
Sodium Metabisulfite Industrial Grade
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
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.

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