{
 "heading": "2935",
 "chapter": "29",
 "title": "Sulfonamides",
 "asOf": "2026-09-01",
 "htsRevision": "2026HTSRev17",
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   "code": "2935100000",
   "formatted": "2935.10.00.00",
   "description": "N-Methyl perfluorooctane sulfonamide",
   "column1General": "6.5%",
   "column1Special": "Free (A+,AU,BH,CL,CO,D, E,IL, JO, KR,MA,OM,P, PA,PE,S,SG)",
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   "code": "2935200000",
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   "code": "2935300000",
   "formatted": "2935.30.00.00",
   "description": "N-Ethyl -N-(2-hydroxyethyl)perfluorooctane sulfonamide",
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   "code": "2935400000",
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  {
   "code": "2935500000",
   "formatted": "2935.50.00.00",
   "description": "Other perfluorooctane sulfonamides",
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   "column2": "15.4¢/kg + 57.5%",
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   "code": "2935900600",
   "formatted": "2935.90.06.00",
   "description": "4-Amino-6-chloro-m-benzenedisulfonamide and Methyl-4-aminobenzenesulfonylcarbamate (Asulam)",
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   "column2": "15.4¢/kg + 41%",
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  {
   "code": "2935901000",
   "formatted": "2935.90.10.00",
   "description": "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",
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   "code": "2935901300",
   "formatted": "2935.90.13.00",
   "description": "(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",
   "column1General": "Free",
   "column1Special": null,
   "column2": "15.4¢/kg + 57.5%",
   "unitsOfQuantity": [
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  {
   "code": "2935901500",
   "formatted": "2935.90.15.00",
   "description": "o-Toluenesulfonamide",
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  {
   "code": "2935902000",
   "formatted": "2935.90.20.00",
   "description": "Fast color bases and fast color salts",
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   "column1Special": "Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)",
   "column2": "15.4¢/kg + 54.5%",
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   "code": "2935902900",
   "formatted": "2935.90.29.00",
   "description": "Acetylsulfaguanidine",
   "column1General": "Free",
   "column1Special": null,
   "column2": "15.4¢/kg + 96%",
   "unitsOfQuantity": [
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  {
   "code": "2935903000",
   "formatted": "2935.90.30.00",
   "description": "Sulfamethazine",
   "column1General": "Free",
   "column1Special": null,
   "column2": "15.4¢/kg + 80%",
   "unitsOfQuantity": [
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  {
   "code": "2935903200",
   "formatted": "2935.90.32.00",
   "description": "Acetylsulfisoxazole; Sulfacetamide, sodium; and Sulfamethazine, sodium",
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   "code": "2935903300",
   "formatted": "2935.90.33.00",
   "description": "Sulfathiazole and Sulfathiazole, sodium",
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   "code": "2935904200",
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   "description": "Salicylazosulfapyridine (Sulfasalazine); Sulfadiazine; Sulfaguanidine; Sulfamerizine; and Sulfapyridine",
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   "code": "2935904800",
   "formatted": "2935.90.48.00",
   "description": "Other",
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   "column1Special": "Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG)",
   "column2": "15.4¢/kg + 96%",
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  },
  {
   "code": "2935906000",
   "formatted": "2935.90.60.00",
   "description": "Other",
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   "column2": "15.4¢/kg + 45%",
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  },
  {
   "code": "2935907500",
   "formatted": "2935.90.75.00",
   "description": "Products described in additional U.S. note 3 to section VI",
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   "column1Special": "Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG)",
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  },
  {
   "code": "2935909500",
   "formatted": "2935.90.95.00",
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   "column1Special": "Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG)",
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 ],
 "attribution": "Tariff Watch, https://tariffwatch.io. Rates are informational, not a ruling or legal advice.",
 "citeAs": "Tariff Watch, tariffwatch.io/hts/2935, retrieved 2026-09-04",
 "disclaimer": "Informational only. Not a ruling, a binding classification, or legal advice."
}