Sodium Dithionite for Textile Bleaching — Vadodara
Sodium hydrosulphite (dithionite) ~88% for textile bleaching. Sealed bags from Vadsar with batch COA and MSDS.
Quote in 4 business hours · Exports to UAE, Bangladesh, Egypt & Africa
Sodium hydro sulphite (sodium dithionite) supplier — reducing agent for textile dyeing/stripping and selected bleaching assists from Drashti Chemicals Vadodara. Not a phosphate salt — confirm CAS/name on RFQ. Batch COA. WhatsApp kg and application — no list prices.
- Chemistry
- Sodium dithionite (hydro sulphite)
- Use
- Textile reduction · stripping
- Pack
- Sealed bags — moisture sensitive
- Store
- Cool · dry · away from oxidisers
If your search pointed at a phosphate SKU by mistake, say “dithionite / hydro sulphite” on WhatsApp so we quote the reducer. Request bulk quote.
Quick Facts
Quote depends on grade, packaging and MT quantity — share your requirement for a documented offer.
WhatsApp or email quote with COA within 4 business hours
Product Overview
Sodium hydrosulphite (sodium dithionite, CAS 7775-14-6) from Drashti Chemicals, Vadodara is a powerful reducing bleach for textile vat dyeing, pulp bleaching assist, and reductive cleaning. Powder supply with COA on assay. Hot/humid sensitive — fresh stock matters. WhatsApp RFQ; GST 24AGLPC6288M1ZX.
Textile grade for vat/indigo and stripping vs. pulp grades. Stabilised blends exist — match your mill’s approved brand profile. Not sodium sulphide and not bisulphite.
Dissolve in alkaline baths shortly before use; solutions decompose quickly, faster when hot or acidic. Never allow contact with moisture in storage (exotherm/fire risk in extreme cases). Dose per dye recipe; exhaust baths safely.
Packaging: sealed drums/bags with moisture barrier; MOQ typically 50 kg. Cool dry storage. Vadodara dispatch to Surat and textile belts. GST 24AGLPC6288M1ZX. COA and MSDS mandatory.
Hydrosulphite vs. sodium sulphide: dithionite for vat reduction/bleach; sulphide for leather unhairing and different reduction chemistry. Hydrosulphite vs. hydrogen peroxide: reductive vs. oxidative bleach — opposite mechanisms. Tell Drashti vat dye vs. cleaning vs. pulp on RFQ.
Key Specifications
| CAS Number | 7775-14-6 |
|---|---|
| Chemical Formula | Na₂S₂O₄ |
| Molecular Weight | 174.11 g/mol |
| Appearance | White to pale yellow powder |
| Purity / Assay | Industrial reducing grade (assay on COA) |
| Solubility | Soluble in water; moisture-sensitive |
| HS Code | 28311020 |
| Available Grades | Textile / industrial reducing grade |
| Packaging Options | Sealed bags — keep dry |
| Chemical Name | Sodium Hydrosulfite |
| Minimum Order | 50 Kilograms |
| Shelf Life | As per COA / manufacturer guidelines |
Common Industrial Applications
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Applications
Why Buy SODIUM HYDRO SULPHITE from Drashti Chemicals?
- Batch COA & MSDS with every lot — no exceptions
- Consistent quality verified against each shipment
- Pan-India delivery: Gujarat, Maharashtra, Rajasthan & beyond
- Export supply to UAE, Bangladesh, Egypt, Kenya, Malaysia (FOB Mundra)
- GST-compliant invoicing + export documentation (commercial invoice, packing list)
- WhatsApp quote within 4 business hours from Vadodara warehouse
Export Availability
Drashti Chemicals supplies SODIUM HYDRO SULPHITE for international export from Gujarat. We handle container-load and LCL shipments (HS code 28311020) via FOB Mundra / Nhava Sheva. Minimum export order from 2 MT. Documentation includes commercial invoice, packing list, COA and MSDS per lot. Active export markets include UAE, Bangladesh, Egypt, Kenya, South Africa and South-East Asia.
To get an export quote, share your destination country, quantity and required grade via WhatsApp or the RFQ form above.
Frequently Asked Questions
Do you supply sodium hydro sulphite (sodium dithionite) from Vadodara?
Yes. Reducing-agent hydro sulphite for textile dyeing/stripping from Drashti Chemicals Vadodara with COA. Confirm the chemical name — it is not a phosphate salt.
My search showed a phosphate name — is that this SKU?
No. This page is sodium dithionite / hydro sulphite. If you need a phosphate, name that salt separately on WhatsApp.
How should it be stored?
Cool, dry, sealed, away from oxidisers and moisture — the reducer loses strength when wet.
Are you a manufacturer?
Supplier/stockist with documented Vadodara lots.
What to put on the RFQ?
Application (textile strip / dye), kg, pack and any assay note from your last COA — no list prices.
How do I buy SODIUM HYDRO SULPHITE in bulk from Gujarat?
Share grade, quantity and delivery city with Drashti Chemicals, Vadodara. MOQ typically 50 Kilograms. You get GST invoice, COA + MSDS and a documented quote within 24 hours — WhatsApp or RFQ form.
Packaging Details
- MOQ: 50 Kilograms
- 25 kg HDPE bags / drums
- 50 kg & 200 kg packaging
- Bulk tanker & ISO tank supply (on request)
Technical Information
- CAS: 7775-14-6
- Grade: Industrial Grade
- Form: Powder
- Purity: 85%
- Chemical name: Sodium Hydrosulfite
- Packaging: 50kg/25kg HDPE drums/barrels/moisture-resistant bags; Shelf life 2 years; readily soluble in water
Technical Documents — Batch COA & MSDS
Procurement managers can request batch Certificate of Analysis (COA) and Safety Data Sheet (MSDS). Share your business email / WhatsApp — we send documents within 4 business hours.
WhatsApp or email quote with COA within 4 business hours