Sodium Hydrosulfite

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Sodium Hydrosulfite
Posting date : Nov 15, 2013
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29-
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◎Chemical Formula:Na2S2O4 ◎CAS No.:7775-14-6 HS code:28311000 ◎Appearance:Free-flowing white crystalline powder ◎Odor:Odorless or with a slight odor of sulfur dioxide ◎Product Specification : Items Technical Grade Na2S2O4 88% Iron(Fe) 20ppm zinc(Zn) 1ppm solution appearance clear Formate / water insolubles 0.05% shelf life(months) 12 ◎Application: It is widely used in the textile industry for vat dyeing ,reduction cleaning ,printing and stripping ,textile materials bleaching .It is also used in bleaching paper pulps , especially mechanical pulp;bleaching kaolin clay and foodstuffs .As a reducing agent ,it is used in organic synthesizing . ◎Pacgage: 50kg net in iron drums with double PVC bags.

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