US Import Duty

HTS 2933.19.23.00 Heterocyclic compounds with nitrogen hetero-atom(s) only › Other › 2-Chloro-5-sulfophenylmethylpyrazolone; 2,5-Dichloro-4-(3-methyl-5-oxo-2- pyrazolin-1-yl) benzenesulfonic acid; Phenyl carbethoxypyrazolone;m-Sulfaminopyrazolone (m-Sulfamido- phenyl methyl pyrazolone); and 1-(p-Sulfophenyl)-3-methyl pyrazolone › Pesticides

$
Official US import duty 6.5%

With trade agreement: Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)

HTS code 2933.19.23.00 covers "Heterocyclic compounds with nitrogen hetero-atom(s) only › Other › 2-Chloro-5-sulfophenylmethylpyrazolone; 2,5-Dichloro-4-(3-methyl-5-oxo-2- pyrazolin-1-yl) benzenesulfonic acid; Phenyl carbethoxypyrazolone;m-Sulfaminopyrazolone (m-Sulfamido- phenyl methyl pyrazolone); and 1-(p-Sulfophenyl)-3-methyl pyrazolone › Pesticides" under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.

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Related HTS codes

2933.11.00.00 Phenazone (Antipyrine) and its derivatives 6.5%2933.19.04.00 Aminomethylphenylpyrazole (Phenylmethylaminopyrazole); and 3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one (p-Tolyl methyl pyrazolone) Free2933.19.08.00 3-(5-Amino-3-methyl-1H-pyrazol-1-yl)- benzenesulfonic acid; Amino-J-pyrazolone; 3-Amino-1-(2,4,6-trichlorophenyl)-5- pyrazolone; 3-Carboxy-1,4-sulfophenylpyrazol-5-one; 4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1- yl)benzenesulfonic acid; 1-(m-Chlorophenyl)-3-methyl-2-pyrazolin- 5-one;p-Chloropyrazolone; 1-(2',5'-Dichlorophenyl)-3-methyl-2- pyrazolin-5-one; 1-(o-Ethylphenyl)-3-methyl-2-pyrazolin- 5-one; 5-Imino-3-methyl-1-phenylpyrazole; 5-Imino-3-methyl-1-(m-sulfophenyl)- pyrazole; 2,4-Methylcarboxypyrazolic acid; Methylphenylpyrazolone; and Sulfinpyrazone 5.8%2933.19.15.00 1,2-Dimethyl-3,5-diphenyl-1H-pyrazolium methyl sulfate (Difenzoquat methyl sulfate) Free2933.19.18.00 2-Chloro-5-sulfophenylmethylpyrazolone; 2,5-Dichloro-4-(3-methyl-5-oxo-2- pyrazolin-1-yl) benzenesulfonic acid; Phenyl carbethoxypyrazolone;m-Sulfaminopyrazolone (m-Sulfamido- phenyl methyl pyrazolone); and 1-(p-Sulfophenyl)-3-methyl pyrazolone Free2933.19.30 Photographic chemicals 6.5%2933.19.35.00 Drugs 6.5%2933.19.37.00 Products described in additional U.S. note 3 to section VI 6.5%2933.19.43.00 Other 6.5%2933.19.45.00 Drugs 3.7%2933.19.70.00 3-Methyl-5-pyrazolone Free2933.19.90.00 Other 6.5%

U.S. exports of Heterocyclic compounds with nitrogen hetero-atom(s) only

The United States exported $2.3 billion of goods under HS heading 2933 in 2025, to 125 countries and territories. Top destination markets:

CountryExports 2025YTD
Brazil$433 million▼ −11%
Belgium$360 million▼ −0.7%
Canada$293 million▼ −27%
Germany$163 million▼ −33%
China$138 million▼ −6.0%

January–July 2026: $1.4 billion (▼ −11%)

All markets and states for this product →

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. Source: U.S. Census Bureau, International Trade data (census.gov/foreign-trade), FAS value in current U.S. dollars, latest month July 2026. Change vs the same months of the previous year: Fromerica calculation.

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Official US tariff data (USITC), refreshed daily.Last checked against the official schedule: . See recent US tariff changes →