# 291423 — Ketones and quinones, whether or not with other oxygen function, and their…: Ionones and methylionones

HS code 291423 classifies Ketones and quinones, whether or not with other oxygen function, and their…: Ionones and methylionones. It belongs to Chapter 29 (Organic chemicals) of Section VI (Products of the chemical or allied industries) of the Harmonized System. Duty rates are recorded for 1 country.

> Section VI · Products of the chemical or allied industries
> Chapter 29 · Organic chemicals

**HS code:** `291423`

## Description

Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives : Cyclanic, cyclenic or cycloterpenic ketones without other oxygen function : Ionones and methylionones

## Duty rates

| Country | Rate | Programme |
| --- | --- | --- |
| US United States | 5.5% | MFN |

Rates effective as of 2026-01-01.

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Source: https://hscode.eximagent.ai/29/291423
Last updated: 2026-06-03
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