Bulk Sulfanilic Acid Flakes

Sulfanilic acid produced in flake form for industrial dye and pigment manufacturing is classified under HTS 2921.42.22.00 as the specific aniline derivative salt. The physical form does not affect chemical classification under Chapter 29 aromatic monoamines.

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.

2929.90Lower: 16.5% vs 41.5%

If containing mercury compounds

Organo-mercury compounds shift to later Chapter 29 heading per numerical order rule.

3204.19.40.00Lower: 16.5% vs 41.5%

If pre-reacted with diazonium salts

Azo pigment intermediates become synthetic coloring matter.

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Import Tips & Compliance

Specify flake purity and moisture content (<1%) in commercial invoice

Use 25kg fiber drums with PE liner; comply with IMDG corrosive solid packing

Avoid bulk liquid declaration—flakes are solid form only