2-Amino-5,6-dichloro benzo thiazole; 2-(4-Amino phenyl)-6-methyl benzo thiazole-7- sulfonic acid; 2-Amino-6-nitro benzo thiazole; andN,N-Di cyclo hexyl-2-benzo thiazole sulfenamide
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused: > 2-Amino-5,6-dichloro benzo thiazole; 2-(4-Amino phenyl)-6-methyl benzo thiazole-7- sulfonic acid; 2-Amino-6-nitro benzo thiazole; andN,N-Di cyclo hexyl-2-benzo thiazole sulfenamide
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 2934.20.25.00
2-Amino-5,6-Dichloro Benzothiazole
A chemically defined heterocyclic compound containing a benzothiazole ring system with amino and dichloro substitutions at positions 5 and 6. Classified under HTS 2934.20.25.00 as one of the specifically enumerated benzothiazole derivatives in this subheading. Used primarily as an intermediate in pharmaceutical and dye synthesis.
2-(4-Amino Phenyl)-6-Methyl Benzothiazole-7-Sulfonic Acid
Sulfonated benzothiazole derivative specifically listed under HTS 2934.20.25.00 containing amino phenyl substitution and sulfonic acid functionality. Used in azo dye coupling and pharmaceutical intermediate applications. Meets Chapter 29 definition for chemically defined heterocyclic compounds.
2-Amino-6-Nitro Benzothiazole
Nitro-substituted benzothiazole specifically enumerated in HTS 2934.20.25.00 with amino group at position 2. Chemically defined compound used as photographic chemical intermediate and in rubber accelerator synthesis. Falls under Chapter 29 heading 2934 for benzothiazole ring systems.
N,N-Dicyclohexyl-2-Benzothiazole Sulfenamide (DCBS)
Vulcanization accelerator specifically named in HTS 2934.20.25.00 containing dicyclohexylamine moiety attached to benzothiazole sulfenamide. Primary use in delayed-action rubber curing systems for tire manufacturing. Qualifies as chemically defined organo-sulfur heterocyclic compound.
2-Amino-5,6-Dichloro Benzothiazole Technical Grade 98%
Technical grade version of specifically enumerated benzothiazole derivative under HTS 2934.20.25.00 with minimum 98% purity. Contains stabilizer for transport but meets Chapter 29 note 2(f) criteria. Used in high-temperature dye synthesis.
2-Amino-6-Nitro Benzothiazole Photographic Grade
High purity grade (>99.5%) of HTS 2934.20.25.00 enumerated compound optimized for silver halide emulsion sensitization. Contains anti-dusting agent per Chapter 29 note 2(g). Remains classified as pure chemical despite end use specification.