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HTS 3824.99Chapter 38

HTS 3824.99Other: Duty Rate & Import Guide

Miscellaneous Chemical Products · 1 court case · $378.7M 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

$378.7M

2026-01

Trade Concentration

100%

from top 3 of 1 origins

Regulatory Pressure

LOW

8 rulings — · 0 reg · 1 CIT, 0 CAFC (1 recent)

Global Rates

🇺🇸 Free

🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: Free · 🇧🇷 Brazil: 49 NCM codes

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

Active DisputesRecent court cases or pending regulations affect this code
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 — $379M in monthly US imports. Duty rate changes or trade remedy actions on this code have significant economic impact.

Subheadings (33)

CodeDescriptionRate
3824.99Other:
3824.99.11.00In the form of ingotsFree
3824.99.19.00Other6.5%
3824.99.21.00Consisting wholly of substances found naturally in coal tar, whether obtained from coal tar or other sourceFree
3824.99.25.00Aqueous mixtures of triphenyl sulfonium chloride, diphenyl (4-phenylthio)phenyl sulfonium chloride and (thiodi-4,1- phenylene)bis(diphenyl sulfonium) dichloride6.5%
3824.99.26.00Benzene, 2,4-diisocyanate-1,3,5-tris(1- methylethyl) homopolymer; 5-Fluoro-2-methyl-1-[[4-(methylsulfinyl)- phenyl]methylene]-1H-indene;Mixtures of dimethyl phthalate, t-butanol, hydrogen peroxide, and sodium salicylate; andMixtures containing derivatives of N-[4-(2- hydroxy-3-phenoxypropoxy)phenyl]- acetamideFree
3824.99.29.00Other6.5%
3824.99.31.00Of bismuth6.5%
3824.99.32.00Of hydrosulfite compounds, of sulfoxylate compounds, or of both6.5%
3824.99.33.00Of mercury4.2%
3824.99.34.00Of molybdenum2.8%
3824.99.35.00Of tungsten6.5%
3824.99.36.00Of vanadium6.5%
3824.99.39OtherFree
3824.99.39.10Of lithium nickel cobalt manganese oxides
3824.99.39.90Other
3824.99.41Fatty substances of animal or vegetable origin and mixtures thereof4.6%
3824.99.41.40Mixtures of fatty acid esters
3824.99.41.90Other
3824.99.49.00Mixtures that are in whole or in part of hydrocarbons derived in whole or in part from petroleum, shale oil or natural gas6.5%
3824.99.50.00Chlorinated but not otherwise halogenated6.5%
3824.99.55.00Other3.7%
3824.99.70.00Mixtures of dibromo neopentyl glycol; Polydibromophenylene oxide; Tetrabromobisphenol-A-carbonate oligomers; and Electroplating chemical and electroless plating solutions and other materials for printed circuit boards, plastics and metal finishingsFree
3824.99.75Naphthenic acids, their water-insoluble salts and their esters3.7%
3824.99.75.10Naphthenic acids
3824.99.75.50Other
3824.99.93Other5%
3824.99.93.10Containing C<sub>11</sub> or lower alcohols only
3824.99.93.20Containing C<sub>12</sub> or higher alcohols only
3824.99.93.30Other
3824.99.93.61Mixtures consisting mainly of chemicals containing a phosphorus atom to which is bonded one methyl, ethyl, <i>n</i>-propyl or isopropyl group, but no other carbon atoms
3824.99.93.86Mixtures of a kind containing magnesium used as a desulfurization reagent
3824.99.93.97Other

CBP Rulings (8)

H325402Classification

Affirmation of NY N325292; Classification of MF-59 vaccine adjuvant

H292437Classification, OriginNAFTA

Request for Internal Advice; Classification and NAFTA eligibility of correction tape

N332674Classification

The tariff classification of Enerzan L from Canada.

N350625Classification

The tariff classification of a produce freshness retainer from Poland

H282216Classification

Revocation of NY N251680; Tariff classification of Yttria Stabilized Zirconium Oxide Powder

N306130Classification/NAFTA/Country-of-OriginNAFTA

The Tariff Classification, Status under the North American Free Trade Agreement (NAFTA), and Country-of-Origin of 35% Solution of Sodium Citrate

H324168Classification

Internal Advice; Tariff Classification of CA2786 Spirulina Blue Colour

N359569Classification, TradeUSMCA

The tariff classification, country of origin, and eligibility of the United States-Mexico-Canada Agreement (USMCA) of various waxes used in the playing of ice hockey, from Canada

Court of International Trade & Federal Circuit (1)

Matching Export Code (Schedule B)

3824991100Schedule B

CULTURED CRYSTALS, WEIGHING NOT LESS THAN 2.5 G EACH, IN THE FORM OF INGOTS

Census Bureau export classification matching this HTS import code.

3824.92.00.003824.99.11.00