Base
HTS 2918Chapter 29

HTS 2918Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: Duty Rate & Import Guide

Organic Chemicals · 1 pending regulation · 15 court cases · $107.5M 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

$107.5M

2026-01

Trade Concentration

100%

from top 3 of 1 origins

Regulatory Pressure

HIGH

0 rulings — · 1 reg · 9 CIT, 6 CAFC

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, Federal Register, CourtListener · As of 2026-04-28 · Updates monthly

Active DisputesRecent court cases or pending regulations affect this code
Regulatory Pressure

This code has elevated regulatory activity — 0 CBP rulings (0 in last 2 years, trend: stable), 1 pending Federal Register actions, and 15 CIT/CAFC cases.

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 — $108M 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 (73)

CodeDescriptionRate
2918.11Lactic acid, its salts and esters:
2918.11.10.00Lactic acid5.1%
2918.11.51.00Other3.4%
2918.12.00.00Tartaric acidFree
2918.13Salts and esters of tartaric acid:
2918.13.10.00Potassium antimony tartrate (Tartar emetic)Free
2918.13.20.00Potassium bitartrate (Cream of tartar)Free
2918.13.30.00Potassium sodium tartrate (Rochelle salts)Free
2918.13.50.00Other4.4%
2918.14.00.00Citric acid6%
2918.15Salts and esters of citric acid:
2918.15.10.00Sodium citrate6.5%
2918.15.50.00Other3.7%
2918.16Gluconic acid, its salts and esters:
2918.16.10.00Gluconic acid6%
2918.16.50Other3.7%
2918.16.50.10Sodium gluconate
2918.16.50.20Calcium gluconate
2918.16.50.90Other
2918.17.00.012,2-Diphenyl-2-hydroxyacetic acid (benzilic acid)5.8%
2918.18.00.00Chlorobenzilate (ISO)6.5%
2918.19Other:
2918.19.11.00Benzilic acid, methyl ester5.8%
2918.19.12.00Mandelic acidFree
2918.19.15.00Other6.5%
2918.19.20.00Products described in additional U.S. note 3 to section VI6.5%
2918.19.31.00Other6.5%
2918.19.60.00Malic acid4%
2918.19.90.00Other4%
2918.21Salicylic acid and its salts:
2918.21.10.00Suitable for medicinal use6.5%
2918.21.50.00Other6.5%
2918.22<i>O</i>-Acetylsalicylic acid, its salts and esters:
2918.22.10.00<i>O</i>-Acetylsalicylic acid (Aspirin)6.5%
2918.22.50.00Salts and esters of <i>O</i>-acetylsalicylic acid6.5%
2918.23Other esters of salicylic acid and their salts:
2918.23.10.00Salol (Phenyl salicylate) suitable for medicinal use6.5%
2918.23.20.00Odoriferous or flavoring compounds6.5%
2918.23.30.00Products described in additional U.S. note 3 to section VI6.5%
2918.23.50.00Other6.5%
2918.29Other:
2918.29.04.002,3-Cresotic acid; 2-Hydroxybenzoic acid, calcium salt; 1-Hydroxy-2-naphthoic acid; 2-Hydroxy-1-naphthoic acid; 1-Hydroxy-2-naphthoic acid, phenyl ester;<i>α</i>-Resorcylic acid;<i>γ</i>-Resorcylic acid; and 5-Sulfosalicylic acid5.8%
2918.29.06.001,6-Hexanediol bis(3,5-dibutyl-4-hydroxyphenyl)propionate)5.8%
2918.29.08.00m-Hydroxybenzoic acidFree
2918.29.20.00Gentisic acid; and Hydroxycinnamic acid and its salts6.5%
2918.29.22.00<i>p</i>-Hydroxybenzoic acid6.5%
2918.29.25.003-Hydroxy-2-naphthoic acid6.5%
2918.29.30.00Gallic acid1%
2918.29.39.004,4-Bis(4-hydroxyphenyl) pentanoic acid; and 3,5,6-Trichlorosalicylic acidFree
2918.29.65.00Products described in additional U.S. note 3 to section VI6.5%
2918.29.75.00Other6.5%
2918.30Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives:
2918.30.10.001-Formylphenylacetic acid, methyl ester5.8%
2918.30.15.002-Chloro-4,5-difluoro-<i>ß</i>-oxobenzenepropanoic acid, ethyl ester; and Ethyl 2-keto-4-phenylbutanoateFree
2918.30.25.00Products described in additional U.S. note 3 to section VI6.5%
2918.30.30.00Other6.5%
2918.30.70.00Dimethyl acetyl succinate; Oxalacetic acid diethyl ester, sodium salt; 4,4,4-Trifluoro-3-oxobutanoic acid, ethyl ester; and 4,4,4-Trifluoro-3-oxobutanoic acid, methyl esterFree
2918.30.90.00Other3.7%
2918.91.00.002,4,5-T (ISO) (2,4,5-trichlorophenoxyacetic acid), its salts and esters6.5%
2918.99Other:
2918.99.05.00<i>p</i>-Anisic acid; Clofibrate; and 3-Phenoxybenzoic acid5.8%
2918.99.06.001-Hydroxy-6-octadecyloxy-2-naphthalene- carboxylic acid; and 1-Hydroxy-6-docosyloxy-2-naphthalene- carboxylic acidFree
2918.99.14.002-(4-Chloro-2-methylphenoxy)propionic acid and its saltsFree
2918.99.18.004-(4-Chloro-2-methylphenoxy) butyric acid;<i>p</i>-Chlorophenoxyacetic acid; and 2-(2,4-Dichlorophenoxy) propionic acid6.5%
2918.99.20Other6.5%
2918.99.20.102,4-Dichlorophenoxyacetic acid, its salts and esters
2918.99.20.152-Methyl-4-chlorophenoxyacetic acid
2918.99.20.50Other
2918.99.30.00Drugs6.5%
2918.99.35.00Odoriferous or flavoring compounds6.5%
2918.99.43.00Products described in additional U.S. note 3 to section VI6.5%
2918.99.47.00Other6.5%
2918.99.50.00Other4%

Federal Register (1)

Court of International Trade & Federal Circuit (15)

View all 15+ cases on PACER →

Matching Export Code (Schedule B)

2918110002Schedule B

LACTIC ACID, ITS SALTS AND ESTERS

Census Bureau export classification matching this HTS import code.

2915.90.50.502918.11