# HS code 3202.90: Synthetic organic tanning substances; inorganic tanning substances; tanning preparations, whether or not containing natural tanning substances; enzymatic preparations for pre- tanning

> HS code 3202.90 covers synthetic organic tanning substances; inorganic tanning substances; tanning preparations, whether or not containing natural tanning substances; enzymatic preparations for pre- tanning, other than those classified in 3202.10. It sits in heading 32.02 (synthetic organic tanning substances; inorganic tanning substances; tanning preparations, whether or not containing natural tanning substances; enzymatic preparations for pre- tanning) in chapter 32 (tanning or dyeing extracts; tannins and their derivatives; dyes, pigments and other colouring matter; paints and varnishes; putty and other mastics; inks). Other goods of heading 32.02 are classified under 3202.10 (synthetic organic tanning substances). National tariff lines under 3202.90 are live on border.bot for the United States (2 lines, also used by 1 other country).

Source: https://border.bot/hs-codes/320290
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 32](https://border.bot/hs-codes/32) / [32.02](https://border.bot/hs-codes/3202) / [3202.90](https://border.bot/hs-codes/320290)

## Key facts

- HS code: 3202.90
- Covers: Synthetic organic tanning substances; inorganic tanning substances; tanning preparations, whether or not containing natural tanning substances; enzymatic preparations for pre- tanning
- Heading: [32.02: Synthetic organic tanning substances; inorganic tanning substances; tanning preparations, whether or not containing natural tanning substances; enzymatic preparations for pre- tanning](https://border.bot/hs-codes/3202)
- Chapter: [32: Tanning or dyeing extracts; tannins and their derivatives; dyes, pigments and other colouring matter; paints and varnishes; putty and other mastics; inks](https://border.bot/hs-codes/32)
- Edition: HS2022
- Duty in the United States: [See its 2 lines](https://border.bot/countries/united-states/hs-codes/320290)

## What this code covers

HS code 3202.90 covers synthetic organic tanning substances; inorganic tanning substances; tanning preparations, whether or not containing natural tanning substances; enzymatic preparations for pre- tanning, other than those classified in 3202.10.

The legal text of the subheading is “Other”, in HS2022.

## What it doesn’t cover

Other goods of heading 32.02 are classified under 3202.10 (synthetic organic tanning substances).

- [3202.10](https://border.bot/hs-codes/320210) Synthetic organic tanning substances

## How it is structured

3202.90 is a six-digit subheading. Its first two digits, 32, are the chapter; the first four, 3202, are heading 32.02; the last two, 90, identify the subheading within the heading.

Countries add their own digits after these six for their national tariff lines.

- Chapter 32: Tanning or dyeing extracts; tannins and their derivatives; dyes, pigments and other colouring matter; paints and varnishes; putty and other mastics; inks
- Heading 32.02: Synthetic organic tanning substances; inorganic tanning substances; tanning preparations, whether or not containing natural tanning substances; enzymatic preparations for pre- tanning
- Subheading 3202.90: Other

## In other countries

National tariff lines under 3202.90 are live on border.bot for the United States (2 lines, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/320290): 2 lines, used by 1 other country

- Previous subheading: [3202.10](https://border.bot/hs-codes/320210) Synthetic organic tanning substances
- Next subheading: [3203.00](https://border.bot/hs-codes/320300) Colouring 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 colouring matter of vegetable or animal origin

## Frequently asked questions

### What does HS code 3202.90 cover?

HS code 3202.90 covers synthetic organic tanning substances; inorganic tanning substances; tanning preparations, whether or not containing natural tanning substances; enzymatic preparations for pre- tanning, other than those classified in 3202.10.

### Which heading and chapter is HS code 3202.90 in?

HS code 3202.90 is in heading 32.02 (synthetic organic tanning substances; inorganic tanning substances; tanning preparations, whether or not containing natural tanning substances; enzymatic preparations for pre- tanning) in chapter 32 (tanning or dyeing extracts; tannins and their derivatives; dyes, pigments and other colouring matter; paints and varnishes; putty and other mastics; inks).

### Where are goods of heading 32.02 classified when 3202.90 doesn’t fit?

Other goods of heading 32.02 are classified under 3202.10 (synthetic organic tanning substances).

### Which countries’ tariffs list national lines under HS code 3202.90?

National tariff lines under 3202.90 are live on border.bot for the United States (2 lines, also used by 1 other country).

## Sources and updates

The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.

This page was last updated on 11 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.

Machine-readable: https://border.bot/hs-codes/320290.json