Overview
Self-heating and moisture sensitive: a wet drum is a fire risk, not merely a quality problem. Supplied in sealed steel or HDPE drums with correct hazard classification.
Typical applications
- Vat and sulphur dye reduction
- Textile stripping and colour correction
- Kaolin clay brightening
- Paper de-inking
Specification & supply
| Product name | Sodium Hydrosulphite |
|---|---|
| Synonyms | Sodium dithionite, Hydros, Vat powder |
| CAS Registry Number | 7775-14-6 |
| Chemical formula | Na2S2O4 |
| Grades offered | Technical |
| Typical assay | 88% / 90% |
| Standard packing | 50 kg HDPE drum |
| Category | Textile & Leather Processing Chemicals |
| 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 Hydrosulphite
Questions buyers ask
What is the CAS number of Sodium Hydrosulphite?
The CAS Registry Number of Sodium Hydrosulphite is 7775-14-6, and its chemical formula is Na2S2O4. It is also known as Sodium dithionite, Hydros, Vat powder.
What grades and packing are available?
Sodium Hydrosulphite is supplied in Technical grade, typically 88% / 90%. Standard packing is 50 kg HDPE drum. Other pack sizes can be arranged through our in-house repacking service.
Where does Elementium supply Sodium Hydrosulphite?
We deliver Sodium Hydrosulphite 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 Hydrosulphite?
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.