HTS heading 2935
Sulfonamides — 21 codes under this heading, with the duty on each.
| Code | Description | General rate | Units |
|---|---|---|---|
| 2935 | Sulfonamides + Ch. 99 | not stated | — |
| 2935.10.00.00 | N-Methyl perfluorooctane sulfonamide + Ch. 99 | 6.5% | kg |
| 2935.20.00.00 | N-Ethyl perfluorooctane sulfonamide + Ch. 99 | 6.5% | kg |
| 2935.30.00.00 | N-Ethyl -N-(2-hydroxyethyl)perfluorooctane sulfonamide + Ch. 99 | 6.5% | kg |
| 2935.40.00.00 | N-(2-hydroxyethyl)-N-methyl perfluorooctane sulfonamide + Ch. 99 | 6.5% | kg |
| 2935.50.00.00 | Other perfluorooctane sulfonamides + Ch. 99 | 6.5% | kg |
| 2935.90 | Other + Ch. 99 | not stated | — |
| 2935.90.06.00 | 4-Amino-6-chloro-m-benzenedisulfonamide and Methyl-4-aminobenzenesulfonylcarbamate (Asulam) + Ch. 99 | 6.5% | kg |
| 2935.90.10.00 | 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 + Ch. 99 | 6.5% | kg |
| 2935.90.13.00 | (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 + Ch. 99 | Free | kg |
| 2935.90.15.00 | o-Toluenesulfonamide + Ch. 99 | 6.5% | kg |
| 2935.90.20.00 | Fast color bases and fast color salts + Ch. 99 | 6.5% | kg |
| 2935.90.29.00 | Acetylsulfaguanidine + Ch. 99 | Free | kg |
| 2935.90.30.00 | Sulfamethazine + Ch. 99 | Free | kg |
| 2935.90.32.00 | Acetylsulfisoxazole; Sulfacetamide, sodium; and Sulfamethazine, sodium + Ch. 99 | 6.5% | kg |
| 2935.90.33.00 | Sulfathiazole and Sulfathiazole, sodium + Ch. 99 | Free | kg |
| 2935.90.42.00 | Salicylazosulfapyridine (Sulfasalazine); Sulfadiazine; Sulfaguanidine; Sulfamerizine; and Sulfapyridine + Ch. 99 | Free | kg |
| 2935.90.48.00 | Other + Ch. 99 | 6.5% | kg |
| 2935.90.60.00 | Other + Ch. 99 | 6.5% | kg |
| 2935.90.75.00 | Products described in additional U.S. note 3 to section VI + Ch. 99 | 6.5% | kg |
| 2935.90.95.00 | Other + Ch. 99 | 6.5% | kg |
Additional duties may apply
21 lines here reference Chapter 99, where Section 301, Section 232 and other additional duties live. Those are charged on top of the general rate and depend on where the goods were made. What those provisions are.
Source: Harmonized Tariff Schedule of the United States, U.S. International Trade Commission (public domain). Classification and the duties that finally apply to a shipment are a licensed customs broker's call.