriumhydrogensulfit
  • SODIUM BISULFITE
  • SODIUM BISULFITE [MART.]
  • Sodium acid bisulfite
  • Sodium acid sulfite
  • Sodium bisulfite (JP18)
  • Sodium bisulfite (NaHSO3)
  • Sodium bisulfite solution
  • Sodium bisulphite
  • Sodium hydrogen sulfite
  • Sodium hydrosulfite(DOT)
  • Sodium sulfite (NaHSO3)
  • Sodium sulhydrate
  • Uantax SBS
  • primaeres Natriumsulfit
  • saures Natriumsulfit
  • sodium hydogen sulfite
  • sodium hydrogen sulphite
  • sodiumbisulfit
  • sodiumhydrogensulfit