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連絡先担当者 Ms. demi
The East Street of Gangcheng, Yantai, Shandong
CAS NO: ********5 Molecular weight: **4.*6 Appearance: white powder Specification:Purity: *9%min Sulfur Dioxide: *5% min Iron: 0.**1% max Water insoluble: 0.**1%max Arsenic: 0.***1%max Heavy metal (as Pb): 0.***2% max Use: mild reducing agent in organic synthesis in particular in purification procedures, in dyeing, paper making, and as food preserve. Packing: *5KG/Bag HS CODE: *********0