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Merck
CN

60508

焦亚硫酸钾

BioUltra, ≥97.0% (RT)

别名:

偏硫代硫酸钾, 偏重亚硫酸钾

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关于此项目

线性分子式:
K2S2O5
化学文摘社编号:
16731-55-8
分子量:
222.32
NACRES:
NA.25
PubChem Substance ID:
57651772
UNSPSC Code:
12352302
EC Number:
240-795-3
MDL number:
MFCD00167605
Assay:
≥97.0% (RT)
Grade:
reagent grade
Solubility:
H2O: 0.1 M at 20 °C, clear, colorless

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产品名称

焦亚硫酸钾, BioUltra, ≥97.0% (RT)

InChI key

RWPGFSMJFRPDDP-UHFFFAOYSA-L

InChI

1S/2K.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2

SMILES string

[K+].[K+].[O-]S(=O)S([O-])(=O)=O

grade

reagent grade

product line

BioUltra

assay

≥97.0% (RT)

impurities

insoluble matter, passes filter test

pH

2.5-4.5 (25 °C, 0.1 M in H2O)

solubility

H2O: 0.1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤1000 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

absorption

cut-off at 308 nm in H2O at 0.1 M

Quality Level

100

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相关类别

Application

Potassium disulfite (Potassium metabisulfite) may be use to study is antioxidant effects and ability to preserve food. Potassium disulfite may be used as an inhibitor of yeasts, bacteria, and fungi growth. Potassium metabisulfite may be used to study its potential toxicities in vivo.

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H318

Hazard Classifications

Eye Dam. 1

supp_hazards

EUH031

存储类别

11 - Combustible Solids

wgk

WGK 1

ppe

dust mask type N95 (US), Eyeshields, Gloves

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCN3397
BCCL7201
BCCK6362
BCCH7590
BCCG4006

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Bindu Nair et al.
International journal of toxicology, 22 Suppl 2, 63-88 (2003-10-14)
Sodium Sulfite, Ammonium Sulfite, Sodium Bisulfite, Potassium Bisulfite, Ammonium Bisulfite, Sodium Metabisulfite, and Potassium Metabisulfite are inorganic salts that function as reducing agents in cosmetic formulations. All except Sodium Metabisulfite also function as hair-waving/straightening agents. In addition, Sodium Sulfite, Potassium
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 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
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
Alan H Haines et al.
Carbohydrate research, 345(18), 2705-2708 (2010-10-26)
The structure of the crystalline addition product (1) formed between d-galactose and potassium bisulfite (potassium hydrogen sulfite) has been determined by X-ray diffraction analysis and compared with those structures reported for the related addition products from d-glucose and D-mannose. As
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