Alias: sodium metabisulfite; heavy thioredoxin; coke of sodium sulfite; sodium metabisulphite CASRN: 7681-57-4 Appearance: white or light yellow crystalline powder or small crystals. Product specifications: sulfur dioxide ≥ 65% Fe ≤ 0.005% Water insoluble matter ≤ 0.05% PH value 4.0-4.6 Weifang Rui Desheng Chemical Co., sodium metabisulfite uses: chemical and pharmaceutical industry for the production of sodium metabisulfite, sodium hydrosulfite, sulfamethazine dipyrone, caprolactam, etc., and chloroform, styrene sulfone and benzaldehyde purification. Photographic industry as ingredients fixer. Perfume industry for the production of vanillin. Used as a preservative brewing industry Haihua sodium metabisulfite, rubber coagulant and cotton bleaching antichlor. Organic intermediates food grade sodium metabisulfite, dyes, leather is used as a reducing agent used for the electroplating industry, waste water treatment and as a mine field dressing like Weifang Rui Desheng Chemical welcome your calls sodium metabisulfite | Rui Desheng Chemicals | Haihua sodium metabisulfite provided by 瑞德胜 chemical. Weifang Rui Desheng Chemical Co., Ltd. (www.ruidesheng.com) in sodium sulfate, sodium metabisulfite, deicing salt, calcium chloride, baking soda, and other industries have a higher visibility, integrity management, both quality of service, welcome to inquire or consult our "business alliance customer service" it!