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HTS Code · Chapter 29 · Updated Oct 22, 2026

2921.43.24.002-Amino-5-chloro-4-ethyl benzenesulfonic acid;…

HTS Code 2921.43.24.00 covers any article best defined as Products of the Chemical or Allied IndustriesOrganic chemicalsAmine-function compoundsAromatic monoamines and their derivatives; salts thereof:Toluidines and their derivatives; salts thereof:2-Amino-5-chloro-4-ethyl benzenesulfonic acid; 2-Amino-5-chloro-p-toluenesulfonic acid;p-Nitro-o-toluidine; and 3-(Trifluoromethyl) aniline (m-Aminobenzotrifluoride) in the Harmonized Tariff Schedule.

Estimated Duty on 2921.43.24.00

$10,000.00 by ocean, entered Oct 22, 2026

China
Total duty
37.5%
$3,750.00 on this shipment
Fees
0.47%
MPF + HMF · $47.14
Duty + fees
37.97%
Payable to CBP
Landed cost
$13,797.14
On $10,000.00 customs value
  • Section 301 – China25%
  • Section 301 – Forced Labor12.5%
  • Customs fees0.47%

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Base Duty Rates for 2921.43.24.00

From the Harmonized Tariff Schedule

General Rate of Duty
Free
Special Rate of Duty
—
Column 2 (Non-NTR)
15.4¢/kg + 60%
Units of Quantity
kg
Total duty by countryAll 20 →
  • China37.5%
  • Mexico10%
  • Canada10%
  • Vietnam12.5%
  • Germany10%

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Tariffs by country · Oct 22, 2026

US Import Duty on HTS 2921.43.24.00 by Country of Origin

As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from China pay 37.5% in duties: a duty-free base rate plus Section 301 – China (25%) and Section 301 – Forced Labor (12.5%). Of the 20 largest sources of US imports, the lowest total is 10%, from Mexico, Canada and 11 more.

Total duty from China
37.5%
Base rate plus 2 additional tariffs
Lowest total duty
10%
From Mexico, Canada and 11 more
Countries with additional tariffs
20 of 20
Section 232, 301 and other Chapter 99 duties
Country of originBase rateAdditional tariffsTotal duty
ChinaFree
  • Section 301 – China25%9903.88.03
  • Section 301 – Forced Labor12.5%9903.05.31
37.5%
MexicoFree
  • Section 301 – Forced Labor10%9903.05.55
10%0% with USMCA
CanadaFree
  • Section 301 – Forced Labor10%9903.05.29
10%0% with USMCA
VietnamFree
  • Section 301 – Forced Labor12.5%9903.05.84
12.5%
GermanyFree
  • Section 301 – Forced Labor10%9903.05.39
10%
JapanFree
  • Section 301 – Forced Labor12.5%9903.05.49
12.5%
South KoreaFree
  • Section 301 – Forced Labor12.5%9903.05.71
12.5%
TaiwanFree
  • Section 301 – Forced Labor10%9903.05.76
10%
IndiaFree
  • Section 301 – Forced Labor10%9903.05.44
10%
IrelandFree
  • Section 301 – Forced Labor10%9903.05.39
10%
ItalyFree
  • Section 301 – Forced Labor10%9903.05.39
10%
SwitzerlandFree
  • Section 301 – Forced Labor12.5%9903.05.74
12.5%
ThailandFree
  • Section 301 – Forced Labor12.5%9903.05.77
12.5%
MalaysiaFree
  • Section 301 – Forced Labor10%9903.05.54
10%
United KingdomFree
  • Section 301 – Forced Labor10%9903.05.81
10%
FranceFree
  • Section 301 – Forced Labor10%9903.05.39
10%
IndonesiaFree
  • Section 301 – Forced Labor10%9903.05.45
10%
BrazilFree
  • Section 301 – Brazil25%9903.05.01
  • Section 301 – Forced Labor12.5%9903.05.27
37.5%
BangladeshFree
  • Section 301 – Forced Labor10%9903.05.26
10%
CambodiaFree
  • Section 301 – Forced Labor10%9903.05.28
10%
Duty from each country, in words
  • As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from China pay 37.5% in duties: a duty-free base rate plus Section 301 – China (25%) and Section 301 – Forced Labor (12.5%).
  • As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from Mexico pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%). With USMCA, qualifying goods pay 0%.
  • As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from Canada pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%). With USMCA, qualifying goods pay 0%.
  • As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from Vietnam pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).
  • As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from Germany pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
  • As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from Japan pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).
  • As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from South Korea pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).
  • As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from Taiwan pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
  • As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from India pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
  • As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from Ireland pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
  • As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from Italy pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
  • As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from Switzerland pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).
  • As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from Thailand pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).
  • As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from Malaysia pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
  • As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from United Kingdom pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
  • As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from France pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
  • As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from Indonesia pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
  • As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from Brazil pay 37.5% in duties: a duty-free base rate plus Section 301 – Brazil (25%) and Section 301 – Forced Labor (12.5%).
  • As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from Bangladesh pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
  • As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from Cambodia pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).

Duties on goods entered Oct 22, 2026 at the general rate (Column 2 where it applies), with tariff data verified through 2026 HTS Revision 20. Totals are before customs fees (MPF, HMF) and any antidumping or countervailing duties. Some tariffs and exemptions depend on details such as metal content or end use, which the calculator asks about. See US tariffs for every country.

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Example alert

New tariff action affects 1 of your imports

2921.43.24.00from China37.5% → 47.5%

Its rate today, if a new 10% tariff were added

Top origins · US imports 2025

Top Origins: Countries the US Imports HTS 2921.43.24.00 From

In 2025 the US imported $123K of 2-amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00), up 62% on 2024, mostly from South Korea (72%) and China (28%). Each country's total duty today is shown beside its imports.

Country of originUS imports, 2025Sharevs 2024Total duty today
South Korea$89K72%New12.5%
China$34K28%55%37.5%

Source: U.S. Census Bureau, general imports. Duty on a $10,000 ocean shipment entered today, before customs fees. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Legal notes

Relevant HTS Notes

Official USITC notes that may affect classification under HTS 2921.43.24.00.

CBP rulings

Related CROSS Rulings for HTS 2921.43.24.00

CBP classification rulings related to 2921.43.24.00. Open a ruling to read how Customs classified a similar product.

No rulings found

No CROSS classification rulings were found for HTS code "2921.43.24".

Questions

HTS 2921.43.24.00 FAQ

Something else? Ask us.

What does HTS code 2921.43.24.00 cover?

HTS code 2921.43.24.00 covers 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (2-Amino-5-chloro-4-ethyl benzenesulfonic acid; 2-Amino-5-chloro-p-toluenesulfonic acid;p-Nitro-o-toluidine; and 3-(Trifluoromethyl) aniline (m-Aminobenzotrifluoride)), classified under Chapter 29 (Organic chemicals) in the US Harmonized Tariff Schedule. The general duty rate is Free.

What is the duty rate for HTS 2921.43.24.00?

The general (Column 1) rate of duty for HTS 2921.43.24.00 is Free. The Column 2 rate, for countries without normal trade relations, is 15.4¢/kg + 60%. Additional Chapter 99 tariffs, such as Section 301 and Section 232, can apply on top depending on the country of origin.

What is the US tariff on 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from China?

As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from China pay 37.5% in duties: a duty-free base rate plus Section 301 – China (25%) and Section 301 – Forced Labor (12.5%).

What is the US tariff on 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from Vietnam?

As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from Vietnam pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).

What is the US tariff on 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from Mexico?

As of Oct 22, 2026, US imports of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… (HTS 2921.43.24.00) from Mexico pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%). Goods that qualify for USMCA pay 0%.

Where does the US import HTS 2921.43.24.00 from?

In 2025 the US imported $123K of 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;… under HTS 2921.43.24.00, mostly from South Korea (72%) and China (28%), according to U.S. Census Bureau import data.

Which country has the lowest US duty on HTS 2921.43.24.00?

Of the 20 largest sources of US imports, the lowest total duty on HTS 2921.43.24.00 is 10%, from Mexico, Canada and 11 more, as of the tariffs in effect on 2026-10-22.

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