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Merck
CN

55777

Supelco

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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About This Item

线性分子式:
K2S2O5
CAS号:
分子量:
222.32
EC 号:
MDL编号:
UNSPSC代码:
85151701
PubChem化学物质编号:
NACRES:
NA.24

等级

analytical standard

质量水平

检测方案

≥98% (RT)

保质期

limited shelf life, expiry date on the label

技术

HPLC: suitable
gas chromatography (GC): suitable

溶解性

H2O: 200 mg/mL, clear to very slightly hazy, colorless

应用

cleaning products
cosmetics
food and beverages
personal care

格式

neat

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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一般描述

Potassium disulfite (Potassium metabisulfite, PMB) is an inorganic salt with antimicrobial properties. It is a sulfiting agent that prevents browning of foods.

应用

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

象形图

Corrosion

警示用语:

Danger

危险声明

预防措施声明

危险分类

Eye Dam. 1

补充剂危害

储存分类代码

11 - Combustible Solids

WGK

WGK 1


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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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