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HTS lookup › Chapter 29 › Heading 2935

HTS 2935.90 (2935.90.00) duty rate

2935.90.00 is not a rated tariff line. Subheading 2935.90 (Sulfonamides › Other) is split into 14 tariff lines, and the duty rate depends on which one your product falls under:

LineDescriptionGeneralSection 301 (China)Exclusions
2935.90.064-Amino-6-chloro-m-benzenedisulfonamide and Methyl-4-aminobenzenesulfonylcarbamate (Asulam)6.5%none
2935.90.102-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…Freenone
2935.90.15Other: o-Toluenesulfonamide6.5%none
2935.90.20Fast color bases and fast color salts6.5%none
2935.90.29Anti-infective agents: AcetylsulfaguanidineFreenone
2935.90.30Anti-infective agents: SulfamethazineFreenone
2935.90.32Acetylsulfisoxazole; Sulfacetamide, sodium; and Sulfamethazine, sodium6.5%none
2935.90.33Sulfathiazole and Sulfathiazole, sodiumFreenone
2935.90.42Salicylazosulfapyridine (Sulfasalazine); Sulfadiazine; Sulfaguanidine; Sulfamerizine; and Sulf…Freenone
2935.90.48Anti-infective agents: Other6.5%none
2935.90.60Drugs: Other6.5%none
2935.90.75Products described in additional U.S. note 3 to section VI6.5%none
2935.90.95Other: Other6.5%none

Open the line that matches your product for its full rate table, Section 301 actions, exclusions, statistical suffixes and a free duty calculator.

Official USITC HTS, 2026HTSRev22 · check on hts.usitc.gov

Subheading 2935.90 at a glance

Heading 2935 · Chapter 29 · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC); not legal or customs advice. Classification is decided by CBP.

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