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GOODS ACROSS BORDERS

HS HEADING 2901

Acyclic hydrocarbons

HEADING

2901

CHAPTER

29Organic chemicals

6-digit subheadings (6)

Official HS 2022 subheading texts. National tariff schedules subdivide these further (8-10 digit lines) and set the actual duty rates.

2901.10

Acyclic hydrocarbons; saturated

2901.21

Acyclic hydrocarbons; unsaturated, ethylene

2901.22

Acyclic hydrocarbons; unsaturated, propene (propylene)

2901.23

Acyclic hydrocarbons; unsaturated, butene (butylene) and isomers thereof

2901.24

Acyclic hydrocarbons; unsaturated, buta-1,3-diene and isoprene

2901.29

Acyclic hydrocarbons; unsaturated, n.e.c. in heading no. 2901

Chapter 29 classification notes

Key chapter for pharmaceutical intermediates, narcotic and psychotropic substances (controlled under the 1961 and 1971 UN Conventions), and list-1 chemicals under the 1988 Convention (drug-precursor control). Import requires prior authorisation from the national competent authority.

Frequent misclassification in this chapter

Finished medicaments: Chapter 30 (3004). Agricultural pesticides: Chapter 38 (3808) when formulated; raw active ingredients may be Chapter 29. Essential oils: Chapter 33 when perfumery-grade.

Classification certainty

The 6-digit level shown here is the internationally harmonised layer. Duty rates attach to national 8-10 digit tariff lines, which differ by country — use the duty calculator for lane estimates. For binding certainty, request a ruling from the destination customs authority.

Binding tariff ruling database

Other headings in Chapter 29

RULES5,339COUNTRIES85ITEMS111CARRIERS28GUIDES46UNIQUE SOURCES645LATEST VERIFICATION2026-07-26MethodologyChangelog