中文名:焦亚硫酸钾
英文名:Potassium pyrosulfite
英文别名:POTASSIUM METABISULFITE|16731-55-8|Potassium disulfite|Potassium pyrosulfite|Dipotassium pyrosulfite|Sobisu|potassium metabisulphite|Potassium pentaoxodisulfate|Ins-224|Potassium metabisulfite [NF]|Potassium metabisulfite (e 224)|65OE787Q7W|Dipotassium di
纯度:97%
货号:P401412
包装:100g、500g
Cas号:16731-55-8
存储温度:充氩
产品介绍:
有二氧化硫气味。对湿敏感。有酸性反应。与酸接触有二氧化硫逸出。在空气中逐渐氧化成硫酸盐,在湿空气中氧化更快。如研磨成粉灼热时能燃烧。易溶于水,不溶于醇。190℃时分解。有刺激性。 Potassium disulfite (Potassium metabisulfite, PMB) is an inorganic salt with antimicrobial properties. It is a sulfiting agent that prevents browning of foods. Its genotoxic and cytotoxic effect has been assessed. PMB undergoes hydrolysis to form potassium bisulfite.Potassium disulfite has been used in a protocol for the modification of the polydimethylsiloxane (PDMS) polymer surfaces. It may be used in the following processes: 还原剂,显影剂,细菌抑制剂,抗氧剂,制备亚硫酸。 · Chemical etching of poly(vinylidene fluoride) in β-phase (β-PVDF) irradiated films. · Decolorization during the synthesis of 2-iodopyrimidine derivatives. · Palladium-catalyzed aminosulfonylation of aryl halides.
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