Sodium Metabisulphite (Sodium Metabisulfite)
PRODUCT IDENTIFICATION
Sodium Metabisulphite
GENERAL INFORMATION
| • HS CODE |
28311000 |
• CAS NO |
7681-57-4 |
• GRADE |
Food Grade |
• FORMULA |
Na2 S2 O5 |
 |
• MOLECULAR WEIGHT |
190.09 |
PROPERTIES
| • Appearance |
Fine, white granular material |
• Odor |
Pungent sulfur dioxide odor |
• PH |
4.3 (1% solution) |
• Specific Gravity |
1.48 (@20 °C) |
• Solubility |
39% in water (Weight, @16 °C) |
SPECIFICATIONS
| • Content (As Na2 S2 O5 ) |
98.0% Min |
• Clarity |
Light feculence |
• Iron (As Fe) |
50ppm Max |
• Heavy Metals (As Pb) |
10ppm Max |
• Arsenic |
2ppm Max |
Sodium Metabisulphite SPECIFICATIONS FG
| • Content (As Na2 S2 O5 ) |
95.0% Min |
• Iron (As Fe) |
50ppm Max |
• Heavy Metals (As Pb) |
10ppm Max |
• Arsenic |
2ppm Max |
• PH value |
4.0-4.6 |
• Water insoluble matter |
0.05% |
APPLICATION
• Bleaching agent (e.g. candies, cake) loose agent (e.g. bread, cracker, etc).
• Antiseptic and germicide (e.g. fruit juice, tinned food, etc).
• Inhibitor and freshening agent (e.g. day lily, seafood, fruit and vegetable, etc).
PACKING
• In 25Kg polypropylene woven bag lined with PVC bag.
STORAGE AND TRANSPORTATION
• Store in a cool, dry, well-ventilated area away from water, ice, acids and oxidizing agents. It will release sulfur dioxide gas slowly at ambient temperatures.
• Keep in a tightly closed container.
