Sodium Bisulphite — Commercial and Technical Grade
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Sodium bisulphite is supplied in a commercial grade and a technical grade with a published SO₂ minimum. Both are used for dechlorination, textile and leather processing and ore flotation; pick the grade whose specification matches your process.
Also searched as: sodium bisulfite, sodium hydrogen sulfite.
Grades compared
| Grade | Form | SO₂ | pH | Best application |
|---|---|---|---|---|
| Sodium Bi-Sulphite (Commercial Grade) | Cream crystalline powder | 35.49% | 5.3 | Reducing and bleaching agent in textile and leather processing |
| Sodium Bi-Sulphite (Technical Grade) | Dry, white or cream coloured powder, free from extraneous matter,… | 60% Min | 4.5 – 5.5 | Industrial reducing and bleaching agent for textile and leather processing |
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Cream crystalline powder
Dry, white or cream coloured powder, free from extraneous matter, faint sulphur dioxide odour
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