Formaldehyde-Sulfoxylate Reducing Agent

Industrial reducing agent combining formaldehyde sulfoxylate with inorganic salts for leather dyeing and finishing processes. Covered by HTS 3824.99.32.00 for sulfoxylate-based inorganic compound mixtures.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+35.0%41.5%
🇲🇽Mexico6.5%+10.0%16.5%
🇨🇦Canada6.5%+10.0%16.5%
🇩🇪Germany6.5%+10.0%16.5%
🇯🇵Japan6.5%+10.0%16.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3204.19.40.00Lower: 16.5% vs 41.5%

If synthetic organic colorant preparations

Mixtures containing synthetic organic coloring matter classified in heading 3204.

3824.99Same rate: 41.5%

If organic complexing agent formulations

Formulations with primarily organic functional additives classified as organic chemical mixtures.

3809.93.50.00Lower: 41% vs 41.5%

If leather finishing preparations

Specific preparations for leather treatment directed to heading 3809 when applicable.

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Import Tips & Compliance

TSCA registration required for formaldehyde-releasing compounds

Formaldehyde emission testing may be needed

Distinguish from pure dye vat reducers (2831)

Related Products under HTS 3824.99.32.00

Sodium Hydrosulfite Dye Vat Discharge Agent

A chemical mixture containing sodium hydrosulfite (Na2S2O4) used in textile dyeing to discharge color from vat dyes, creating white patterns on indigo-dyed denim. This preparation falls under HTS 3824.99.32.00 as a mixture of hydrosulfite compounds with other inorganic substances for industrial textile processing.

Zinc Formaldehyde Sulfoxylate Bleaching Powder

A dry powder formulation of zinc sulfoxylate formaldehyde (Zn(CHO)2SO2) mixed with stabilizers, used for bleaching and discharging in printing textiles and paper. Classified under HTS 3824.99.32.00 due to its sulfoxylate compound content in an inorganic mixture designed for industrial decolorization.

Hydrosulfite-Sulfoxylate Textile Discharge Paste

Thickened paste combining sodium hydrosulfite and sodium formaldehyde sulfoxylate for screen printing discharge effects on fabrics. This dual-compound inorganic mixture is specifically classified under HTS 3824.99.32.00 for its hydrosulfite and sulfoxylate composition.

Industrial Sodium Dithionite Reducing Solution

Aqueous solution of sodium dithionite (hydrosulfite) with inorganic buffers for vat dyeing reduction in textile mills. Falls under HTS 3824.99.32.00 as a mixture of hydrosulfite compounds with other inorganic substances for chemical processing.

Sulfoxylate Bleach for Paper Manufacturing

Mixture containing sodium sulfoxylate with inorganic activators used in paper pulp bleaching processes to remove color impurities. Classified in HTS 3824.99.32.00 specifically for sulfoxylate compound mixtures in industrial applications.

Denim Discharge Printing Hydrosulfite Paste

Specialty paste of sodium hydrosulfite compounded with inorganic thickeners for creating white discharge prints on indigo denim fabric. This preparation qualifies under HTS 3824.99.32.00 as containing hydrosulfite compounds in mixture form.