HTS 2921.45.10 duty rate

7-Amino-1,3-naphthalenedisulfonic acid and its salts; 5-Amino-2-naphthalenesulfonic acid and i…. General duty 6.5%; for goods of Chinese origin, general + Section 301 (+25%) comes to 31.5% before any other duties.

6.5%General (MFN) duty rate

List 3 +25%Section 301, products of China

31.5%General + Section 301 for China, ad valorem

15.4¢/kg + 48.5%Column 2 (Cuba, North Korea, Russia, Belarus)

Official USITC Harmonized Tariff Schedule, 2026HTSRev20 · data built 2026-10-02 · check on hts.usitc.gov

Tariff line	2921.45.10
Description	Amine-function compounds › Aromatic monoamines and their derivatives; salts thereof: › 1-Naphthylamine (α-Naphthylamine), 2-Naphthylamine (β-Naphthylamine), and their derivatives; salts thereof: › 7-Amino-1,3-naphthalenedisulfonic acid and its salts; 5-Amino-2-naphthalenesulfonic acid and its salts; 8-Amino-1-naphthalenesulfonic acid and its salts; andN-Phenyl-2-naphthylamine
General rate	6.5%
Special rate (trade programs)	Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG)
Column 2 rate	15.4¢/kg + 48.5%
Units of quantity	kg
Section 301 (China)	List 3 +25%

Section 301 China tariffs on this line

Chapter 99 heading	List	Extra duty	Status
9903.88.03	List 3	+25%	in effect

2026 US–China tariff reduction lists: The US–China reduction lists are not published yet. Dutyfinch checks the Federal Register every day and flags each code as soon as the list appears.

Get this line by API or MCP

curl https://dutyfinch.cybermax-tools.workers.dev/hts/2921.45.10

Free: 50 lookups a day, no key. The same JSON powers this page. AI agents can call it as an MCP tool at https://dutyfinch.cybermax-tools.workers.dev/mcp.

Nearby tariff lines

2921.11.00 · 2921.12.01 · 2921.13.00 · 2921.14.00 · 2921.19.11 · 2921.19.31 · 2921.19.61 · 2921.21.00 · 2921.22.05 · 2921.22.10 · 2921.22.50 · 2921.29.00 · 2921.30.05 · 2921.30.10 · 2921.30.30 · 2921.30.50 · 2921.41.10 · 2921.41.20 · 2921.42.10 · 2921.42.15 · 2921.42.16 · 2921.42.18 · 2921.42.21 · 2921.42.22 · 2921.42.23 · 2921.42.36 · 2921.42.55 · 2921.42.65 · 2921.42.90 · 2921.43.04

← 2921.44.70 · 2921.45.20 → · Heading 2921 · Chapter 29 · Chapter 29 rate summary

General information from the official US Harmonized Tariff Schedule (USITC) and Federal Register; not legal or customs advice. Section 232, IEEPA, antidumping/countervailing and other duties can also apply. Confirm classification and rates with CBP or a licensed customs broker before you file.