# United States tariff lines under HS 3204.20

> The United States tariff splits HS 3204.20 (synthetic organic products of a kind used as fluorescent brightening agents) into 3 national lines: 3204.20.10.00 (fluorescent brightening agent 32), 3204.20.40.00 (benzoxazol) and 3204.20.80.00 (other). The general (MFN) duty differs by line: 6.5% on 3204.20.10.00, free on 3204.20.40.00 and 6.5% on 3204.20.80.00.

Source: https://border.bot/countries/united-states/hs-codes/320420
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 32](https://border.bot/countries/united-states/hs-codes/32) / [3204.20](https://border.bot/countries/united-states/hs-codes/320420)

## Key facts

- HS subheading: [3204.20](https://border.bot/hs-codes/320420)
- National lines: 3
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 32: Tanning or dyeing extracts; tannins and their derivatives; dyes, pigments and other colouring matter; paints and varnishes; putty and other mastics; inks

## United States lines under 3204.20

The United States tariff splits HS 3204.20 (synthetic organic products of a kind used as fluorescent brightening agents) into 3 national lines: 3204.20.10.00 (fluorescent brightening agent 32), 3204.20.40.00 (benzoxazol) and 3204.20.80.00 (other).

The general (MFN) duty differs by line: 6.5% on 3204.20.10.00, free on 3204.20.40.00 and 6.5% on 3204.20.80.00.

- [3204.20.10.00](https://border.bot/countries/united-states/hs-codes/3204201000) Synthetic organic products of a kind used as fluorescent brightening agents, Fluorescent brightening agent 32. Duty (MFN): 6.5%
- [3204.20.40.00](https://border.bot/countries/united-states/hs-codes/3204204000) Synthetic organic products of a kind used as fluorescent brightening agents, Benzoxazol. Duty (MFN): free
- [3204.20.80.00](https://border.bot/countries/united-states/hs-codes/3204208000) Synthetic organic products of a kind used as fluorescent brightening agents, Other. Duty (MFN): 6.5%

## In other countries

No other national tariff on border.bot has live lines under 3204.20 yet.

- [The Harmonized System text for 3204.20](https://border.bot/hs-codes/320420)

- Previous subheading: [3204.19](https://border.bot/countries/united-states/hs-codes/320419) Other, including mixtures of coloring matter of two or more of the subheadings 3204.11 to 3204.19
- Next subheading: [3204.90](https://border.bot/countries/united-states/hs-codes/320490) Synthetic organic coloring matter, whether or not chemically defined; preparations as specified in note 3 to this chapter based on synthetic organic coloring matter; synthetic organic products of a kind used as fluorescent brightening agents or as luminophores, whether or not chemically defined

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 3204.20?

The United States tariff splits HS 3204.20 (synthetic organic products of a kind used as fluorescent brightening agents) into 3 national lines: 3204.20.10.00 (fluorescent brightening agent 32), 3204.20.40.00 (benzoxazol) and 3204.20.80.00 (other).

### What is the duty on HS 3204.20 in the United States?

The general (MFN) duty differs by line: 6.5% on 3204.20.10.00, free on 3204.20.40.00 and 6.5% on 3204.20.80.00.

## 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/320420.json