Sodium Bi-Sulphite (Technical Grade)
Dry, white or cream coloured powder, free from extraneous matter, faint sulphur dioxide odour · CAS 7631-90-5
Test Report — Characteristics
Download Test Report (PDF)| Characteristics | Specifications |
|---|---|
| Purity as SO2 Content | 60% Min |
| pH of 5% Solution | 4.5 – 5.5 |
| Matter Insoluble in Water | 0.1% Max |
| Iron (as Fe) | 0.02% Max |
| Heavy Metals (as Pb) | 0.1% Max |
Values above are well-established typical/standard specification properties for this product, compiled from published technical references — not a batch-specific lab report. Figures can vary batch to batch — request a current certificate of analysis with your order.
Applications
- Industrial reducing and bleaching agent for textile and leather processing
- Water-treatment de-chlorination and dechlorination of effluent
- Ore flotation and mineral processing
- General industrial applications where food-grade purity is not required
Frequently Asked Questions
What is Sodium Bi-Sulphite (Technical Grade)?
Sodium Bi-Sulphite (Technical Grade) is supplied by Suraj Chemicals as dry, white or cream coloured powder, free from extraneous matter, faint sulphur dioxide odour, identified by CAS number 7631-90-5. It falls under our Salts & Minerals range — see the Test Report table above for its full characteristics.
What is Sodium Bi-Sulphite (Technical Grade) used for?
Typical applications include: Industrial reducing and bleaching agent for textile and leather processing; Water-treatment de-chlorination and dechlorination of effluent; Ore flotation and mineral processing; General industrial applications where food-grade purity is not required.
How should Sodium Bi-Sulphite (Technical Grade) be stored and handled?
Store sealed in a dry, cool area away from moisture and oxidizers — releases SO₂ gas when damp.
What packaging and pack sizes does Suraj Chemicals supply Sodium Bi-Sulphite (Technical Grade) in?
50 kg bags. Contact us if you need a different pack size, or a bulk/tanker quantity.
Is Sodium Bi-Sulphite (Technical Grade) hazardous to handle?
Yes — Sodium Bi-Sulphite (Technical Grade) is an oxidizing agent and should be kept away from combustible or organic material. Follow the storage and handling guidance above, use appropriate PPE, and download the Safety Data Sheet (SDS/MSDS) in the sidebar above for full GHS hazard, handling and PPE details.
Is a Test Report, TDS or MSDS available for Sodium Bi-Sulphite (Technical Grade)?
Yes — a downloadable Test Report (PDF) with full characteristics, specifications and results is available above, and a downloadable Safety Data Sheet (SDS/MSDS) for Sodium Bi-Sulphite (Technical Grade) is also available above.
Can I get a sample or discuss order quantity for Sodium Bi-Sulphite (Technical Grade)?
Yes — use the Request Price & Availability button or WhatsApp us with your required quantity, and our team will confirm pricing, minimum order quantity, sample availability and delivery timelines for Sodium Bi-Sulphite (Technical Grade).