CAS : 16731-55-8 formula : H2O5S2 2K molecular weight : 222.31 melting point : 190 ° C Chinese name : Coke Asian sulfate; Potassium biased towards Asia English title : Disulfurous acid, dipotassium salt; A.01 metabisulphite; potassium pyrosulfite; dipotassium pyrosulfite; potassium disulfite; pyrosulfurous acid, dipotassium salt; potassiummetabisulfite
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