Sodium Sulphite
White to off-white powder · CAS 7757-83-7
Test Report — Characteristics
Download Test Report (PDF)| Characteristics | Specifications |
|---|---|
| Assay as Na₂SO₃ | 80% by mass |
| pH of 10% Solution | 8.2 |
| Clarity of 10% Solution | Slight hazy |
Values above are from Suraj Chemicals' own lab test reports on this product. Figures can vary slightly batch to batch — request a current test report / certificate of analysis with your order.
Applications
- Oxygen scavenger in boiler feed-water treatment
- Photographic and dye-industry reducing agent
- Pulp and paper (sulphite process)
- Textile dye-bath reducing agent
Frequently Asked Questions
What is Sodium Sulphite?
Sodium Sulphite is supplied by Suraj Chemicals as white to off-white powder, identified by CAS number 7757-83-7. It falls under our Salts & Minerals range — see the Test Report table above for its full characteristics.
What is Sodium Sulphite used for?
Typical applications include: Oxygen scavenger in boiler feed-water treatment; Photographic and dye-industry reducing agent; Pulp and paper (sulphite process); Textile dye-bath reducing agent.
How should Sodium Sulphite be stored and handled?
Store sealed in a dry area away from moisture and oxidizers.
What packaging and pack sizes does Suraj Chemicals supply Sodium Sulphite in?
25/50 kg HDPE bags. Contact us if you need a different pack size, or a bulk/tanker quantity.
Is Sodium Sulphite hazardous to handle?
Yes — Sodium Sulphite 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 Sulphite?
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 Sulphite is also available above.
Can I get a sample or discuss order quantity for Sodium Sulphite?
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 Sulphite.