Textile Dyeing Rongalite Auxiliary Chemical
> Textile Dyeing Rongalite Auxiliary Chemical is a specialty formulation of sodium formaldehyde sulfoxylate in powdered form, used for discharge printing on textiles. Despite the trade name, it is a chemically defined sodium sulphoxylate, not a preparation, and is classified under tariff item 2831.10.00. The product meets Chapter 28 Note 1(a) as a separate compound.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is formulated with other agents for textile finishing
Preparations for textile processing may fall under heading 38.09.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• > Ensure the product is not mixed with other textile auxiliaries, as that would reclassify it under Chapter 38
• Provide a detailed product data sheet showing the active ingredient content
• Verify that the product is not considered a hazardous waste, which would require special permits
Related Products under Tariff item 2831.10.00
Industrial Sodium Hydrosulfite Substitute Rongalite
> Industrial Sodium Hydrosulfite Substitute Rongalite is a stable, free-flowing powder of sodium formaldehyde sulfoxylate, used as a reducing agent in bleaching and dechlorination processes for pulp and textiles. It is a separate chemically defined inorganic compound of sodium, meeting the scope of Chapter 28 Note 1(a). It falls under tariff item 2831.10.00 as a sulphoxylate of sodium.
Rongalite C Technical Grade
> Rongalite C Technical Grade is a commercial form of sodium formaldehyde sulfoxylate, supplied as a white, free-flowing powder for industrial vat dyeing. As a chemically defined sodium sulphoxylate, it is classified under tariff item 2831.10.00. The technical grade does not alter its identity as a separate compound.
Sodium Dithionite 88% Technical Grade
> Sodium Dithionite 88% Technical Grade is sodium dithionite (Na2S2O4), also known as sodium hydrosulfite, in powder form for industrial textile bleaching and vat dyeing. It is a separate chemically defined inorganic compound of sodium, meeting Chapter 28 Note 1(a). It is classified under tariff item 2831.10.00 as a dithionite of sodium.
Sodium Dithionite Flakes Industrial
> Sodium Dithionite Flakes Industrial is a flaked form of sodium dithionite for easier handling in wastewater treatment and food processing decolorization. As a chemically defined sodium dithionite, it is classified under tariff item 2831.10.00. The flake form does not affect its classification as a separate compound.
Sodium Dithionite for Dyeing 90% Min
> Sodium Dithionite for Dyeing 90% Min is a high-purity sodium dithionite with a minimum 90% assay, used for indigo dyeing in denim production. It is a separate chemically defined compound of sodium, meeting Chapter 28 Note 1(a). It falls under tariff item 2831.10.00 as a dithionite of sodium.
Sodium Formaldehyde Sulfoxylate 99% Pure Crystals
> Sodium Formaldehyde Sulfoxylate 99% Pure Crystals is a high-purity crystalline compound used in chemical synthesis and as a bleaching assistant in paper manufacturing. It is a separate chemically defined compound of sodium, satisfying Chapter 28 Note 1(a). It is correctly classified under tariff item 2831.10.00 as a sulphoxylate of sodium.