potassium metabisulfite

disulfurous acid, potassium salt (1:2)

CAS: 16731-55-8 K2 O5 S2 MW: 222.32260000

Identification

Namepotassium metabisulfite
CAS Number16731-55-8
EINECS240-795-3
FDA UNII65OE787Q7W
Molecular FormulaK2 O5 S2
Molecular Weight222.32260000
MDL NumberMFCD00167605
Nikkaji NumberJ43.952E

Regulatory

FDA/DG SANTE Petitions, Reviews, Notices182.3637
JECFA Food AdditivePotassium Metabisulfite
GSFA CodexPotassium metabisulfite (224)
DG SANTE Food Additivespotassium metabisulphite
FDA Mainterm (SATF)16731-55-8 ; POTASSIUM METABISULFITE
FDA RegulationFDA PART 182 -- SUBSTANCES GENERALLY RECOGNIZED AS SAFE

Physical Properties

Appearance colorless crystalline powder (est)
Assay 90.00 to 100.00
Food Chemicals Codex Listed No
Soluble in water, 1e+006 mg/L @ 25 °C (est)
Insoluble in alcohol

Cosmetic Information

CosIngcosmetic data
Cosmetic Useshair fixing agents

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

Categoryantibrowning agents, antioxidants, preservatives
Recommendation for potassium metabisulfite usage levels up tonot for fragrance use.
Recommendation for potassium metabisulfite flavor usage levels up tonot for flavor use.

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Potential Uses

preservatives

Natural Occurrence

not found in nature

Synonyms

dipotassium disulfite dipotassium disulphite dipotassium metabisulfite dipotassium oxidosulfanesulfonate oxide disulfurous acid potassium salt (1:2) disulfurous acid, dipotassium salt disulfurous acid, potassium salt (1:2) potassium disulfite potassium disulfite (K2S2O5) potassium metabisulphite potassium pyrosulfite pyrosulfurous acid dipotassium salt PubMed: Crystal structure of potassium (1R)-d-ribit-1-yl-sulfonate. PubMed: Occupational allergic contact dermatitis from potassium metabisulfite. PubMed: Prevalence of sensitivity to food and drug additives in patients with chronic idiopathic urticaria. PubMed: Clonal mast cell activation syndrome with anaphylaxis to sulfites. PubMed: Laetiporus sulphureus, edible mushroom from Serbia: investigation on volatile compounds, in vitro antimicrobial activity and in situ control of Aspergillus flavus in tomato paste. PubMed: Role of non-Saccharomyces yeasts in Korean wines produced from Campbell Early grapes: potential use of Hanseniaspora uvarum as a starter culture. PubMed: Growth inhibitory effect of grape phenolics against wine spoilage yeasts and acetic acid bacteria. PubMed: A novel method for controlling multicolored Asian lady beetle (Coleoptera: Coccinellidae) in vineyards. PubMed: A palladium-catalyzed reaction of aryl halides, potassium metabisulfite, and hydrazines. PubMed: Yeast ecology of vineyards within Marsala wine area (western Sicily) in two consecutive vintages and selection of autochthonous Saccharomyces cerevisiae strains. PubMed: Sulfite species enhance carbon monoxide release from CO-releasing molecules: implications for the deoxymyoglobin assay of activity. PubMed: Selective removal of the violet color produced by anthocyanins in procyanidin-rich unfermented cocoa extracts. PubMed: The crystal structure of potassium (1S)-D-galactit-1-ylsulfonate. PubMed: The concentration of ethyl carbamate in commercial ume (Prunus mume) liqueur products and a method of reducing it. PubMed: Occupational airborne allergic contact dermatitis from potassium metabisulfite. PubMed: The genotoxic effect of potassium metabisulfite using chromosome aberration, sister chromatid exchange, micronucleus tests in human lymphocytes and chromosome aberration test in bone marrow cells of rats. PubMed: Evaluation of the inhibitory effect of dimethyl dicarbonate (DMDC) against wine microorganisms. PubMed: Toxicity of corticosteroids and catecholamines for mice neuronal cell cultures: Role of preservatives. PubMed: Antimicrobial activity of nisin against Oenococcus oeni and other wine bacteria. PubMed: In Vivo PCR-DGGE analysis of Lactobacillus plantarum and Oenococcus oeni populations in red wine. PubMed: Final report on the safety assessment of sodium sulfite, potassium sulfite, ammonium sulfite, sodium bisulfite, ammonium bisulfite, sodium metabisulfite and potassium metabisulfite. PubMed: Effects of Drying Pretreatments on the Cell Wall Composition of Grape Tissues. PubMed: Preservative-mediated changes of the surface properties of Escherichia coli. PubMed: [Clinical aspects and diagnosis of sulfite intolerance. Apropos of 9 patients]. PubMed: Sulfite contact allergy. PubMed: Sulfite-induced urticaria. PubMed: Aflatoxin in betel nut and its control by use of food preservatives. PubMed: Studies of neutrophil chemotactic factor of anaphylaxis in metabisulfite sensitivity. PubMed: Prevalence of sensitivity to sulfiting agents in asthmatic patients. PubMed: Positive skin tests and Prausnitz-Küstner reactions in metabisulfite-sensitive subjects. PubMed: Effects of ethanol, potassium metabisulfite, formaldehyde and hydrogen peroxide on gastric carcinogenesis in rats after initiation with N-methyl-N'-nitro-N-nitrosoguanidine. PubMed: The effect of white wine upon pulmonary function of asthmatic subjects. PubMed: Adverse reactions to sulfites. PubMed: Enhancing effects of dietary salt on both initiation and promotion stages of rat gastric carcinogenesis. PubMed: Precipitating factors in asthma. Aspirin, sulfites, and other drugs and chemicals. PubMed: Bronchospastic responses to aerosolized metabisulfite in asthmatic subjects: potential mechanisms and clinical implications. PubMed: [Cysteine stability in aqueous amino acid solutions]. PubMed: [Use of alcian green in morphological and histochemical problems]. PubMed: Sulfite suppresses the mutagenic property of coffee. PubMed: Sulfur balances in intravenously fed infants: effects of cysteine supplementation. PubMed: The Microaerophile SPirillum volutans: Cultivation on Complex Liquid and Solid Media. PubMed: Sensitivity to ingested metabisulfites in asthmatic subjects. PubMed: Propionic acid-metabisulphite-Schiff reagent for quick Feulgen staining. PubMed: [Digestive and metabolic utilization of dietary nitrogen in rats receiving tannic acid, sulfite and ethanol, administrated singly or in combination]. PubMed: Carcinogenicity test of potassium metabisulfite in mice. PubMed: Improved Nissl method to stain formaldehyde or glutaraldehyde-fixed material. PubMed: [Liver concentrations of water-soluble vitamins in rats treated, alone or in combination, with potassium metabisulfite, tannic acid, and ethanol]. PubMed: An improved acriflavine-Feulgen reagent for quantitative DNA cytofluorometry. PubMed: [Methods for the demonstration of the basal membrane of the glomerular capillaries]. PubMed: [Various metabolic or toxic effects which can result from short term ingestion of sulfurous acid by the rat]. PubMed: [Intestinal and renal excretion of phosphorus and calcium in rats receiving potassium metabisulfite, tannic acid and ethanol, alone or in combination]. PubMed: [Effect of separated or simultaneous ingestion of tannic acid, potassium metabisulfite and ethanol on reproduction in rats]. PubMed: [Food additives and their possible genetic toxicity; microbiological determination]. PubMed: [Effects of tannic acid and potassium metabisulfite in combination with ethanol on some enzymatic detoxication activities of rat liver microsomes]. 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]. PubMed: [Comparative effects of potassium metabisulfite and sodium metabisulfite on the dental caries in the rat]. PubMed: [Effect of potassium metabisulfite administration on hepatic storage of vitamin A in rats eating a vitamin A deficient diet]. PubMed: Allergic contact dermatitis caused by potassium metabisulfite. PubMed: [Combination of potassium pyrosulfite and ethyl alcohol in drinking experiments in rats].