From Chapter 29: Chapter 29
| HTS Code | Description | General Duty |
|---|---|---|
| 2935100000 | Sulfonamides N-Methyl perfluorooctane sulfonamide | 6.5% |
| 2935200000 | Sulfonamides N-Ethyl perfluorooctane sulfonamide | 6.5% |
| 2935300000 | Sulfonamides N-Ethyl -N-(2-hydroxyethyl)perfluorooctane sulfonamide | 6.5% |
| 2935400000 | Sulfonamides N-(2-hydroxyethyl)-N-methyl perfluorooctane sulfonamide | 6.5% |
| 2935500000 | Sulfonamides Other perfluorooctane sulfonamides | 6.5% |
| 2935900600 | Other 4-Amino-6-chloro-m-benzenedisulfonamide and Methyl-4-aminobenzenesulfonylcarbamate (Asulam) | 6.5% |
| 2935901000 | Other 2-Amino-N-ethylbenzenesulfonanilide; 5-Amino-α,α,α-trifluorotoluene-2,4-disulfonamide; Benzenesulfonamide; Benzenesulfonyl hydrazide; 2-Chloro-4-amino-5-hydroxybenzenesulfonamide; 2,5-Dimethoxysulfanilanilide; and Metanilamide | 6.5% |
| 2935901300 | Other (5‐[2‐Chloro‐4‐ (trifluoromethyl)phenoxy]‐N‐ (methylsulfonyl)‐2‐nitrobenzamide) (Fomesafen); N‐(2,6‐Dichloro‐3‐ methylphenyl)‐5‐ amino‐1,3,4‐triazole‐2‐sulfonamide; 2,4‐Dichloro‐5‐ sulfamoylbenzoic acid; N‐Ethyl‐o‐ toluenesulfonamide; N‐Ethyl‐p‐toluenesulfonamide; 7-(Hexadecylsulfonylamino) ‐1H‐indole; Methyl 5‐{[(4,6‐dimethoxy‐2‐pyrimidinyl)amino]‐ carbonylaminosulfonyl} ‐3‐chloro‐1‐methyl‐1H‐pyrazole‐4‐carboxylate (Halosulfuron methyl); and Mixtures of ortho‐ and para-toluenesulfonamides | Free |
| 2935901500 | Other o-Toluenesulfonamide | 6.5% |
| 2935902000 | Other Fast color bases and fast color salts | 6.5% |
| 2935902900 | Anti-infective agents Acetylsulfaguanidine | Free |
| 2935903000 | Anti-infective agents Sulfamethazine | Free |
| 2935903200 | Anti-infective agents Acetylsulfisoxazole; Sulfacetamide, sodium; and Sulfamethazine, sodium | 6.5% |
| 2935903300 | Anti-infective agents Sulfathiazole and Sulfathiazole, sodium | Free |
| 2935904200 | Anti-infective agents Salicylazosulfapyridine (Sulfasalazine); Sulfadiazine; Sulfaguanidine; Sulfamerizine; and Sulfapyridine | Free |
| 2935904800 | Anti-infective agents Other | 6.5% |
| 2935906000 | Drugs Other | 6.5% |
| 2935907500 | Other Products described in additional U.S. note 3 to section VI | 6.5% |
| 2935909500 | Other Other | 6.5% |