(Factory price) Sodium hydrosulphite

Sodium hydrosulphite 1.CAS:7775-14-6 2.Sodium hydrosulphite 85% 88% 90% 3.CIQ/ISO certificate 4.Factory supply

                                                                        Sodium hydrosulphite 85% 88% 90%

Character:

H.S code: 28311010

UN NO.: 1384

Molecular formula:  Na2S2O4  

Appearance: white powder

 Smell:flavourless or smell of sulfur dioxide

Specification:

ITEM	90%	88%	85%	FOOD ADDITIVE
Na2S2O4	91.00%	89.50%	86.60%	86.96%
Na2S2O5	6.39%	6.64%	6.82%	6.54%
Na2CO3	1.10%	2.50%	5.70%	5.58%
Na2S2O3	0.18%	0.20%	0.41%	0.38%
Na2SO3	0.22%	0.21%	0.32%	0.36%
Fe	14ppm	15ppm	16ppm	11ppm
Water Insolubles	0.05%	0.04%	0.04%	0.01%

Usage:

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, its 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,

Package: 25kg/pp bag. 21MT/20fcl

Service we can provide:

 1.Mixed container,we can mix different items in one container.

 2.Quality control,before shipment,free sample for test after shipment,keep sample for 3 years.

  3.Prompt shipment with professional documents.

 4.Packing as your request,with photo before shipment

Any question, welcome here!

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(Factory price) Sodium hydrosulphite