Sodium Hydrosulphite
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Sodium Hydrosulphite

As a professional Sodium Hydrosulphite supplier and manufacturer, In-finechem Group has been supplying and exporting Sodium Hydrosulphite from China for almost 10 years, please be assured to buy Sodium Hydrosulphite at In-finechem. Any inquiries and problems please feel free to send emails to us via [email protected], we will reply you within 1 working day.

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Product Description

Sodium Hydrosulphite CAS 7775-14-6


General name:

Sodium hydrosulphite

Molecular formula:

Na2S2O4


Appearance:

white free-flow crystal powders

Smell:

flavourless or smell of sulfur dioxide

Packing:

50kg net iron drums with double inner polybags.


INDEX

90%

88%

85%

FOOD ADDITIVE

Na2S2O4

≥90%

≥88%

≥85%

≥85%

Fe

≤20ppm

≤20ppm

≤20ppm

≤20ppm

Zinc(Zn)

≤1ppm

≤1ppm

≤1ppm

≤1ppm

Other heavy metal

(calculated as Pb)

≤1ppm

≤1ppm

≤1ppm

≤1ppm

Water Insolubles

≤0.05%

≤0.05%

≤0.05%

≤0.05%

Shelf Life(month)

12

12

12

12



Application

1. Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile textile bleaching .
2. It is also used in bleaching paper pulps , especially mechanical pulps, it's the most fittable bleaching agent in pulps. 
3. It is used in bleaching kaolin clay, fur bleaching and reductive whitening, bleaching of bamboo products and straw products, 
4. It is used in mineral, the compound of thiourea and other sulphides. 
5. It is used as reducing agent in chemical industry.
6. Sodium hydrosulfite food additive grade is used in foodstuffs, as bleaching agent and preservative dried fruits, dried vegetable, vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid glucose, bamboo shoots, mushrooms and canned mushrooms. 

 



Packaging Details

50kgs Iron drum. or, according to the requirement.



Port

Shanghai, Qingdao or other major ports accepted by us



Lead Time :7-10 days after confirmation of advaced payment

 





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