7-Nitronaphth[1,2]oxadiazole-5-sulfonic acid
A specific aromatic heterocyclic compound featuring a nitronaphthoxadiazole core with a sulfonic acid group, classified under HTS 2934.99.06.00 as one of the enumerated 'other heterocyclic compounds'. This chemically defined organic compound is used primarily as an intermediate in dye synthesis and pharmaceutical production due to its reactive functional groups.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If structure deviates slightly from exact naphthoxadiazole formula
Would fall under residual 'other heterocyclic compounds' if not specifically enumerated
If imported pre-mixed as synthetic dye intermediate
Mixtures containing this compound formulated for dye use move to Chapter 32 synthetic coloring matter
If supplied as chemical preparation with additives exceeding Chapter 29 tolerances
Preparations with functional additives shift from pure compounds to Chapter 38 chemical mixtures
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Import Tips & Compliance
• Provide detailed chemical analysis certificates confirming the exact structure matches the HTS description to avoid reclassification
• Ensure proper hazardous material labeling as this compound may pose health risks during transport
• Verify purity levels (>98%) as impurities could trigger classification under general 'other' heterocyclic provisions
Related Products under HTS 2934.99.06.00
Sodium 7-Nitronaphth[1,2]oxadiazole-5-sulfonate
The sodium salt form of 7-nitronaphth[1,2]oxadiazole-5-sulfonic acid, explicitly covered by HTS 2934.99.06.00. This water-soluble salt maintains the core heterocyclic structure with sulfonate functionality, used in aqueous dye coupling processes and as a reagent in organic synthesis.
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.
7-Nitronaphth[1,2]oxadiazole-5-sulfonic acid monohydrate
Hydrated crystalline form of the acid compound, still classified under HTS 2934.99.06.00 per Chapter Note 2(d) allowing water dissolution. The monohydrate form enhances handling stability for lab and industrial synthesis applications.
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.