HEADING 2909
Ethers, 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, sulfonated, nitrated or nitrosated derivatives
Part of Chapter 29 — Organic Chemicals, Section VI.
Subheadings and tariff lines
2909D01Acyclic ethers and their halogenated, sulfonated, nitrated or nitrosated derivatives:
2909.11.00.00Diethyl ether
2909.19Other:
2909.19D02Ethers of monohydric alcohols:
2909.19.14.00Methyl tertiary-butyl ether (MTBE)
2909.19.18.00Other
2909.19D03Ethers of polyhydric alcohols:
2909.19.30.00Triethylene glycol dichloride
2909.19.60.00Other
2909.20.00.00Cyclanic, cyclenic or cycloterpenic ethers and their halogenated, sulfonated, nitrated or nitrosated derivatives
2909.30Aromatic ethers and their halogenated, sulfonated, nitrated or nitrosated derivatives:
2909.30.05.005-Chloro-2-nitroanisole; 6-Chloro-3-nitro-p-dimethoxybenzene; and Dimethyl diphenyl ether
2909.30.07.00Decabromodiphenyl oxide; and Octabromodiphenyl oxide
2909.30.09.00Bis(tribromophenoxy)ethane; Pentabromodiphenyl oxide; and Tetra decabromodiphenoxy benzene
2909.30D04Other:
2909.30.09.00D05Odoriferous or flavoring compounds:
2909.30.10.006-tert-Butyl-3-methyl-2,4-dinitroanisole (Musk ambrette) and other artificial musks
2909.30.20.00Other
2909.30.30.00Pesticides
2909.30.09.00D06Other:
2909.30.40.00Products described in additional U.S. note 3 to section VI
2909.30.60.00Other
2909D07Ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives:
2909.41.00.002,2'-Oxydiethanol (Diethylene glycol, Digol)
2909.43.00.00Monobutyl ethers of ethylene glycol or of diethylene glycol
2909.44.01Other monoalkyl ethers of ethylene glycol or of diethylene glycol
2909.44.01.10Monomethyl ethers of ethylene glycol or of diethylene glycol
2909.44.01.50Other
2909.49Other:
2909.49D08Aromatic:
2909.49.05.00Guaifenesin
2909.49D09Other:
2909.49.10.00Products described in additional U.S. note 3 to section VI
2909.49.15.00Other
2909.49D10Other:
2909.49.20.00Glycerol ethers
2909.49.30.00Dipentaerythritol having a purity of 94 percent or more by weight
2909.49.60.00Other
2909.50Ether-phenols, ether-alcohol-phenols and their halogenated, sulfonated, nitrated or nitrosated derivatives:
2909.50.10.004-Ethylguaiacol
2909.50.20.00Guaiacol and its derivatives
2909.50D11Other:
2909.50.40Odoriferous or flavoring compounds
2909.50.40.10Eugenol and isoeugenol
2909.50.40.50Other
2909.50.20.00D12Other:
2909.50.45.00Products described in additional U.S. note 3 to section VI
2909.50.50.00Other
2909.60Alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides and their halogenated, sulfonated, nitrated or nitrosated derivatives:
2909.60D13Aromatic:
2909.60.10.00Products described in additional U.S. note 3 to section VI
2909.60.20.00Other
2909.60.50.00Other
Recent CBP rulings on heading 2909
N350399
October 15, 2025
The tariff classification of m-PEG7-Br from China
N313208
August 10, 2020
The tariff classification of Tetrabromolbisphenol A Bis (2,3-dibromopropyl ether) (CAS # 21850-44-2) Distillate from an unknown country.
N299075
July 27, 2018
The tariff classification of Hydroquinone Monomethyl Ether (CAS# 150-76-5) from India
N287015
July 3, 2017
The tariff classification of 2-phenoxyethanol from China
H277475
January 26, 2017
Lyondell Chemical Company Commercial interchangeability under substitution unused merchandise drawback; 19 U.S.C. § 1313(j)(2); Ethyl tertiary butyl ether.
H271804
January 24, 2017
The Dow Chemical Company Request for a determination of commercial interchangeability under substitution unused merchandise drawback, 19 U.S.C. § 1313(j)(2), for Tripropylene Glycol Acrylate Grade.
N268190
September 11, 2015
The tariff classification of Trigonox (TMBH) from Netherlands
N264984
August 6, 2015
The tariff classification of Nivitol™
N256493
October 28, 2014
The tariff classification of Butyl triglycol, CAS No. 143-22-6
N240266
May 1, 2013
The tariff classification of Dipropylene glycol dimethyl ether, CAS 111109-77-4, from China
N188799
November 10, 2011
The tariff classification of Diethylene glycol dimethyl ether, CAS No. 111-96-6, from China
N170378
June 24, 2011
The tariff classification of 1-(Benzyloxy)-3-chloropropane, CAS No. 26420-79-1, from Belgium
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