HTS 2933.19.08.00: US import duty from China

Heterocyclic compounds with nitrogen hetero-atom(s) only, Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, Other, Aromatic or modified aromatic, 3-(5-Amino-3-methyl-1<i>H</i>-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-(<i>m</i>-Chlorophenyl)-3-methyl-2-pyrazolin- 5-one;<i>p</i>-Chloropyrazolone; 1-(2',5'-Dichlorophenyl)-3-methyl-2- pyrazolin-5-one; 1-(<i>o</i>-Ethylphenyl)-3-methyl-2-pyrazolin- 5-one; 5-Imino-3-methyl-1-phenylpyrazole; 5-Imino-3-methyl-1-(<i>m</i>-sulfophenyl)- pyrazole; 2,4-Methylcarboxypyrazolic acid; Methylphenylpyrazolone; and Sulfinpyrazone. Here is the full China to US duty stack and what it costs to land.

Duty rate & fees

ChargeRate
Base duty (MFN)5.8%
Section 301 (Lists 1-4)25%
Total duty (on customs value)30.8%
Merchandise Processing Fee (MPF)0.3464% (min $33.58, max $651.50)
Harbor Maintenance Fee (HMF), ocean0.125%

Worked example: $10,000 shipment

Customs value$10,000.00
Base duty (MFN)$580.00
Section 301 (Lists 1-4)$2,500.00
Merchandise Processing Fee$34.64
Harbor Maintenance Fee$12.50
Total landed cost$13,127.14

Excludes freight and insurance. Run your exact numbers in the calculator →

FAQ

What is the import duty on HTS 2933.19.08.00 from China?

Goods classified under HTS 2933.19.08.00 (Heterocyclic compounds with nitrogen hetero-atom(s) only, Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, Other, Aromatic or modified aromatic, 3-(5-Amino-3-methyl-1<i>H</i>-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-(<i>m</i>-Chlorophenyl)-3-methyl-2-pyrazolin- 5-one;<i>p</i>-Chloropyrazolone; 1-(2',5'-Dichlorophenyl)-3-methyl-2- pyrazolin-5-one; 1-(<i>o</i>-Ethylphenyl)-3-methyl-2-pyrazolin- 5-one; 5-Imino-3-methyl-1-phenylpyrazole; 5-Imino-3-methyl-1-(<i>m</i>-sulfophenyl)- pyrazole; 2,4-Methylcarboxypyrazolic acid; Methylphenylpyrazolone; and Sulfinpyrazone) have a duty of 30.8% of the customs value on the China to US lane (base rate plus any Section 301 tariff), plus the Merchandise Processing Fee (0.3464%, min $33.58, max $651.50) and, for ocean shipments, the Harbor Maintenance Fee (0.125%).

What does HTS code 2933.19.08.00 cover?

Heterocyclic compounds with nitrogen hetero-atom(s) only, Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, Other, Aromatic or modified aromatic, 3-(5-Amino-3-methyl-1<i>H</i>-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-(<i>m</i>-Chlorophenyl)-3-methyl-2-pyrazolin- 5-one;<i>p</i>-Chloropyrazolone; 1-(2',5'-Dichlorophenyl)-3-methyl-2- pyrazolin-5-one; 1-(<i>o</i>-Ethylphenyl)-3-methyl-2-pyrazolin- 5-one; 5-Imino-3-methyl-1-phenylpyrazole; 5-Imino-3-methyl-1-(<i>m</i>-sulfophenyl)- pyrazole; 2,4-Methylcarboxypyrazolic acid; Methylphenylpyrazolone; and Sulfinpyrazone. US Customs and Border Protection determines the final classification at entry.

How much does it cost to import HTS 2933.19.08.00 from China?

On a $10,000 shipment, the estimated total landed cost is $13,127, about 31.3% in duty and fees. Use the calculator for your exact value, quantity, and shipping mode.

Related codes in heading 2933

All of Chapter 29: Organic chemicals

Estimates for planning only. Final classification and duty are determined by U.S. Customs and Border Protection at entry. Rates from USITC HTSUS 2026-06-15-cn-us. The IEEPA reciprocal tariff was struck down (SCOTUS, 2026-02-20) and is excluded. Not legal or customs-broker advice.