焦亚硫酸钠为白色或黄色结晶粉末或小结晶,带有强烈的SO2气味,比重 1.4,溶于水,水溶液呈酸性。
根据维基百科,焦亚硫酸钠是一种有机盐,可以在化妆品和个人护理品中用作消毒和防腐剂。它还是一种还原剂,可以把它的氢原子献给化妆品和个人护理品中的其他物质。该成分有时候可以作为氧化剂,预防并延缓氧化反应导致的产品变质。焦亚硫酸钠主要用在头发护理品中,例如烫发、染发,有时候也用在某些沐浴露和护肤品中。
焦亚硫酸钠
Sodium metabisulfite (chemical formula: Na2S2O5) appears as a white crystalline or powder solid with a slight sulfur odor. It is toxic upon inhalation and can strongly irritate skin and tissue. It can be decomposed to release toxic oxide fumes of sulfur and sodium upon high temperature. It can be mixed with water to form a corrosive acid. It is generally used as disinfectant, antioxidant, and preservative agent as well as a laboratory reagent. As a kind of food additive, it can be used as a preservative and antioxidant in food. It can also be applied to the wine and beer making.。
焦亚硫酸钠它通常作为一种食品添加剂,它可以作为食品中的防腐剂和kangyang化剂。