HS code 2903.83: Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons, mirex (ISO)

Last updated 11 October 2026

Landed cost with 2903.83 Classify a product

Key facts

HS code: 2903.83
Covers: Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons, mirex (ISO)
Heading: 29.03: Halogenated derivatives of hydrocarbons
Chapter: 29: Organic chemicals
Edition: HS2022
Duty in the United States: See its 1 line

Summary

HS code 2903.83 covers halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons, mirex (ISO). It sits in heading 29.03 (halogenated derivatives of hydrocarbons) in chapter 29 (organic chemicals). Other goods of heading 29.03 are classified under 2903.11 (saturated chlorinated derivatives of acyclic hydrocarbons, chloromethane (methyl chloride) and chloroethane (ethyl chloride)), 2903.12 (saturated chlorinated derivatives of acyclic hydrocarbons, dichloromethane (methylene chloride)), 2903.13 (saturated chlorinated derivatives of acyclic hydrocarbons, chloroform (trichloromethane)), 2903.14 (saturated chlorinated derivatives of acyclic hydrocarbons, carbon tetrachloride) or 37 others. National tariff lines under 2903.83 are live on border.bot for the United States (1 line, also used by 1 other country).

What this code covers

HS code 2903.83 covers halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons, mirex (ISO).

The legal text of the subheading is “Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons: Mirex (ISO)”, read under “Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons”, in HS2022.

What it doesn’t cover

Other goods of heading 29.03 are classified under 2903.11 (saturated chlorinated derivatives of acyclic hydrocarbons, chloromethane (methyl chloride) and chloroethane (ethyl chloride)), 2903.12 (saturated chlorinated derivatives of acyclic hydrocarbons, dichloromethane (methylene chloride)), 2903.13 (saturated chlorinated derivatives of acyclic hydrocarbons, chloroform (trichloromethane)), 2903.14 (saturated chlorinated derivatives of acyclic hydrocarbons, carbon tetrachloride) or 37 others.

2903.11Saturated chlorinated derivatives of acyclic hydrocarbons: Chloromethane (methyl chloride) and chloroethane (ethyl chloride)
2903.12Saturated chlorinated derivatives of acyclic hydrocarbons: Dichloromethane (methylene chloride)
2903.13Saturated chlorinated derivatives of acyclic hydrocarbons: Chloroform (trichloromethane)
2903.14Saturated chlorinated derivatives of acyclic hydrocarbons: Carbon tetrachloride
2903.15Saturated chlorinated derivatives of acyclic hydrocarbons: Ethylene dichloride (ISO) (1,2-dichloroethane)
2903.19Saturated chlorinated derivatives of acyclic hydrocarbons: Other
2903.21Unsaturated chlorinated derivatives of acyclic hydrocarbons: Vinyl chloride (chloroethylene)
2903.22Unsaturated chlorinated derivatives of acyclic hydrocarbons: Trichloroethylene
2903.23Unsaturated chlorinated derivatives of acyclic hydrocarbons: Tetrachloroethylene (perchloroethylene)
2903.29Unsaturated chlorinated derivatives of acyclic hydrocarbons: Other
2903.41Saturated fluorinated derivatives of acyclic hydrocarbons: Trifluoromethane (HFC-23)
2903.42Saturated fluorinated derivatives of acyclic hydrocarbons: Difluoromethane (HFC-32)
2903.43Saturated fluorinated derivatives of acyclic hydrocarbons: Fluoromethane (HFC-41), 1,2-difluoroethane (HFC-152) and 1,1-difluoroethane (HFC-152a)
2903.44Saturated fluorinated derivatives of acyclic hydrocarbons: Pentafluoroethane (HFC-125), 1,1,1-trifluoroethane (HFC-143a) and 1,1,2-trifluoroethane (HFC-143)
2903.45Saturated fluorinated derivatives of acyclic hydrocarbons: 1,1,1,2-Tetrafluoroethane (HFC-134a) and 1,1,2,2- tetrafluoroethane (HFC-134)
2903.46Saturated fluorinated derivatives of acyclic hydrocarbons: 1,1,1,2,3,3,3-Heptafluoropropane (HFC-227ea), 1,1,1,2,2,3-hexafluoropropane (HFC-236cb), 1,1,1,2,3,3-hexafluoropropane (HFC-236ea) and 1,1,1,3,3,3-hexafluoropropane (HFC-236fa)
2903.47Saturated fluorinated derivatives of acyclic hydrocarbons: 1,1,1,3,3-Pentafluoropropane (HFC-245fa) and 1,1,2,2,3-pentafluoropropane (HFC-245ca)
2903.48Saturated fluorinated derivatives of acyclic hydrocarbons: 1,1,1,3,3-Pentafluorobutane (HFC-365mfc) and 1,1,1,2,2,3,4,5,5,5-decafluoropentane (HFC-43-10mee)
2903.49Saturated fluorinated derivatives of acyclic hydrocarbons: Other
2903.51Unsaturated fluorinated derivatives of acyclic hydrocarbons: 2,3,3,3-Tetrafluoropropene (HFO-1234yf), 1,3,3,3- tetrafluoropropene (HFO-1234ze) and (Z)-1,1,1,4,4,4- hexafluoro-2-butene (HFO-1336mzz)
2903.59Unsaturated fluorinated derivatives of acyclic hydrocarbons: Other
2903.61Brominated or iodinated derivatives of acyclic hydrocarbons: Methyl bromide (bromomethane)
2903.62Brominated or iodinated derivatives of acyclic hydrocarbons: Ethylene dibromide (ISO) (1,2-dibromoethane)
2903.69Brominated or iodinated derivatives of acyclic hydrocarbons: Other
2903.71Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens: Chlorodifluoromethane (HCFC-22)
2903.72Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens: Dichlorotrifluoroethanes (HCFC-123)
2903.73Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens: Dichlorofluoroethanes (HCFC-141, 141b)
2903.74Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens: Chlorodifluoroethanes (HCFC-142, 142b)
2903.75Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens: Dichloropentafluoropropanes (HCFC-225, 225ca, 225cb)
2903.76Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens: Bromochlorodifluoromethane (Halon-1211), bromotrifluoromethane (Halon-1301) and dibromotetrafluoroethanes (Halon-2402)
2903.77Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens: Other, perhalogenated only with fluorine and chlorine
2903.78Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens: Other perhalogenated derivatives
2903.79Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens: Other
2903.81Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons: 1,2,3,4,5,6-Hexachlorocyclohexane (HCH (ISO)), including lindane (ISO, INN)
2903.82Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons: Aldrin (ISO), chlordane (ISO) and heptachlor (ISO)
2903.89Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons: Other
2903.91Halogenated derivatives of aromatic hydrocarbons: Chlorobenzene, o-dichlorobenzene and p-dichlorobenzene
2903.92Halogenated derivatives of aromatic hydrocarbons: Hexachlorobenzene (ISO) and DDT (ISO) (clofenotane (INN), 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane)
2903.93Halogenated derivatives of aromatic hydrocarbons: Pentachlorobenzene (ISO)
2903.94Halogenated derivatives of aromatic hydrocarbons: Hexabromobiphenyls
2903.99Halogenated derivatives of aromatic hydrocarbons: Other

How it is structured

2903.83 is a six-digit subheading. Its first two digits, 29, are the chapter; the first four, 2903, are heading 29.03; the last two, 83, identify the subheading within the heading.

Countries add their own digits after these six for their national tariff lines.

Chapter 29: Organic chemicals
Heading 29.03: Halogenated derivatives of hydrocarbons
Within the heading: Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons
Subheading 2903.83: Mirex (ISO)

In other countries

National tariff lines under 2903.83 are live on border.bot for the United States (1 line, also used by 1 other country).

United States1 line, used by 1 other country

Frequently asked questions

What does HS code 2903.83 cover?

HS code 2903.83 covers halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons, mirex (ISO).

Which heading and chapter is HS code 2903.83 in?

HS code 2903.83 is in heading 29.03 (halogenated derivatives of hydrocarbons) in chapter 29 (organic chemicals).

Where are goods of heading 29.03 classified when 2903.83 doesn’t fit?

Which countries’ tariffs list national lines under HS code 2903.83?

National tariff lines under 2903.83 are live on border.bot for the United States (1 line, 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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