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HS heading 29.27: Diazo-, azo- or azoxy-compounds

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Key facts

Heading
29.27
Description
Diazo-, azo- or azoxy-compounds
Chapter
29: Organic chemicals
Subheadings
1
Edition
HS2022

Summary

HS heading 29.27 covers diazo-, azo- or azoxy-compounds. It is in chapter 29 (organic chemicals). It is not split further: its only subheading is 2927.00. National tariff lines under heading 29.27 are live on border.bot for the United States (8 lines, also used by 1 other country).

What this code covers

HS heading 29.27 covers diazo-, azo- or azoxy-compounds.

It is not split further: its only subheading is 2927.00.

  • 2927.00Diazo-, azo- or azoxy-compounds

What it doesn’t cover

Other goods of chapter 29 are classified in its other 41 headings, listed below.

  • 29.01Acyclic hydrocarbons
  • 29.02Cyclic hydrocarbons
  • 29.03Halogenated derivatives of hydrocarbons
  • 29.04Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated
  • 29.05Acyclic alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives
  • 29.06Cyclic alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives
  • 29.07Phenols; phenol-alcohols
  • 29.08Halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols
  • 29.09Ethers, ether-alcohols, ether-phenols, ether-alcohol-phenols, alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides (whether or not chemically defined), and their halogenated, sulphonated, nitrated or nitrosated derivatives
  • 29.10Epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulphonated, nitrated or nitrosated derivatives
  • 29.11Acetals and hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives
  • 29.12Aldehydes, whether or not with other oxygen function; cyclic polymers of aldehydes; paraformaldehyde
  • 29.13Halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 29.12
  • 29.14Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives
  • 29.15Saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives
  • 29.16Unsaturated acyclic monocarboxylic acids, cyclic monocarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives
  • 29.17Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives
  • 29.18Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives
  • 29.19Phosphoric esters and their salts, including lactophosphates; their halogenated, sulphonated, nitrated or nitrosated derivatives
  • 29.20Esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives
  • 29.21Amine-function compounds
  • 29.22Oxygen-function amino-compounds
  • 29.23Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined
  • 29.24Carboxyamide-function compounds; amide-function compounds of carbonic acid
  • 29.25Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds
  • 29.26Nitrile-function compounds
  • 29.28Organic derivatives of hydrazine or of hydroxylamine
  • 29.29Compounds with other nitrogen function
  • 29.30Organo-sulphur compounds
  • 29.31Other organo-inorganic compounds
  • 29.32Heterocyclic compounds with oxygen hetero-atom(s) only
  • 29.33Heterocyclic compounds with nitrogen hetero-atom(s) only
  • 29.34Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds
  • 29.35Sulphonamides
  • 29.36Provitamins and vitamins, natural or reproduced by synthesis (including natural concentrates), derivatives thereof used primarily as vitamins, and intermixtures of the foregoing, whether or not in any solvent
  • 29.37Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones
  • 29.38Glycosides, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives
  • 29.39Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives
  • 29.40Sugars, chemically pure, other than sucrose, lactose, maltose, glucose and fructose; sugar ethers, sugar acetals and sugar esters, and their salts, other than products of heading 2937, 2938 or 2939
  • 29.41Antibiotics
  • 29.42Other organic compounds

How it is structured

Heading 29.27 is one of 42 headings in chapter 29. Its first two digits, 29, are the chapter; the next two, 27, number the heading within it. Its subheadings add two more digits (2927.00).

In other countries

National tariff lines under heading 29.27 are live on border.bot for the United States (8 lines, also used by 1 other country).

Frequently asked questions

What does HS heading 29.27 cover?

HS heading 29.27 covers diazo-, azo- or azoxy-compounds.

Which chapter is HS heading 29.27 in?

HS heading 29.27 is in chapter 29 (organic chemicals).

How many subheadings does HS heading 29.27 have?

HS heading 29.27 has one subheading, 2927.00.

Which countries’ tariffs list national lines under HS heading 29.27?

National tariff lines under heading 29.27 are live on border.bot for the United States (8 lines, also used by 1 other country).

Sources and updates

The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.

This page was last updated on 11 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

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