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

Ammonium salt providing volatility advantages in certain dye sublimation processes, covered by HTS 2934.99.06.00 salts provision. The ammonium counterion facilitates thermal decomposition applications in specialty colorants.

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.

2921.42Higher: 16.5% vs 6.5%

If amide/amine function predominates in classification

Ammonium functionality might trigger Chapter 29 amine headings

3102.80.00.00Higher: 25% vs 6.5%

If containing significant ammoniacal nitrogen

High nitrogen content could shift to fertilizer ammonium salts

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Import Tips & Compliance

Document ammonia content to prevent misclassification as free base

Special ventilation requirements due to ammonia off-gassing potential

Confirm pH stability as ammonium salts can hydrolyze in transit