# United States tariff line 3824.99.26.00: Benzene, 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]- acetamide

> In the United States tariff, line 3824.99.26.00 covers mixtures containing 5 percent or more by weight of one or more aromatic or modified aromatic substances, benzene, 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]- acetamide. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 3824.99 in heading 38.24 (chapter 38).

Source: https://border.bot/countries/united-states/hs-codes/3824992600
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 38](https://border.bot/countries/united-states/hs-codes/38) / [3824.99](https://border.bot/countries/united-states/hs-codes/382499) / [3824.99.26.00](https://border.bot/countries/united-states/hs-codes/3824992600)

## Key facts

- Tariff line: 3824.99.26.00
- Covers: Mixtures containing 5 percent or more by weight of one or more aromatic or modified aromatic substances, benzene, 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]- acetamide
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [3824.99](https://border.bot/hs-codes/382499)

## What this line covers

In the United States tariff, line 3824.99.26.00 covers mixtures containing 5 percent or more by weight of one or more aromatic or modified aromatic substances, benzene, 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]- acetamide.

Its legal text is “Benzene, 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]- acetamide”, read under “Other”, “Other”, “Other” and “Mixtures containing 5 percent or more by weight of one or more aromatic or modified aromatic substances”.

## How it is structured

It falls under HS subheading 3824.99 in heading 38.24 (chapter 38). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 38: Miscellaneous chemical products
- Heading 38.24: Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included
- Subheading 3824.99: Other
- Within the subheading: Other
- Within the subheading: Other
- Within the subheading: Mixtures containing 5 percent or more by weight of one or more aromatic or modified aromatic substances
- Line 3824.99.26.00: Benzene, 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]- acetamide

## Duty

Goods under this line enter free of general (MFN) duty.

## In other countries

No other national tariff on border.bot has live lines under 3824.99 yet.

- [The Harmonized System text for 3824.99](https://border.bot/hs-codes/382499)

## Other lines under 3824.99

- [3824.99.11.00](https://border.bot/countries/united-states/hs-codes/3824991100) In the form of ingots
- [3824.99.19.00](https://border.bot/countries/united-states/hs-codes/3824991900) Other
- [3824.99.21.00](https://border.bot/countries/united-states/hs-codes/3824992100) Consisting wholly of substances found naturally in coal tar, whether obtained from coal tar or other source
- [3824.99.25.00](https://border.bot/countries/united-states/hs-codes/3824992500) Aqueous mixtures of triphenyl sulfonium chloride, diphenyl (4-phenylthio)phenyl sulfonium chloride and (thiodi-4,1- phenylene)bis(diphenyl sulfonium) dichloride
- [3824.99.29.00](https://border.bot/countries/united-states/hs-codes/3824992900) Other
- [3824.99.31.00](https://border.bot/countries/united-states/hs-codes/3824993100) Of bismuth
- [3824.99.32.00](https://border.bot/countries/united-states/hs-codes/3824993200) Of hydrosulfite compounds, of sulfoxylate compounds, or of both
- [3824.99.33.00](https://border.bot/countries/united-states/hs-codes/3824993300) Of mercury
- [3824.99.34.00](https://border.bot/countries/united-states/hs-codes/3824993400) Of molybdenum
- [3824.99.35.00](https://border.bot/countries/united-states/hs-codes/3824993500) Of tungsten
- [3824.99.36.00](https://border.bot/countries/united-states/hs-codes/3824993600) Of vanadium
- [3824.99.39.10](https://border.bot/countries/united-states/hs-codes/3824993910) Of lithium nickel cobalt manganese oxides
- [3824.99.39.90](https://border.bot/countries/united-states/hs-codes/3824993990) Other
- [3824.99.41.40](https://border.bot/countries/united-states/hs-codes/3824994140) Mixtures of fatty acid esters
- [3824.99.41.90](https://border.bot/countries/united-states/hs-codes/3824994190) Other
- [3824.99.49.00](https://border.bot/countries/united-states/hs-codes/3824994900) Mixtures that are in whole or in part of hydrocarbons derived in whole or in part from petroleum, shale oil or natural gas
- [3824.99.50.00](https://border.bot/countries/united-states/hs-codes/3824995000) Chlorinated but not otherwise halogenated
- [3824.99.55.00](https://border.bot/countries/united-states/hs-codes/3824995500) Other
- [3824.99.70.00](https://border.bot/countries/united-states/hs-codes/3824997000) Mixtures 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 finishings
- [3824.99.75.10](https://border.bot/countries/united-states/hs-codes/3824997510) Naphthenic acids
- [3824.99.75.50](https://border.bot/countries/united-states/hs-codes/3824997550) Other
- [3824.99.93.10](https://border.bot/countries/united-states/hs-codes/3824999310) Containing C11 or lower alcohols only
- [3824.99.93.20](https://border.bot/countries/united-states/hs-codes/3824999320) Containing C12 or higher alcohols only
- [3824.99.93.30](https://border.bot/countries/united-states/hs-codes/3824999330) Other
- [3824.99.93.61](https://border.bot/countries/united-states/hs-codes/3824999361) Mixtures consisting mainly of chemicals containing a phosphorus atom to which is bonded one methyl, ethyl, n-propyl or isopropyl group, but no other carbon atoms
- [3824.99.93.86](https://border.bot/countries/united-states/hs-codes/3824999386) Mixtures of a kind containing magnesium used as a desulfurization reagent
- [3824.99.93.97](https://border.bot/countries/united-states/hs-codes/3824999397) Other

- Previous line: [3824.99.25.00](https://border.bot/countries/united-states/hs-codes/3824992500) Aqueous mixtures of triphenyl sulfonium chloride, diphenyl (4-phenylthio)phenyl sulfonium chloride and (thiodi-4,1- phenylene)bis(diphenyl sulfonium) dichloride
- Next line: [3824.99.29.00](https://border.bot/countries/united-states/hs-codes/3824992900) Other

## Frequently asked questions

### What does tariff line 3824.99.26.00 cover in the United States tariff?

In the United States tariff, line 3824.99.26.00 covers mixtures containing 5 percent or more by weight of one or more aromatic or modified aromatic substances, benzene, 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]- acetamide.

### What is the general (MFN) duty on 3824.99.26.00 in the United States?

Goods under this line enter free of general (MFN) duty.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/3824992600.json
