290123 — Acyclic hydrocarbons: Butene (butylene) and isomers thereof
HS code 290123 classifies Acyclic hydrocarbons: Butene (butylene) and isomers thereof. 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.
Description
Acyclic hydrocarbons : Unsaturated : Butene (butylene) and isomers thereof
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 States0%MFNas of Jan 1, 2026
Common questions
- What is HS code 290123?
- Acyclic hydrocarbons : Unsaturated : Butene (butylene) and isomers thereof
- What duty rates apply to 290123?
- Listed duty rates range from 0% across 1 country rate.
Browse all of Chapter 29: Organic chemicals →
Go beyond the code
Find verified importers of 290123 — Acyclic hydrocarbons: Butene (butylene) and isomers thereof by country, with live tariff context, OFAC sanctions screening, and ready-to-send outreach — each result confidence-tagged.