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HS HEADING 2926

Nitrile-function compounds

HEADING

2926

CHAPTER

29Organic chemicals

6-digit subheadings (5)

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

2926.10

Nitrile-function compounds; acrylonitrile

2926.20

Nitrile-function compounds; 1-cyanoguanidine (dicyandiamide)

2926.30

Nitrile-function compounds; fenproporex (INN) and its salts; methadone (INN) intermediate (4-cyano-2-dimethylamino-4,4-diphenylbutane)

2926.40

Nitrile-function compounds; alpha-phenylacetoacetonitrile

2926.90

Nitrile-function compounds; n.e.c. heading no. 2926

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