# United States tariff lines under HS 3202.90

> The United States tariff splits HS 3202.90 (synthetic organic tanning substances; inorganic tanning substances; tanning preparations, whether or not containing natural tanning substances; enzymatic preparations for pre-tanning) into 2 national lines: 3202.90.10.00 (consisting wholly of inorganic subtances) and 3202.90.50.00 (other). The general (MFN) duty differs by line: free on 3202.90.10.00 and 5% on 3202.90.50.00.

Source: https://border.bot/countries/united-states/hs-codes/320290
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) / [3202.90](https://border.bot/countries/united-states/hs-codes/320290)

## Key facts

- HS subheading: [3202.90](https://border.bot/hs-codes/320290)
- National lines: 2
- 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 3202.90

The United States tariff splits HS 3202.90 (synthetic organic tanning substances; inorganic tanning substances; tanning preparations, whether or not containing natural tanning substances; enzymatic preparations for pre-tanning) into 2 national lines: 3202.90.10.00 (consisting wholly of inorganic subtances) and 3202.90.50.00 (other).

The general (MFN) duty differs by line: free on 3202.90.10.00 and 5% on 3202.90.50.00.

- [3202.90.10.00](https://border.bot/countries/united-states/hs-codes/3202901000) Other, Consisting wholly of inorganic subtances. Duty (MFN): free
- [3202.90.50.00](https://border.bot/countries/united-states/hs-codes/3202905000) Other, Other. Duty (MFN): 5%

## In other countries

No other national tariff on border.bot has live lines under 3202.90 yet.

- [The Harmonized System text for 3202.90](https://border.bot/hs-codes/320290)

- Previous subheading: [3202.10](https://border.bot/countries/united-states/hs-codes/320210) Synthetic organic tanning substances
- Next subheading: [3203.00](https://border.bot/countries/united-states/hs-codes/320300) Coloring matter of vegetable or animal origin (including dyeing extracts but excluding animal black), whether or not chemically defined; preparations as specified in note 3 to this chapter based on coloring matter of vegetable or animal origin

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 3202.90?

The United States tariff splits HS 3202.90 (synthetic organic tanning substances; inorganic tanning substances; tanning preparations, whether or not containing natural tanning substances; enzymatic preparations for pre-tanning) into 2 national lines: 3202.90.10.00 (consisting wholly of inorganic subtances) and 3202.90.50.00 (other).

### What is the duty on HS 3202.90 in the United States?

The general (MFN) duty differs by line: free on 3202.90.10.00 and 5% on 3202.90.50.00.

## 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/320290.json