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Potassium Metabisulfite, was colorless crystal or white crystalline powder with the relative density of 2.34 .The melting point was 150-190oC(decomposition). The product had a flavor of sulfur dioxide and soluble in water with acidic aqueous solution, it was not soluble in ethanol. Sulfur dioxide was released from acidic solution and oxidized to sulfate in the air.
Fooding is a Potassium Metabisulfite Manufacturers, Suppliers and Wholesalers in China. You can inquiry Potassium Metabisulfite price by email us: info@chinafooding.com or leave message on the Fooding web. Fooding ensure you can buy Potassium Metabisulfite with a good price.
Potassium Metabisulfite | ||||
CAS No: | 16731-55-8 | |||
Einecs No: | 240-795-3 | |||
HS Code: | K2O5S2 | |||
Specification: | 99% | |||
Routine Packing: | 25kg/200kg/drum | |||
Place of origin: | China | |||
QC: | Haccp, Kosher, Hala,ISO | |||
Payment terms: | T/T or L/C | |||
Port of dispapch: | Shanghai,Tianjin,Qindao | |||
Applications: | Potassium Metabisulfite was used for the preparation of photographic developing solution, which was also used as food bleaching agents, preservatives, antioxidants .In addition, it could be used to retain freshness of wine, fruit juice, beer clarifying agent, fruits and vegetables, meat , grapes, as well as the non-cyanide silver plating. | |||
Product Description
Test item |
Unit |
Specification |
K2S2O5 |
g/100g |
98% min |
SO2 |
g/100g |
56.0 min |
K2S2O3 |
g/100g |
0.1 max |
Na |
g/100g |
2 max |
Cl |
g/kg |
0.5 max |
pH-value(10%solution) |
- |
3.8-4.8 |
heavy metal(measured by Pb) |
mg/kg |
10 max |
As |
mg/kg |
1 max |
Cu |
mg/kg |
1 max |
Fe |
mg/kg |
5 max |
Hg |
mg/kg |
0.1 max |
Pb |
mg/kg |
1 max |
Se |
mg/kg |
1 max |
Zn |
mg/kg |
1 max |
K2SO3 +K2SO4 |
mg/kg |
excess material |
About Potassium Metabisulfite
Product usage
the product was used for the preparation of photographic developing solution, which was also used as food bleaching agents, preservatives, antioxidants .In addition, it could be used to retain freshness of wine, fruit juice, beer clarifying agent, fruits and vegetables, meat , grapes, as well as the non-cyanide silver plating.
1. For food Additive
Bleach agent (e.g.candies, cake, bamboo shoots, etc);Loose agent (e.g.bread, cracker etc);Antiseptic and germicide (e.g.fruit juice, tinned food ,brews, the cereals food is defended storage etc);Inhibitor and freshen agent.(e.g.day lily, seafood, fruit and vegetable etc)
2. For photographic
Promote the developer’s configurate.
Product usage
the product was used for the preparation of photographic developing solution, which was also used as food bleaching agents, preservatives, antioxidants .In addition, it could be used to retain freshness of wine, fruit juice, beer clarifying agent, fruits and vegetables, meat , grapes, as well as the non-cyanide silver plating.
1. For food Additive
Bleach agent (e.g.candies, cake, bamboo shoots, etc);Loose agent (e.g.bread, cracker etc);Antiseptic and germicide (e.g.fruit juice, tinned food ,brews, the cereals food is defended storage etc);Inhibitor and freshen agent.(e.g.day lily, seafood, fruit and vegetable etc)
2. For photographic
Promote the developer’s configurate.
1. What's your payment terms?
T/T or LC.
2. What's your delivery time?
Usually we will arrange the shipment in 7 -15 days.
3. How about the packing?
Usually we provide the packing as 25 kg / bag or carton. Of course, if you have special requirements on them, we will according to you.
4. How about the validity of the Agar Agar?
According to the Agar Agar you ordered.
5, What is the MOQ of Agar Agar ?
Different products have different MOQ, for Agar Agar , the MOQ is 1000kg.
6, What is the price of Agar Agar ?
Fooding has been corporate with many Agar Agar manufacturers for several years, we can provide you with best price of Agar Agar.
7, How long shall we wait for your reply?
We can guarantee to reply your inquiries of Agar Agar in one working days.
8. What documents you provide?
Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificat and Origin certificate. If your markets have any special requirements, let us know.
9. What is loading port?
Usually is Shanghai or Qingdao.

2. Arrange the orders and shipping with cus requests in time, According to the different countries export policy provide complete customs clearance documents.
3. Provide agile and safe payments.
4. We can in charge of all if our products have quality problems.
5. Provide a price trend, ensure the clients can know about marketing informations in time.
6. Have offices at Mexico, Clients can get our company information from here, discuss the prices and delivery time face to face.