OLE Chemical supplies high ratio of price to quality Na2S2O5. Sodium metabisulfite food grade is widely used as preservative, bleaching or leavening agent, and antioxidant in food.
CAS Registry Number: 7681-57-4
Chemical formula：Na2S2O5, Na-O-(S=O)-O-(S=O)-O-Na
Molar mass：190.107 g/mol
Appearance：White to Yellow powder
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Technical Data Sheet
Sodium Metabisulfite—Food Grade
|
| Item |
Standard |
Test Result |
| Content (as Na2S2O5), % ≥ |
97 |
97.30 |
| Iron (as Fe), % ≤ |
0.003 |
0.002 |
| Arsenic (as As), % ≤ |
0.0001 |
0.0001 |
| Heavy Metal (Pb), w/% ≤ |
0.0005 |
0.0005 |
| PH Value |
4.0~4.6 |
4.32 |
| Water Insoluble |
0.05 |
0.04 |
Sodium Metabisulfite Food Grade Applications:
Food grade Sodium metabisulfite or sodium pyrosulfite is widely used as preservative, bleaching or leavening agent, antioxidant, etc. in food.
Sodium Metabisulfite Packaging:
It can be packed to 25 KG / 50 KG / 1000 KG per bag. Any other packaging can be customized according to clients’ requirements.
Sodium Metabisulfite Handling and Storage:
The bulk materials must be stored in a cool and well-ventilated area to avoid heat, moisture or combustible materials and segregate from acids and oxidizers.
