291829 — Carboxylic acids with additional oxygen function and their anhydrides, halides,…: Other
HS code 291829 classifies Carboxylic acids with additional oxygen function and their anhydrides, halides,…: Other. 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.
Find or check your HS code
Suggestions from the HS index, not a customs ruling
Describe what you ship: what it is, what it is made of, how it is processed and what it is used for. I narrow it down against the real HS hierarchy, or check a code you were given.
Description
Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives : Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Other
Duty rates
US MFN base rate (HTS 2026, Column-1 General) — excludes Section 301 / IEEPA add-ons; not legal advice. Other countries’ rates and live duties via the EximAgent CLI.
- USUnited StatesFree–6.5%MFNas of Jan 1, 2026
Common questions
- What is HS code 291829?
- Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives : Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids…
- What duty rates apply to 291829?
- Listed US duty: Free–6.5% — see the duty-rates table for the full breakdown.
Browse all of Chapter 29: Organic chemicals →
Go beyond the code
Find the companies shipping under 291829 — ranked by shipments recorded in US customs filings over the last 12 months.