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Home > Products >  Sodium metabisulfite CAS NO.7681-57-4

Sodium metabisulfite CAS NO.7681-57-4 CAS NO.7681-57-4

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  • FOB Price: USD: 1.00-3.00 /Kilogram Get Latest Price
  • Min.Order: 1 Kilogram
  • Payment Terms: T/T,Other
  • Available Specifications:

    10KG(1-20)Kilogram10KG(20-30)Kilogram10g(1-20)Kilogram

  • Product Details

Keywords

  • 7681-57-4
  • 7681-57-4 Sodium metabisulfite
  • Sodium metabisulfite

Quick Details

  • ProName: Sodium metabisulfite CAS NO.7681-57-4
  • CasNo: 7681-57-4
  • Molecular Formula: Na2O5S2
  • Appearance: crystal, powder
  • Application: Pharmaceutical intermediates
  • DeliveryTime: 1-2 days
  • PackAge: as your request
  • Port: Qingdao port
  • ProductionCapacity: 10 Kilogram/Day
  • Purity: 99%
  • Storage: stay in dry, cool and well-sealed
  • Transportation: EMS,HK EMS,FEDEX,DHL,TNT
  • LimitNum: 1 Kilogram
  • Moisture Content: 0.01%
  • Impurity: 0.001%
  • Loss On Drying: 0.2%
  • Melting Point: 177℃ ~ 181℃
  • Specific Rotation: +27°
  • Assay: 99.2%

Superiority

hebei yanxi chemical  co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and development production of reagent tens of thousands of species. our aim is quality strives for the survival. Seek development by credit reputation. Our products have big price advantage in Europe South America and so on .and Our company also has the advantage of high quality in Africa. in the past two years our products has reached more than 30 countries in the world, Europe. South America. North America, southeast Asia, Africa, etc. We welcome all over the world with the best quality and lowest price friend common cooperation and common development!

Details

roduct name: sodium metabisulfite / sodium metabisulphite
Molecular formula: Na2S2O5
Molecular weight: 190.10
Specification: 25Kg woven bag 
Quality guarantee period: 6 months 
Uses: Food additive, preservative, decolorizer, reducing agent, rubber coagulator, mineral separation, developing agent, sewage treating agent
Property: white or light yellow powder
Executive standard: GBl983-1998

Item
Index
Testing result
main content(Na2S2O5)%
≥95.0
96.83
iron (Fe)%
≤0.005
0.0006
heavy metal(Pb)%
≤0.001
0.0002
arsenic(As)%
≤0.0002
0.00008
water insoluble %
≤0.005
0.0007
pH
4.0-4.6
4.3
clarity
slightly turbid
slightly turbid
chloridion(Cl)ppm
 
0.18

Storage: please store in cool, dry and ventilated warehouse
Transportation: seperate from acid, oxidizing agent and toxic products; please pay attention to rain, moisture and sunshin

 

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