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Sodium Hydrosulphite 88% (Hydros / Hydrose) packaging
50 kg Airtight Mild Steel Drums
Standard Packaging Unit: 50 kg Airtight Mild Steel Drums with Polyethylene Inner Liner and Locking Ring
Dispatch Hub: Phase IV, Ankleshwar GIDC Dangerous Goods Bay
Inventory Status: Ready Stock (Within 24 Hours)
Minimum Order (MOQ): 500 kg (10 Drums)
Color Tolerance: Delta E < 0.50 Guaranteed
Eco-Certification: ZDHC Level 3 • OEKO-TEX Standard 100
CAS 7775-14-6 Textile Reducing Agent Textile & Processing Chemicals

Sodium Hydrosulphite 88% (Hydros / Hydrose)

Standard Strength: Min. 88.0% w/w Active Na2S2O4 • Physical Form: White to slightly yellowish crystalline powder with faint sulfur odor

High-potency industrial reducing agent (UN 1384, Class 4.2 Spontaneously Combustible). Critical for solubilizing insoluble vat dyes into their leuco-forms and for aggressive reduction clearing of unfixed disperse dye on polyester fibers.

Technical Dyeing & Process Parameters (TDS)

Water Solubility: Fully soluble in water with active redox potential (-460 mV)
Shelf Life & Stability: 12 months in factory-sealed, unbreached airtight steel drums

Recommended Commercial Applications

  • 01. Vat dye leuco-reduction in denim warp yarn dyeing (Indigo dyeing)
  • 02. Reduction clearing of dyed polyester yarns and microfibers
  • 03. Bleaching of mechanical wood pulp and recycled paper fiber
  • 04. Stripping and re-dyeing corrective processing in dyehouses
DANGER GHS Safety & Storage Specification

Store strictly in a dedicated, dry, fireproof warehouse with NO water ingress risk. Keep drums off concrete floors on dry wooden pallets. Contact with moisture or acid liberates toxic sulfur dioxide gas and can self-heat.

Request Immediate Lab Dip or Container Lot Quote

Batch testing samples (500g / 5kg) or full commercial delivery from Ankleshwar Phase IV.

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