# United States tariff line 2924.21.08.00: 1,1-Dimethyl-3-(α,α,α-trifluoro-m- tolyl)urea (Fluometuron)

> In the United States tariff, line 2924.21.08.00 covers cyclic amides (including cyclic carbamates) and their derivatives; salts thereof, ureines and their derivatives; salts thereof, aromatic, pesticides, 1,1-Dimethyl-3-(α,α,α-trifluoro-m- tolyl)urea (Fluometuron). Goods under this line enter free of general (MFN) duty. It falls under HS subheading 2924.21 in heading 29.24 (chapter 29).

Source: https://border.bot/countries/united-states/hs-codes/2924210800
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 29](https://border.bot/countries/united-states/hs-codes/29) / [2924.21](https://border.bot/countries/united-states/hs-codes/292421) / [2924.21.08.00](https://border.bot/countries/united-states/hs-codes/2924210800)

## Key facts

- Tariff line: 2924.21.08.00
- Covers: Cyclic amides (including cyclic carbamates) and their derivatives; salts thereof, ureines and their derivatives; salts thereof, aromatic, pesticides, 1,1-Dimethyl-3-(α,α,α-trifluoro-m- tolyl)urea (Fluometuron)
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [2924.21](https://border.bot/hs-codes/292421)

## What this line covers

In the United States tariff, line 2924.21.08.00 covers cyclic amides (including cyclic carbamates) and their derivatives; salts thereof, ureines and their derivatives; salts thereof, aromatic, pesticides, 1,1-Dimethyl-3-(α,α,α-trifluoro-m- tolyl)urea (Fluometuron).

Its legal text is “1,1-Dimethyl-3-(α,α,α-trifluoro-m- tolyl)urea (Fluometuron)”, read under “Cyclic amides (including cyclic carbamates) and their derivatives; salts thereof”, “Ureines and their derivatives; salts thereof”, “Aromatic” and “Pesticides”.

## How it is structured

It falls under HS subheading 2924.21 in heading 29.24 (chapter 29). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 29: Organic chemicals
- Heading 29.24: Carboxyamide-function compounds; amide-function compounds of carbonic acid
- Subheading 2924.21: Cyclic amides (including cyclic carbamates) and their derivatives; salts thereof
- Within the subheading: Ureines and their derivatives; salts thereof
- Within the subheading: Aromatic
- Within the subheading: Pesticides
- Line 2924.21.08.00: 1,1-Dimethyl-3-(α,α,α-trifluoro-m- tolyl)urea (Fluometuron)

## 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 2924.21 yet.

- [The Harmonized System text for 2924.21](https://border.bot/hs-codes/292421)

## Other lines under 2924.21

- [2924.21.04.00](https://border.bot/countries/united-states/hs-codes/2924210400) 3-(p-Chlorophenyl)-1,1-dimethylurea (Monuron)
- [2924.21.12.00](https://border.bot/countries/united-states/hs-codes/2924211200) 1-(2-Methylcyclohexyl)-3-phenylurea
- [2924.21.16.00](https://border.bot/countries/united-states/hs-codes/2924211600) Other
- [2924.21.18.00](https://border.bot/countries/united-states/hs-codes/2924211800) sym-Diethyldiphenylurea
- [2924.21.20.00](https://border.bot/countries/united-states/hs-codes/2924212000) Products described in additional U.S. note 3 to section VI
- [2924.21.45.00](https://border.bot/countries/united-states/hs-codes/2924214500) Other
- [2924.21.50.00](https://border.bot/countries/united-states/hs-codes/2924215000) Other

- Previous line: [2924.21.04.00](https://border.bot/countries/united-states/hs-codes/2924210400) 3-(p-Chlorophenyl)-1,1-dimethylurea (Monuron)
- Next line: [2924.21.12.00](https://border.bot/countries/united-states/hs-codes/2924211200) 1-(2-Methylcyclohexyl)-3-phenylurea

## Frequently asked questions

### What does tariff line 2924.21.08.00 cover in the United States tariff?

In the United States tariff, line 2924.21.08.00 covers cyclic amides (including cyclic carbamates) and their derivatives; salts thereof, ureines and their derivatives; salts thereof, aromatic, pesticides, 1,1-Dimethyl-3-(α,α,α-trifluoro-m- tolyl)urea (Fluometuron).

### What is the general (MFN) duty on 2924.21.08.00 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/2924210800.json