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.
Sourcing SODIUM BISULFITE?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
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
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
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for SODIUM BISULFITE (CAS 7631-90-5) is 2832.10.
HS code (international, 6-digit)
2832.10
EU CN code (8-digit)
2832 10 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
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
Sourcing SODIUM BISULFITE?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.