potassium bisulfite

sulfurous acid potassium salt (1:1)

CAS: 7773-03-7 H K O3 S MW: 120.16887000

Identification

Namepotassium bisulfite
IUPACpotassium hydrogen sulfite
CAS Number7773-03-7
EINECS231-870-1
FDA UNIIQJK5LO891P
Molecular FormulaH K O3 S
Molecular Weight120.16887000
Nikkaji NumberJ96.416F

Regulatory

FDA/DG SANTE Petitions, Reviews, NoticesEU SANCO
GSFA CodexPotassium bisulfite (228)
DG SANTE Food Additivespotassium hydrogen sulphite
FDA Mainterm (SATF)7773-03-7 ; POTASSIUM BISULFITE
FDA RegulationFDA PART 182 -- SUBSTANCES GENERALLY RECOGNIZED AS SAFE

Physical Properties

Food Chemicals Codex Listed No
Soluble in water, 1e+006 mg/L @ 25 °C (est)

No sensory data available

Safety Information

Oral/Parenteral ToxicityNot determined
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categorypreservatives, acidity regulators
Recommendation for potassium bisulfite usage levels up tonot for fragrance use.
Recommendation for potassium bisulfite flavor usage levels up tonot for flavor use.

No supplier data available

Potential Uses

None Found

Natural Occurrence

not found in nature

Synonyms

potassium acid sulfite potassium hydrogen sulfite potassium hydrogen sulphite mono potassium sulfite sulfurous acid potassium salt (1:1) Google Patents: Potassium hydrogen sulfite addition product 6-l-(1-cytosinyl) and (1-uracilyl)-5-hydroxy-p-dioxane-2-dcarboxyaldehyde PubMed: Crystal structure of potassium (1R)-d-ribit-1-yl-sulfonate. PubMed: Potassium (1R,4R,5S,8S)-4,5,8-trihy-droxy-3-oxo-2,6-dioxabicyclo-[3.3.0]octane-4-sulfonate dihydrate. PubMed: The crystal structure of potassium (1S)-D-galactit-1-ylsulfonate. PubMed: Final report on the safety assessment of sodium sulfite, potassium sulfite, ammonium sulfite, sodium bisulfite, ammonium bisulfite, sodium metabisulfite and potassium metabisulfite. PubMed: "Untypical aging off-flavor" in wine: synthesis of potential degradation compounds of indole-3-acetic acid and kynurenine and their evaluation as precursors of 2-aminoacetophenone. PubMed: Structure and solution equilibria of D-glucose and D-mannose sulfite adducts. PubMed: Evaluation of the new automated enzymun-test anti-HBc plus for the detection of hepatitis B virus core antibody. PubMed: Metabisulfite oral challenge: incidence of adverse responses in chronic childhood asthma and its relationship with bronchial hyperreactivity. PubMed: [Effect of prolonged ingestion of tannic acid, potassium metabisulfite and ethanol, administered alone or in combination, on the liver vitamin A concentration in the rat].