Base
HTS 2933.99.12.00Chapter 29

HTS 2933.99.12.006-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 Duty Rate & Import Guide

Organic Chemicals · $164.2M monthly imports · 100% from 1 countries · Updated daily from USITC

Duty Rates

General

5.8%

Special

Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)

Column 2

15.4¢/kg + 39.5%

Units: kg

Preferential Rates Available

Trade Agreement Eligibility

CUSMAKORUS

Trade Intelligence

Monthly Imports

$164.2M

2026-01

Trade Concentration

100%

from top 3 of 1 origins

Regulatory Pressure

LOW

0 rulings — · 0 reg · 0 cases

Global Rates

🇺🇸 5.8%

🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: Free · 🇧🇷 Brazil: 36 NCM codes

Compare All →

Data compiled from USITC HTS, US Census Bureau, HMRC / DG TAXUD / CBSA / SISCOMEX · As of 2026-04-28 · Updates monthly

Supply Chain Risk

100% of US imports for this code come from just 1 countries. High origin concentration increases exposure to trade disruptions or tariff escalations.

High-Volume Code

This is a high-volume import code — $164M in monthly US imports. Duty rate changes or trade remedy actions on this code have significant economic impact.

Trade Remedy

Additional Tariffs Apply

Section 301 — China Tariffs+25%

List 2 — ~$16B of Chinese goods (semiconductors, chemicals, plastics)

Active — 7.5%–25% additional duties on Chinese-origin goods across four tranches (Lists 1–4A), with higher 2024/2025 increases on targeted product categories.

Effective 2018-07-06

These additional tariffs apply on top of the general duty rate. View full trade remedy tracker →

Subheadings (1)

CodeDescriptionRate
2933.99.12.006-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, monomer5.8%

Matching Export Code (Schedule B)

2933990500Schedule B

ACRIDINE (10-AZAANTHRACENE) AND INDOLE (2,3-BENZOPYRROLE)

Census Bureau export classification matching this HTS import code.

2933.99.11.002933.99.14.00