Base
HTS 2917Chapter 29

HTS 2917Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: Duty Rate & Import Guide

Organic Chemicals · $63.2M monthly imports · 100% from 1 countries · Updated daily from USITC

Duty Rates

General

Free

Special

Free

Column 2

Free

Trade Agreement Eligibility

CUSMAKORUS

Trade Intelligence

Monthly Imports

$63.2M

2026-01

Trade Concentration

100%

from top 3 of 1 origins

Regulatory Pressure

LOW

1 rulings — · 0 reg · 0 cases

Global Rates

🇺🇸 Free

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

Compare All →

Data compiled from USITC HTS, US Census Bureau, CBP CROSS Rulings · 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.

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 (44)

CodeDescriptionRate
2917.11.00.00Oxalic acid, its salts and esters3.1%
2917.12Adipic acid, its salts and esters:
2917.12.10.00Adipic acid6.5%
2917.12.20.00Plasticizers6.5%
2917.12.50.00Other6.5%
2917.13.00Azelaic acid, sebacic acid, their salts and esters4.8%
2917.13.00.30Sebacic acid
2917.13.00.90Other
2917.14Maleic anhydride:
2917.14.10.00Derived in whole or in part from benzene or other aromatic hydrocarbons6.5%
2917.14.50.00Other4.2%
2917.19Other:
2917.19.10.00Ferrous fumarate6.5%
2917.19.15.00Derived in whole or in part from aromatic hydrocarbons6.5%
2917.19.17.00Other4.2%
2917.19.20.00Products described in additional U.S. note 3 to section VI6.5%
2917.19.23.00Maleic acid6.5%
2917.19.27.00Other6.5%
2917.19.30.00Ethylene brassylate4.8%
2917.19.35.00Malonic acidFree
2917.19.40.00Derived in whole or in part from aromatic hydrocarbons6.5%
2917.19.70Other4%
2917.19.70.20Plasticizers
2917.19.70.50Other
2917.20.00.00Cyclanic, cyclenic or cycloterpenic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives4.2%
2917.32.00.00Dioctyl orthophthalates6.5%
2917.33.00Dinonyl or didecyl orthophthalates6.5%
2917.33.00.10Diisodecyl orthophthalate
2917.33.00.50Other
2917.34.01Other esters of orthophthalic acid6.5%
2917.34.01.10Dibutyl orthophthalate
2917.34.01.50Other
2917.35.00.00Phthalic anhydride6.5%
2917.36.00.00Terephthalic acid and its salts6.5%
2917.37.00.00Dimethyl terephthalate6.5%
2917.39Other:
2917.39.04.001,2,4-Benzenetricarboxylic acid, 1,2-dianhydride (Trimellitic anhydride); Phthalic acid; and 4-Sulfo-1,8-naphthalic anhydride6.5%
2917.39.08.00Naphthalic anhydrideFree
2917.39.12.004,4'-(Hexafluoroisopropylidene)bis(phthalic anhydride)Free
2917.39.15.00Isophthalic acid6.5%
2917.39.17.00Tetrabromophthalic anhydride6.5%
2917.39.20.00Plasticizers6.5%
2917.39.30.00Products described in additional U.S. note 3 to section VI6.5%
2917.39.70.00Other6.5%

CBP Rulings (1)

855810Classification

The tariff classification of diethyl maleate from WestGermany, France or Japan.

Matching Export Code (Schedule B)

2917110000Schedule B

OXALIC ACID, ITS SALTS AND ESTERS

Census Bureau export classification matching this HTS import code.

2915.90.50.502917.11.00.00