HTS heading 2935: Sulfonamides
Heading 2935 of the US Harmonized Tariff Schedule covers Sulfonamides. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.
Heading 2935 at a glance
- 19 rated tariff lines; 5 duty-free at the general (MFN) rate.
- Ad valorem general rates from 6.5% to 6.5%.
- Section 301 (products of China): 0 of 19 lines on a list in effect.
Goods named in this heading (official line texts): N-Methyl perfluorooctane sulfonamide, N-Ethyl perfluorooctane sulfonamide, N-Ethyl -N-(2-hydroxyethyl)perfluorooctane sulfonamide, N-(2-hydroxyethyl)-N-methyl perfluorooctane sulfonamide, 4-Amino-6-chloro-m-benzenedisulfonamide and Methyl-4-aminobenzenesulfonylcarbamate (Asulam), 2-Amino-N-ethylbenzenesulfonanilide; 5-Amino-α,α,α-trifluorotoluene-2,4-disulfonamide; Benzene…, (5‐[2‐Chloro‐4‐ (trifl.
Subheadings (6-digit)
- 2935.10: N-Methyl perfluorooctane sulfonamide (1 line)
- 2935.20: N-Ethyl perfluorooctane sulfonamide (1 line)
- 2935.30: N-Ethyl -N-(2-hydroxyethyl)perfluorooctane sulfonamide (1 line)
- 2935.40: N-(2-hydroxyethyl)-N-methyl perfluorooctane sulfonamide (1 line)
- 2935.50: Sulfonamides: Other perfluorooctane sulfonamides (1 line)
- 2935.90: Other (14 lines)
All tariff lines in heading 2935
| Line | Description | General | Section 301 (China) | Exclusions |
|---|---|---|---|---|
| 2935.10.00 | N-Methyl perfluorooctane sulfonamide | 6.5% | none | |
| 2935.20.00 | N-Ethyl perfluorooctane sulfonamide | 6.5% | none | |
| 2935.30.00 | N-Ethyl -N-(2-hydroxyethyl)perfluorooctane sulfonamide | 6.5% | none | |
| 2935.40.00 | N-(2-hydroxyethyl)-N-methyl perfluorooctane sulfonamide | 6.5% | none | |
| 2935.50.00 | Sulfonamides: Other perfluorooctane sulfonamides | 6.5% | none | |
| 2935.90.06 | 4-Amino-6-chloro-m-benzenedisulfonamide and Methyl-4-aminobenzenesulfonylcarbamate (Asulam) | 6.5% | none | |
| 2935.90.10 | 2-Amino-N-ethylbenzenesulfonanilide; 5-Amino-α,α,α-trifluorotoluene-2,4-disulfonamide; Benzene… | 6.5% | none | |
| 2935.90.13 | (5‐[2‐Chloro‐4‐ (trifluoromethyl)phenoxy]‐N‐ (methylsulfonyl)‐2‐nitrobenzamide) (Fomesafen); N… | Free | none | |
| 2935.90.15 | Other: o-Toluenesulfonamide | 6.5% | none | |
| 2935.90.20 | Fast color bases and fast color salts | 6.5% | none | |
| 2935.90.29 | Anti-infective agents: Acetylsulfaguanidine | Free | none | |
| 2935.90.30 | Anti-infective agents: Sulfamethazine | Free | none | |
| 2935.90.32 | Acetylsulfisoxazole; Sulfacetamide, sodium; and Sulfamethazine, sodium | 6.5% | none | |
| 2935.90.33 | Sulfathiazole and Sulfathiazole, sodium | Free | none | |
| 2935.90.42 | Salicylazosulfapyridine (Sulfasalazine); Sulfadiazine; Sulfaguanidine; Sulfamerizine; and Sulf… | Free | none | |
| 2935.90.48 | Anti-infective agents: Other | 6.5% | none | |
| 2935.90.60 | Drugs: Other | 6.5% | none | |
| 2935.90.75 | Products described in additional U.S. note 3 to section VI | 6.5% | none | |
| 2935.90.95 | Other: Other | 6.5% | none |
All of chapter 29 · Chapter 29 rate summary · HTS lookup
General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.
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