55777

Potassium disulfite

analytical standard

• Synonim(y): E224, Potassium metabisulfite, Potassium pyrosulfite
• Wzór liniowy: K₂S₂O₅
• Numer CAS: 16731-55-8
• Masa cząsteczkowa: 222.32
• NACRES: NA.24
• PubChem Substance ID: 329758155
• UNSPSC Code: 85151701
• EC Number: 240-795-3
• MDL number: MFCD00167605

Właściwości

• grade: analytical standard
• Quality Segment: 100
• assay: ≥98% (RT)
• shelf life: limited shelf life, expiry date on the label
• technique(s): HPLC: suitable, gas chromatography (GC): suitable
• solubility: H₂O: 200 mg/mL, clear to very slightly hazy, colorless
• application(s): cleaning products; cosmetics; food and beverages; personal care
• format: neat
• SMILES string: [K+].[K+].[O-]S(=O)S([O-])(=O)=O
• InChI: 1S/2K.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
• InChI key: RWPGFSMJFRPDDP-UHFFFAOYSA-L

Opis

General description

Potassium disulfite (Potassium metabisulfite, PMB) is an inorganic salt with antimicrobial properties. It is a sulfiting agent that prevents browning of foods.

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

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Informacja o środkach bezpieczeństwa

• pictograms: GHS05
• signalword: Danger
• supp_hazards: EUH031
• Klasa składowania: 11 - Combustible Solids
• wgk: WGK 1
• hcodes: H315,H318
• pcodes: P264 - P280 - P302 + P352 - P305 + P351 + P338 - P332 + P313 - P362 + P364
• Hazard Classifications: Eye Dam. 1 - Skin Irrit. 2