Industrial Sodium Hydrosulfite Substitute Rongalite
Rongalite powder serving as a stable alternative to sodium hydrosulfite in bleaching and dechlorination processes for pulp and textiles. HTS 2831.10.1000 applies directly as sodium formaldehyde sulfoxylate, distinguished from dithionites in the same heading. Its formaldehyde stabilization qualifies it under Chapter 28's specific inclusions.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If generic sodium sulfoxylates without formaldehyde
Excludes specific formaldehyde variant, covering other sodium sulfoxylates.
If sodium hypochlorite bleach instead
End-use as bleach might confuse with hypochlorites in 2815.
If used as fuel additive or anti-freeze prep
Antifreezing preparations containing such compounds go to Chapter 38.
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Import Tips & Compliance
• Label as 'non-hazardous' only if stabilized properly; UN 3334 for transport if applicable
• Bulk imports require warehouse storage specs for hygroscopic nature
Related Products under HTS 2831.10.10.00
Sodium Formaldehyde Sulfoxylate Dihydrate Powder
A white crystalline powder, chemically known as sodium formaldehyde sulfoxylate dihydrate (NaHSO2·CH2O·2H2O), used as a reducing agent in textile dyeing and bleaching processes. It falls under HTS 2831.10.1000 as it is specifically the sodium formaldehyde sulfoxylate variant of sodium sulfoxylates, stabilized with organic substances per Chapter 28 notes. This compound acts as a discharge agent for color removal in printing.
Rongalite C Technical Grade
Technical-grade Rongalite C, a commercial form of sodium formaldehyde sulfoxylate, supplied as free-flowing white powder for industrial vat dyeing. Classified under HTS 2831.10.1000 as the specific sodium formaldehyde sulfoxylate, fitting Chapter 28's dithionites/sulfoxylates stabilized with organics. Essential for reducing vat dyes like indigo in denim production.
Textile Dyeing Rongalite Auxiliary Chemical
Specialty Rongalite formulation for textile printing paste discharge, chemically sodium formaldehyde sulfoxylate in powdered form. Precisely matches HTS 2831.10.1000 description for sodium formaldehyde sulfoxylate within sulfoxylates of sodium. Used to create white discharge effects on dyed fabrics.
Sodium Formaldehyde Sulfoxylate 99% Pure Crystals
High-purity 99% crystalline sodium formaldehyde sulfoxylate used in chemical synthesis and as a bleaching assistant in paper manufacturing. It is explicitly covered by HTS 2831.10.1000 as sodium formaldehyde sulfoxylate, a sulfoxylate of sodium per Chapter 28 provisions. The compound's role as an organic-stabilized reducing agent confirms its placement.