OLE Chemical has been providing sodium metabisulfite solution worldwide. Our Na2S2O5 industrial grade product has a wide range of usages in various industries for different purpose, such as water treatment, mineral dressing agent, deoxidizer and sulfonating agent in chemical and medical fields.
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—Industrial Grade
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| Item |
Standard |
Test Result |
| Content (as Na2S2O5), % ≥ |
96.5 |
97.10 |
| Iron (as Fe), % ≤ |
0.005 |
0.003 |
| Arsenic (as As), % ≤ |
0.0001 |
0.0001 |
| Heavy Metal (Pb), w/% ≤ |
0.0005 |
0.0005 |
| PH Value |
4.0~4.6 |
4.43 |
| Water Insoluble |
0.05 |
0.05 |
Sodium Metabisulfite Industrial Grade Applications:
Our Na2S2O5 industrial grade product has a wide range of usages in various industries for different purpose, such as water treatment, mineral dressing agent, deoxidizer and sulfonating agent in chemical and medical fields.
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.
