HTS 2933.99.12.00: US import duty from China

Heterocyclic compounds with nitrogen hetero-atom(s) only, Other, Other, Aromatic or modified aromatic, 6-Bromo-5-methyl-1<i>H</i>-imidazo[4,5-<i>b</i>]- pyridine; 2-<i>sec</i>-Butyl-4-<i>tert</i>-butyl-6-(benzotriazol-2- yl)phenol; 2-<i>tert</i>-Butyl-4-methyl-6-(5-chlorobenzotri- azol-2-yl)phenol; 2,4-Di-<i>tert</i>-butyl-6-(benzotriazol-2-yl)phenol; 2,4-Di-<i>tert</i>-butyl-6-(5-chlorobenzotriazol-2- yl)phenol; 2,3-Dichloro-6-quinoxalinecarbonyl chloride; 1-Hydroxy-2-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid, sodium salt; Iminodibenzyl(10,11-dihydro-5<i>H</i>-dibenz- [<i>b</i>,f]azepine); Indoline; 3-Methylbenzo[f]quinoline; 2-Methylindoline; 2-Methylmercaptobenzimidazole; 1-Methyl-2-phenylindole; 1-Methylpyrazine; 2,4-Methylpyrazolic acid; 2-Phenylbenzimidazole; 2-Phenylindole; Tetramethylpyrazine; 2,3,5-Triphenyltetrazolium chloride;<i>dl</i>-Tryptophan; and Vinylcarbazole, monomer. Here is the full China to US duty stack and what it costs to land.

Duty rate & fees

ChargeRate
Base duty (MFN)5.8%
Total duty (on customs value)5.8%
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
Merchandise Processing Fee$34.64
Harbor Maintenance Fee$12.50
Total landed cost$10,627.14

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

FAQ

What is the import duty on HTS 2933.99.12.00 from China?

Goods classified under HTS 2933.99.12.00 (Heterocyclic compounds with nitrogen hetero-atom(s) only, Other, Other, Aromatic or modified aromatic, 6-Bromo-5-methyl-1<i>H</i>-imidazo[4,5-<i>b</i>]- pyridine; 2-<i>sec</i>-Butyl-4-<i>tert</i>-butyl-6-(benzotriazol-2- yl)phenol; 2-<i>tert</i>-Butyl-4-methyl-6-(5-chlorobenzotri- azol-2-yl)phenol; 2,4-Di-<i>tert</i>-butyl-6-(benzotriazol-2-yl)phenol; 2,4-Di-<i>tert</i>-butyl-6-(5-chlorobenzotriazol-2- yl)phenol; 2,3-Dichloro-6-quinoxalinecarbonyl chloride; 1-Hydroxy-2-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid, sodium salt; Iminodibenzyl(10,11-dihydro-5<i>H</i>-dibenz- [<i>b</i>,f]azepine); Indoline; 3-Methylbenzo[f]quinoline; 2-Methylindoline; 2-Methylmercaptobenzimidazole; 1-Methyl-2-phenylindole; 1-Methylpyrazine; 2,4-Methylpyrazolic acid; 2-Phenylbenzimidazole; 2-Phenylindole; Tetramethylpyrazine; 2,3,5-Triphenyltetrazolium chloride;<i>dl</i>-Tryptophan; and Vinylcarbazole, monomer) have a duty of 5.8% 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 2933.99.12.00 cover?

Heterocyclic compounds with nitrogen hetero-atom(s) only, Other, Other, Aromatic or modified aromatic, 6-Bromo-5-methyl-1<i>H</i>-imidazo[4,5-<i>b</i>]- pyridine; 2-<i>sec</i>-Butyl-4-<i>tert</i>-butyl-6-(benzotriazol-2- yl)phenol; 2-<i>tert</i>-Butyl-4-methyl-6-(5-chlorobenzotri- azol-2-yl)phenol; 2,4-Di-<i>tert</i>-butyl-6-(benzotriazol-2-yl)phenol; 2,4-Di-<i>tert</i>-butyl-6-(5-chlorobenzotriazol-2- yl)phenol; 2,3-Dichloro-6-quinoxalinecarbonyl chloride; 1-Hydroxy-2-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid, sodium salt; Iminodibenzyl(10,11-dihydro-5<i>H</i>-dibenz- [<i>b</i>,f]azepine); Indoline; 3-Methylbenzo[f]quinoline; 2-Methylindoline; 2-Methylmercaptobenzimidazole; 1-Methyl-2-phenylindole; 1-Methylpyrazine; 2,4-Methylpyrazolic acid; 2-Phenylbenzimidazole; 2-Phenylindole; Tetramethylpyrazine; 2,3,5-Triphenyltetrazolium chloride;<i>dl</i>-Tryptophan; and Vinylcarbazole, monomer. US Customs and Border Protection determines the final classification at entry.

How much does it cost to import HTS 2933.99.12.00 from China?

On a $10,000 shipment, the estimated total landed cost is $10,627, about 6.3% 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.