Potassium 7-Nitronaphth[1,2]oxadiazole-5-sulfonate

Potassium salt variant of the specific sulfonic acid heterocyclic compound under HTS 2934.99.06.00. Offers higher thermal stability than sodium salt, preferred in certain high-temperature dye fixation processes and pharmaceutical salt screening.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%6.5%
🇲🇽Mexico6.5%6.5%
🇨🇦Canada6.5%6.5%
🇩🇪Germany6.5%6.5%
🇯🇵Japan6.5%6.5%

Alternative Classifications

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

2930.90Higher: 13.7% vs 6.5%

If sulfur functionality dominates over heterocyclic character

Organo-sulfur emphasis could shift to Chapter 29 heading 2930

2904Higher: 13.7% vs 6.5%

If for non-heterocyclic sulfonated aromatic analogs

Loses heterocyclic status, moves to sulfonated derivatives heading

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Submit counterion analysis certificate specifying potassium content

Ensure packaging prevents moisture absorption which could form hydrates

Verify no organic solvent residues remain from salt preparation process