7-Nitronaphth[1,2]oxadiazole-5-sulfonic acid and its salts
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Aromatic or modified aromatic: > 7-Nitronaphth[1,2]oxadiazole-5-sulfonic acid and its salts
Duty Rate (from China)
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified under HTS 2934.99.06.00
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.
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.