Overview
The standard dechlorinating agent ahead of an RO train, and a reliable reducing agent in textile and leather processing. Food-grade material segregated from technical stock.
Typical applications
- Dechlorination ahead of RO membranes
- Textile dye stripping and reduction
- Leather and tannery processing
- Food preservation (food grade)
Specification & supply
| Product name | Sodium Metabisulphite |
|---|---|
| Synonyms | SMBS, Sodium pyrosulphite, Disodium metabisulphite |
| CAS Registry Number | 7681-57-4 |
| Chemical formula | Na2S2O5 |
| Grades offered | Technical / Food |
| Typical assay | 97% min |
| Standard packing | 25 kg HDPE bag, 50 kg bag |
| Category | Inorganic Acids, Alkalis & Salts |
| Documentation | Manufacturer Certificate of Analysis · Elementium batch record · GHS Safety Data Sheet · transport classification on request |
| Supplied from | GIDC Industrial Estate, 4th Phase, Vapi, Gujarat 396195, India |
Assay and packing shown are typical. Exact specification is confirmed on the Certificate of Analysis for the lot despatched against your order. If your process needs a tighter impurity profile than the standard grade, tell us the limits and we will source against them.
Industries using Sodium Metabisulphite
Questions buyers ask
What is the CAS number of Sodium Metabisulphite?
The CAS Registry Number of Sodium Metabisulphite is 7681-57-4, and its chemical formula is Na2S2O5. It is also known as SMBS, Sodium pyrosulphite, Disodium metabisulphite.
What grades and packing are available?
Sodium Metabisulphite is supplied in Technical / Food grades, typically 97% min. Standard packing is 25 kg HDPE bag, 50 kg bag. Other pack sizes can be arranged through our in-house repacking service.
Where does Elementium supply Sodium Metabisulphite?
We deliver Sodium Metabisulphite from our warehouse at GIDC Vapi, Gujarat — same-day or next-day across the Vapi, Sarigam, Umbergaon, Silvassa, Daman and Valsad belt, and by road or rail across India. Export enquiries are accepted.
Do you provide a COA and Safety Data Sheet for Sodium Metabisulphite?
Yes. Every consignment is despatched with the manufacturer's Certificate of Analysis and our own batch record, and a GHS-format Safety Data Sheet is issued for the product. Transport classification details are provided for hazardous consignments.