55777
焦亚硫酸钾
analytical standard
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:
分子量:
222.32
NACRES:
NA.24
PubChem Substance ID:
UNSPSC Code:
85151701
EC Number:
240-795-3
MDL number:
产品名称
焦亚硫酸钾, analytical standard
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
analytical standard
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
Quality Level
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Application
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
General description
Potassium disulfite (Potassium metabisulfite, PMB) is an inorganic salt with antimicrobial properties. It is a sulfiting agent that prevents browning of foods.
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1
supp_hazards
存储类别
11 - Combustible Solids
wgk
WGK 1
Sven Hildebrand et al.
Scientific reports, 9(1), 10880-10880 (2019-07-28)
Optical clearing techniques and light sheet microscopy have transformed fluorescent imaging of rodent brains, and have provided a crucial alternative to traditional confocal or bright field techniques for thin sections. However, clearing and labeling human brain tissue through all cortical
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