---
title: "2901.23 – Butene (butylene) and isomers thereof: Canada tariff & duty rates"
description: "Every Canadian tariff classification under HS 2901.23: Butene (butylene) and isomers thereof. CBSA duty rates for each code."
canonical: "https://www.adhocs.ca/hs-codes/2901.23"
---

# 2901.23 Butene (butylene) and isomers thereof

Up: [HS codes](https://www.adhocs.ca/hs-codes) › [Chapter 29](https://www.adhocs.ca/hs-codes/29) › [2901](https://www.adhocs.ca/hs-codes/2901)

3 classifications. Each 10-digit code links to its page, with its rate under every tariff treatment.

## 2901.23.00 Butene (butylene) and isomers thereof

- [2901.23.00.10](https://www.adhocs.ca/hs-codes/2901.23.00.10) 1-Butene
- [2901.23.00.20](https://www.adhocs.ca/hs-codes/2901.23.00.20) Isobutene
- [2901.23.00.90](https://www.adhocs.ca/hs-codes/2901.23.00.90) Other

## Other subheadings in this heading

- Previous: [2901.22](https://www.adhocs.ca/hs-codes/2901.22.00.00) Propene (propylene)
- Next: [2901.24](https://www.adhocs.ca/hs-codes/2901.24.00.00) Buta-1,3-diene and isoprene

[Source: CBSA Customs Tariff](https://www.cbsa-asfc.gc.ca/trade-commerce/tariff-tarif/menu-eng.html).