Supply CAS No. 7681-57-4 Sodium Metabisulfite for Industrial Grade

• CAS No.: 7681-57-4
• Formula: Na2s2o5
• EINECS: 231-673-0
• Certification: ISO
• Purity: 90%~99%
• Type: Sodium Metabisulfite
• Model NO.: Sodium Metabisulfite
• Appearance: Powder
• Grade Standard: Food Grade
• HS Code1: 2832100000
• Appearance1: Powder
• Transport Package1: PP/PE Wovon Bag
• Production Capacity1: 100000mt/Year
• Grade Standard1: Industrial Grade
• Transport Package: 25kg/1000kg/1250kg Bags
• Trademark: qiang yuan
• Origin: China
• HS Code: 2832100000
• Production Capacity: 10, 000mt/Year

Product Description

1. General Description
Molecular Formula : Na₂S₂O₅
Molecule Weight : 190.12
CAS NO .: 7681-57-4

2. Applications:
Food additive, preservative, etc.  

3. Specification 

Item	Specification
Appearance	White Powder
Purity (as Na2S2O5)	96.5% min.
SO2	65.0% min.
Iron (Fe)	0.003% max.
As	0.0001% max.
Water Insoluble	0.05% max.
Heavy Metals (as Pb)	0.0005% max.
pH (5% solution)	4.0 - 4.8

4. Packaging & Storage
  Sodium Metabisulfite Food Grade is available in one of the following packages:

• 25kg PP bags;
• 25kg paper bags;    
• 1000kg big bags.

5. Storage & Handling:
  Store in cool, dry and ventilated warehouse.
Separate from acid, oxidizing agent and toxic products; please pay attention to rain, moisture and sunshine

6.Comany profile:

Weifang Qiangyuan Chemical Industry Co., Ltd. Was established in 2002. We are a leading manufacturer & exporter of Sodium Bromate, Calcium Chloride, Magnesium Carbonate, Magnesium Oxide, Sodium Bromide, Calcium Bromide, Magnesium Chloride, Sodium Metabisulfite, Sodium Bicarbonate, Poly Aluminum Chloride, Potassium Nitrate, Citric Acid, Caustic Soda etc. In China. 

Our products are mainly used as Oil Drilling chemicals, Food and Feed Additives, Mining chemicals, Ice & Snow Melt, Dust Control, Textile chemicals, Water Treatment, Agricultural material, Cosmetics, Pharmaceutical intermediates etc. 

Our company adheres to the principle of "Innovative Technology, Circular Economy, Social Responsibility, Sustainable Development. " We are always committing ourselves to provide high-quality chemicals for our clients. Our products are exported to over 80 countries and regions in the world, such as South-East Asia, Middle East, Japan, Korea, North & South America, West & North Europe, Africa, Australia etc. 

Our company pays great attention to talent introduction and R & D investment, We are establishing active cooperation with some scientific research institutes & universities. We have invested millions of RMB for our new technical center and pilot plant. Our company has got 3 invention patents, 20 utility model patents, and another 2 innovative achievements have been approved by Shandong Provincial Bureau of Science and Technology. 

Profession creates value, innovation promotes development. We'll always be dedicated in providing quality products with excellent services, punctual delivery and reasonable prices to our clients. We'll also continue to fulfill our legal health, safety and environment responsibilities to the society by implementing and maintaining policies, procedures and practices