Sodium metabisulfite, Rui Desheng chemicals, high purity sodium metabisulfite provided by 瑞德胜 chemical. Sodium metabisulfite | Rui Desheng Chemicals | factory outlets metabisulfite Weifang Rui Desheng Chemical Co. (www.ruidesheng.com) 2014 been newly launched to upgrade the stability and reactivity: avoid: strong acids, strong oxidizing agents. Conditions to avoid: Rui Desheng Chemical Co., Ltd. Weifang moist air chemical name Chinese chemical name: sodium metabisulfite Chemical Name: sodium metabisulfite Chinese name 2: sodium metabisulfite Name 2: sodium pyrosulfite / sodium metabisulphite Technical Manual Code :. 1333 CAS No :7681-57-4 Formula: Na2S2O5 Molecular Weight: 190.09 Sodium metabisulfite is a food additive high purity sodium metabisulfite, as a preservative, bleach, bulking agent in food processing. When used as a bleaching agent, fumigation only, can not be used in direct contact with other objects immersion bleaching method.