2,5-Dichloroaniline-4-sulfonic acid monosodium salt

The monosodium salt of 2,5-dichloroaniline-4-sulfonic acid is explicitly listed under HTS 2921.42.36.00 per Chapter 29 salt classification rules. Commonly used in acid dye production.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

2921.42Same rate: 35%

If disodium salt or hydrated forms

Only monosodium salt explicitly named; other salts default to 'other' aniline derivatives.

2833.19.00.00Same rate: 35%

If classified primarily by sulfonic acid salt

Chapter 29 note C(1) keeps organic salts with parent amine-function compound.

3204.11.50.00Higher: 41.5% vs 35%

If pre-formulated into dye coupler

Mixtures for specific dye use may classify under synthetic organic coloring matter.

Not sure which classification is right?

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Import Tips & Compliance

Salt content verification via assay required; sodium content affects exact match to HTS description

Stable under normal transport but monitor for decomposition to free acid during storage

EU REACH registration often required for EU-origin material; verify Annex XVII restrictions