Sodium metabisulfite

CAS No.: 7681-57-4
Purity: 97%min
Min quantity: 10000 Metric Tons
Price: USD 280~310/Metric Tons
Place of Orign: Hengyang,Hunan,China

Contact:Mr.

Supplier Details

Hengdong Weichuang Ferrous Co.,Ltd
China
Contact:Mr.
Tel:86-731-85573666
Total Annual Sales Volume:US$2.5 Million - US$5 Million
Number of Employees:11 - 50 People
Business Type:Manufacturer
Main Markets:

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Item specifics

Product Name.:Sodium metabisulfite
CAS No: 7681-57-4
Weight: 190.106539
Formula: Na₂O₅S₂
Melting Point: 150 ºC
Density: 1.48

Details

1.Basic introduction:
Product name:Sodium metabisulphite
Other name:sodium metabisulfite,sodium pyrosulfite,sodium metabi, Pyrosulfurous acid, disodium salt
Appearance:snow white crystal powder or granular
Formular Chemical:Na2S2O5
Grade:both tech grade and food grade
Shelf life:Half one year
Quality standard:GB1893-1998
Supply ability:10000mt/year
Place of origin:China
2.Specification:

Item
Quality Index
Food Grade
Industry Grade
Purity ( As Na2S2O5)
98.0% min
97.0% min
Sulfur Dioxide( SO2)
65.0% min
65.0% min
Arsenic ( As )
0.0002% max
-
Heavy metals ( As Pb )
0.0005% max
-
Selenium (Se )
0.0005% max
-
Iron (Fe)
0.001% max
0.002% max
Water insoluble
0.02% max
0.05% max
PH value :
4.0-4.8
4.0-4.8

3.Package:

1>25kg double layer woven bag

2>25mt/27mt for a 20' foot container without pallet

3>Jumbo bags,palletize service,shipping marks can be discussed.

Permanent link: http://www.vvchem.com/sell/cas:7681-57-4,3272677.html

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