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Na2S2O4 CAS: 7775-14-6 BD HS: 2831.10.00 IMO Class 4.2 (Spontaneously Combustible)

Sodium Hydrosulphite 88% / 90% (Hydrose)

Indispensable reducing agent for Bangladesh denim processing mills. Handled with dedicated DG booking, air-tight steel packaging, and swift customs clearance. Sourced for Bangladeshi industries through factory-direct makers and high-volume trade hubs across China, India.

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COMMERCIAL & TECHNICAL DOSSIER

Specifications & Container Loading

IUPAC / Chemical Name: Sodium Dithionite
Chemical Formula: Na2S2O4
CAS Registry Number: 7775-14-6
Bangladesh Customs HS Code: 2831.10.00
Purity / Commercial Assay: 88.0% / 90.0% Min (Sodium Formate Process, Fe ≤ 15 ppm, Water Insoluble ≤ 0.1%)
Export Packaging: 50kg sealed steel drums with double PE inner hermetic liner
20ft FCL Container Payload: 20.0 – 21.6 MT / 20ft FCL (400–432 drums x 50kg)
Dangerous Goods (IMO / UN): IMO Class 4.2 (Spontaneously Combustible), UN 1384, PG II (Direct CPA delivery)
Target Industries in Bangladesh:

Denim Indigo Yarn Reduction, Polyester Reduction Clearing (RC), Garment Color Stripping

ORIGIN & LOGISTICS

Fast Regional Corridors

Primary Supply Hubs:
China (Guangdong/Shandong - Sodium Formate Route), India (Transpek-Silox)
Ocean Sailing (Port-to-Port): India: 8–12 days
Total Order-to-Port Cycle: India: 18–25 days

Commercial Indenting Terms

  • • Incoterms: CFR / CIF Chattogram Sea Port, CFR Mongla Port, or CFR Kamalapur ICD Dhaka.
  • • L/C Structure: Irrevocable L/C At Sight, UPAS L/C (90–180 Days), or Back-to-Back L/C for export mills.
  • • Proforma Invoice: Issued directly on seller's letterhead (producer or established trade hub).
  • • Documentation: Batch COA, Commercial Invoice, Packing List, Clean On-Board B/L, Certificate of Origin, 14–21 days detention free-time.
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