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线性分子式:
K2S2O5
化学文摘社编号:
分子量:
222.32
EC 号:
MDL编号:
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NA.25
等级
reagent grade
产品线
BioUltra
方案
≥97.0% (RT)
杂质
insoluble matter, passes filter test
pH值(酸碱度)
2.5-4.5 (25 °C, 0.1 M in H2O)
溶解性
H2O: 0.1 M at 20 °C, clear, colorless
痕量阴离子
chloride (Cl-): ≤50 mg/kg
痕量阳离子
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
吸附
cut-off at 308 nm in H2O at 0.1 M
SMILES字符串
[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 key
RWPGFSMJFRPDDP-UHFFFAOYSA-L
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相关类别
应用
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.
警示用语:
Danger
危险声明
危险分类
Eye Dam. 1
补充剂危害
储存分类代码
11 - Combustible Solids
WGK
WGK 1
个人防护装备
dust mask type N95 (US), Eyeshields, Gloves
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
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
H J Schwartz et al.
The Journal of allergy and clinical immunology, 74(4 Pt 1), 511-513 (1984-10-01)
Eight asthmatic patients with a history suggestive of sulfite sensitivity were studied, six of whom had a positive oral challenge to doses from 10 mg to 50 mg. All eight patients had aerosol metabisulfite challenge; six positive tests were observed
D D Stevenson et al.
The Journal of allergy and clinical immunology, 68(1), 26-32 (1981-07-01)
While ingesting selected foods and drinks in restaurants, four asthmatic patients reported the sudden onset of severe wheezing and associated anaphylactoid symptoms and signs. Single-blind placebo and potassium metabisulfite (K2S2O5) oral challenges documented asthmatic responses 15 to 30 min after
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
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