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Merck
CN

V800329

Sigma-Aldrich

Potassium disulfite

LR, ≥95%

Synonym(s):

Potassium metabisulfite, Potassium pyrosulfite

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About This Item

Linear Formula:
K2S2O5
CAS Number:
16731-55-8
Molecular Weight:
222.32
EC Number:
240-795-3
MDL number:
MFCD00167605
UNSPSC Code:
12352302
PubChem Substance ID:
329829314
Assay:
≥95%
Grade:
LR
Form:
crystalline powder

Key Documents

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grade

LR

product line

Vetec™

Assay

≥95%

form

crystalline powder

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

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Legal Information

Vetec is a trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H318

Precautionary Statements

P280 - P305 + P351 + P338

Hazard Classifications

Eye Dam. 1

Supplementary Hazards

EUH031

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
BGBC3537V
BGBB9873

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Beatriz Rojo-Bezares et al.
International journal of food microbiology, 116(1), 32-36 (2007-02-27)
Nisin is a bacteriocin used against food spoilage bacteria. Sulphur dioxide is a potent antioxidant as well as an antimicrobial agent widely used in the wine industry. In this study we describe the effect of these important antibacterial agents on
M Kaul et al.
Folia microbiologica, 41(2), 159-164 (1996-01-01)
The effectiveness of two commonly used preservatives, sodium benzoate and potassium disulfite, was evaluated in terms of their bactericidal activity and capacity to induce changes in the surface properties of Escherichia coli isolated from commercial food preserves. Preservative treatment over
M K Dutt
Microscopica acta, 84(3), 245-248 (1981-05-01)
This communication presents a method for the preparation of Schiff reagent in which N hydrochloric acid has been replaced by a low concentration of propionic acid. The result of using such a Schiff reagent indicates that the dye-reagent thus prepared
Erik J Glemser et al.
Environmental entomology, 41(5), 1169-1176 (2012-10-17)
The introduced biological control agent Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae) has attained pest status in North America as its presence in vineyards during harvest may compromise the quality of the resulting wine. Control of H. axyridis in vineyards is difficult
G Spano et al.
Current microbiology, 54(1), 9-13 (2006-12-13)
In order to monitor Lactobacillus plantarum and Oenococcus oeni in red wine produced with Italian grape (variety "Primitivo di Puglia"), a polymerase chain reaction- denaturing gradient gel electrophoresis (PCR-DGGE) approach using the rpoB as gene target was established. Wine was
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