High Purity Sodium Metabisulfite Industrial Grade

• Customization: Available
• CAS No.: 7681-57-4
• Formula: Na2s2o5
• Model NO.: Sodium Metabisulfite Industrial Grade Used for Alk
• EINECS: 231-673-0
• Certification: ISO
• Purity: 90%~99%
• Type: Sodium Metabisulfite
• Appearance: Powder
• Grade Standard: Industrial Grade
• Transport Package: 25kg/1000kg/1250kg Bags
• 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