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Sodium Hydrosulfite

Sodium Hydrosulfite

Sodium Hydrosulfite
Sodium HydrosulfiteSodium HydrosulfiteSodium HydrosulfiteSodium HydrosulfiteSodium Hydrosulfite
CategoriesSodium hydrosulfite
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ModelSodium Hydrosulfite 85%,88%,90%
Mol wt:174.108
Place of Origin:Hunan, China (Mainland)
HS CODE:28311010 UN1384
Brand nameRongda
Unit PriceUS $ 930 / metric ton
FOB portNingbo,Shanghai etc.
Terms of PaymentL/C, D/P, T/T
Update Time2019-01-17
Detail Information

Sodium Hydrosulfite

 

  Molecular formula: Na2S2O4

  Scent: No scent or slight scent of SO2

  Quality standard:

Technical grade: HG/T 2074-1991 JIS K 1476-1995

Food grade: GB2682-199

Warranty period: 12 months after production date

 

Applications:

1. Vat dyeing, printing and stripping, reduction cleaning
2. Textile materials(silk, wool, nylon and other fibers)bleaching
3. Pulp and paper brightening
4. Pulp deinking
5. Kaolin clay bleaching
6. Foodstuffs ( sugar, honey, gelatin, etc)bleaching
7. chemical synthesizing

 

   Extinguishing Method:

Isolate the combusted are, keep far away from flames, use sufficient drown the product completely (Other extinguishing media may not stop decomposition thoroughly). Make sure the rinsing water does not pollute water source farm. Inspect the balance of the packing drum and move those hot drums to a ventilated place to lower their temperature.

 

Extinguisher: Large amount of water


 

Technical specification:

Specification

90%

88%

85%

Food grade

Na2S2O4

≥90%

≥88%

≥85%

≥85%

Fe

≤20ppm

≤20ppm

≤20ppm

≤20ppm

Zn

≤1ppm

≤1 ppm

≤1ppm

≤1ppm

Solution Appearance

Clear

Clear

Clear

Clear

Other heavy metal (as pb)

HCHO

≤0. 05%

Water insoluble matter

≤0.05%

≤0.05%

≤0.05%

Reserve period (months)

12

12

12

12

 

Picture:


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