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Merck
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文件

60508

Sigma-Aldrich

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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About This Item

线性分子式:
K2S2O5
CAS号:
16731-55-8
分子量:
222.32
EC號碼:
240-795-3
MDL號碼:
MFCD00167605
分類程式碼代碼:
12352302
PubChem物質ID:
57651772
NACRES:
NA.25

產品線

BioUltra

化驗

≥97.0% (RT)

雜質

insoluble matter, passes filter test

pH值

2.5-4.5 (25 °C, 0.1 M in H2O)

溶解度

H2O: 0.1 M at 20 °C, clear, colorless

負離子痕跡

chloride (Cl-): ≤50 mg/kg

正離子痕跡

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

吸收

cut-off at 308 nm in H2O at 0.1 M

SMILES 字串

[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 密鑰

RWPGFSMJFRPDDP-UHFFFAOYSA-L

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相关类别

應用

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.

象形圖

Corrosion
GHS05

訊號詞

Danger

危險聲明

H318

危險分類

Eye Dam. 1

安全危害

EUH031

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 1

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves

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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
S Raisuddin et al.
Food additives and contaminants, 8(6), 707-712 (1991-11-01)
The occurrence of aflatoxins in market betel nut samples was studied. It was observed that several betel nut samples were infested with aflatoxin-producing fungus, Aspergillus flavus. Out of 32 samples collected from various places, 12 were positive for aflatoxin. Aflatoxin
D A Mathison et al.
Chest, 87(1 Suppl), 50S-54S (1985-01-01)
Several types of reactions to drugs and chemicals may precipitate or perpetuate asthmatic relapse. This review focuses on reactions to aspirin and sulfites. Approximately 40 percent of patients with rhinosinusitis, nasal polyps, and asthma and 5 to 10 percent of
Carcinogenicity test of potassium metabisulfite in mice.
T Tanaka et al.
Ecotoxicology and environmental safety, 3(4), 451-453 (1979-12-01)
E Pastorkova et al.
International journal of food microbiology, 161(3), 209-213 (2013-01-22)
This paper investigates the in vitro antimicrobial potential of 15 grape phenolic compounds of various chemical classes (phenolic acids, stilbenes and flavonoids) using the broth microdilution method against yeasts and acetic acid bacteria frequently occurring in deteriorated wine. Pterostilbene (MICs=32-128
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