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- 1. Except where the context otherwise requires, the headings of this chapter apply only to:
- (a) Separate chemically defined organic compounds, whether or not containing impurities;
- (b) Mixtures of two or more isomers of the same organic compound (whether or not containing impurities), except mixtures of acyclic hydrocarbon isomers (other than stereoisomers), whether or not saturated (chapter 27);
- (c) The products of headings 2936 to 2939 or the sugar ethers, sugar acetals and sugar esters, and their salts, of heading 2940, or the products of heading 2941, whether or not chemically defined;
- (d) Products mentioned in (a), (b) or (c) above dissolved in water;
- (e) Products mentioned in (a), (b) or (c) above dissolved in other solvents provided that the solution constitutes a normal and necessary method of putting up these products adopted solely for reasons of safety or for transport and that the solvent does not render the product particularly suitable for specific use rather than for general use;
- (f) The products mentioned in (a), (b), (c), (d) or (e) above with an added stabilizer (including an anticaking agent) necessary for their preservation or transport;
- (g) The products mentioned in (a), (b), (c), (d), (e) or (f) above with an added anti-dusting agent or a coloring or odoriferous substance or an emetic added to facilitate their identification or for safety reasons, provided that the additions do not render the product particularly suitable for specific use rather than for general use;
- (h) The following products, diluted to standard strengths, for the production of azo dyes: diazonium salts, couplers used for these salts and diazotizable amines and their salts.
- 2. This chapter does not cover:
- (a) Goods of heading 1504 or crude glycerol of heading 1520;
- (b) Ethyl alcohol (heading 2207 or 2208);
- (c) Methane or propane (heading 2711);
- (d) The compounds of carbon mentioned in note 2 to chapter 28;
- (e) Immunological products of heading 3002;
- (f) Urea (heading 3102 or 3105);
- (g) Coloring matter of vegetable or animal origin (heading 3203), synthetic organic coloring matter, synthetic organic products of a kind used as fluorescent brightening agents or as luminophores (heading 3204) and dyes or other coloring matter put up in forms or packings for retail sale (heading 3212);
- (h) Enzymes (heading 3507);
- (ij) Metaldehyde, hexamethylenetetramine or similar substances put up in forms (for example, tablets, sticks or similar forms) for use as fuels, or liquid or liquefied-gas fuels in containers of a kind used for filling or refilling cigarette or similar lighters, and of a capacity not exceeding 300 cm3 (heading 3606);
- (k) Products put up as charges for fire extinguishers or put up in fire-extinguishing grenades, of heading 3813; ink removers put up in packings for retail sale, of heading 3824; or
- (l) Optical elements, for example, of ethylenediamine tartrate (heading 9001).
- 3. Goods which could be included in two or more of the headings of this chapter are to be classified in that one of those headings which occurs last in numerical order.
- 4. In headings 2904 to 2906, 2908 to 2911 and 2913 to 2920, any reference to halogenated, sulfonated, nitrated or nitrosated derivatives includes a reference to compound derivatives, such as sulfohalogenated, nitrohalogenated, nitrosulfonated or nitrosulfohalogenated derivatives.Nitro or nitroso groups are not to be taken as "nitrogen-functions" for the purposes of heading 2929.For the purposes of headings 2911, 2912, 2914, 2918 and 2922, “oxygen function”, the characteristic organic oxygen-containing group of those respective headings, is restricted to the oxygen-functions referred to in headings 2905 to 2920.
- 5.
- (A) The esters of acid-function organic compounds of subchapters I to VII with organic compounds of these subchapters are to be classified with that compound which is classified in the heading placed last in numerical order in these subchapters.
- (B) Esters of ethyl alcohol with acid-function organic compounds of subchapters I to VII are to be classified in the same heading as the corresponding acid-function compounds.
- (C) Subject to note l to section VI and note 2 to chapter 28:
- (1) Inorganic salts of organic compounds such as acid-, phenol- or enol-function compounds or organic bases, of subchapters I to X or heading 2942, are to be classified in the heading appropriate to the organic compound;
- (2) Salts formed between organic compounds of subchapters I to X or heading 2942 are to be classified in the heading appropriate to the base or to the acid (including phenol- or enol-function compounds) from which they are formed, whichever occurs last in numerical order in the chapter; and
- (3) Co-ordination compounds, other than products classifiable in subchapter XI or heading 2941, are to be classified in the heading which occurs last in numerical order in chapter 29, among those appropriate to the fragments formed by "cleaving" of all metal bonds, other than metal-carbon bonds.
- (D) Metal alcoholates are to be classified in the same heading as the corresponding alcohols except in the case of ethanol (heading 2905).
- (E) Halides of carboxylic acids are to be classified in the same heading as the corresponding acids.
- 6. The compounds of headings 2930 and 2931 are organic compounds the molecules of which contain, in addition to atoms of hydrogen, oxygen or nitrogen, atoms of other nonmetals or of metals (such as sulfur, arsenic or lead) directly linked to carbon atoms.Heading 2930 (organo-sulfur compounds) and heading 2931 (other organo-inorganic compounds) do not include sulfonated or halogenated derivatives (including compound derivatives) which, apart from hydrogen, oxygen and nitrogen, only have directly linked to carbon the atoms of sulfur or of a halogen which give them their nature of sulfonated or halogenated derivatives (or compound derivatives).
- 7. Headings 2932, 2933 and 2934 do not include epoxides with a three-membered ring, ketone peroxides, cyclic polymers of aldehydes or of thioaldehydes, anhydrides of polybasic carboxylic acids, cyclic esters of polyhydric alcohols or phenols with polybasic acids, or imides of polybasic acids.These provisions apply only when the ring-position hetero-atoms are those resulting solely from the cyclizing function or functions here listed.
- 8. For the purposes of heading 2937:
- (a) the term "hormones" includes hormone-releasing or hormone-stimulating factors, hormone inhibitors and hormone antagonists (antihormones);
- (b) the expression "used primarily as hormones" applies not only to hormone derivatives and structural analogues used primarily for their hormonal effect, but also to those derivatives and structural analogues used primarily as intermediates in the synthesis of products of this heading.
- 1. Within any one heading of this chapter, derivatives of a chemical compound (or group of chemical compounds) are to be classified in the same subheading as that compound (or group of compounds) provided that they are not more specifically covered by any other subheading and that there is no residual subheading named "Other" in the series of subheadings concerned.
- 2. Note 3 to chapter 29 does not apply to the subheadings of this chapter.
U.S. Tariff Rates
Acyclic hydrocarbons
Saturated
Ethane and butane
<i>n</i>-Pentane and isopentane
Other
Derived in whole or in part from petroleum, shale oil or natural gas
Other
Unsaturated
Ethylene
Propene (Propylene)
Butene (Butylene) and isomers thereof
Buta-1,3-diene and isoprene
Buta-1,3-diene
Isoprene
Having a purity of 95 percent or more by weight
Other
Other
Derived in whole or in part from petroleum, shale oil or natural gas
Linear <i>α</i>-olefins (C<sub>6</sub>-C<sub>30</sub>), unmixed
Other
Other
Cyclic hydrocarbons
Cyclanes, cyclenes and cycloterpenes
Cyclohexane
Other
Dicyclopentadiene
Other
Benzene
Toluene
Xylenes
<i>o</i>-Xylene
<i>m</i>-Xylene
<i>p</i>-Xylene
Mixed xylene isomers
Styrene
Ethylbenzene
Cumene
Other
Pseudocumene
Acenaphthene, chrysene, cymene, dimethylnaphthalenes, fluoranthene, fluorene, indene, mesitylene, methylanthracene, methylnaphthalene, phenanthrene and pyrene
Alkylbenzenes and polyalkylbenzenes
Dodecylbenzene
Other
Anthracene; and 1,4-Di-(2-methylstyryl)benzene
Biphenyl (Diphenyl), in flakes
Other
Halogenated derivatives of hydrocarbons
Saturated chlorinated derivatives of acyclic hydrocarbons
Chloromethane (Methyl chloride) and chloroethane (Ethyl chloride)
Chloromethane (Methyl chloride)
Chloroethane (Ethyl chloride)
Dichloromethane (Methylene chloride)
Chloroform (Trichloromethane)
Carbon tetrachloride
Ethylene dichloride (ISO) (1,2-dichloroethane)
Other
1,2-Dichloropropane (Propylene dichloride) and dichlorobutanes
Hexachloroethane and tetrachloroethane
<i>sec</i>-Butyl chloride
Other
Methylchloroform (1,1,1-Trichloroethane)
Other
Unsaturated chlorinated derivatives of acyclic hydrocarbons
Vinyl chloride (Chloroethylene)
Trichloroethylene
Tetrachloroethylene (Perchloroethylene)
Other
Saturated fluorinated derivatives of acyclic hydrocarbons
Trifluoromethane (HFC-23)
Difluoromethane (HFC-32)
Fluoromethane (HFC-41), 1,2-difluoroethane (HFC-152) and 1,1-difluoroethane (HFC-152a)
Pentafluoroethane (HFC-125), 1,1,1-trifluoroethane (HFC-143a) and 1,1,2-trifluoroethane (HFC-143)
1,1,1,2,2-Pentafluoroethane (HFC-125)
1,1,1-Trifluoroethane (HFC-143a)
1,1,2-trifluoroethane (HFC-143)
1,1,1,2-Tetrafluoroethane (HFC-134a) and 1,1,2,2-tetrafluoroethane (HFC-134)
1,1,1,3,3-Pentafluoropropane (HFC-245fa) and 1,1,2,2,3-pentafluoropropane (HFC-245ca)
1,1,1,3,3-Pentafluorobutane (HFC-365mfc) and 1,1,1,2,2,3,4,5,5,5-decafluoropentane (HFC-4310mee)
Other
Unsaturated 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)
Other
1,1,3,3,3-Pentafluoro-2-(trifluoromethyl)-prop-1-ene
Other
Brominated or iodinated derivatives of acyclic hydrocarbons
Methyl bromide (bromomethane)
Ethylene dibromide (ISO) (1,2-dibromoethane)
Other
Acetylene tetrabromide; alkyl bromides, other than methyl bromide (bromomethane); methylene dibromide; and vinyl bromide
Other
Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens
Chlorodifluoromethane (HCFC-22)
Dichlorotrifluoroethanes (HCFC-123)
Dichlorofluoroethanes (HCFC-141, 141b)
Chlorodifluoroethanes (HCFC-142, 142b)
Dichloropentafluoropropanes (HCFC-225, 225ca, 225cb)
Bromochlorodifluoromethane (Halon-1211), bromotrifluoromethane (Halon-1301) and dibromotetrafluoroethanes (Halon-2402)
Other, perhalogenated only with fluorine and chlorine
Trichlorofluoromethane
Trichlorotrifluoroethanes
Dichlorotetrafluoroethane (CFC-114)
Monochloropentafluoroethane (CFC-115)
Dichlorodifluoromethane
Other
Other perhalogenated derivatives
Other
Bromochloromethane
Other
Monochlorotetrafluoroethane (HCFC-124)
Other
Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons
1,2,3,4,5,6-Hexachlorocyclohexane (HCH (ISO)), including lindane (ISO, INN)
Aldrin (ISO), chlordane (ISO) and heptachlor (ISO)
Mirex (ISO)
Other
Derived in whole or in part from benzene or other aromatic hydrocarbons
Dibromoethyldibromocyclohexane
Other
Pesticides
Other
Products described in additional U.S. note 3 to section VI
Other
Other
Chlorinated, but not otherwise halogenated
Other
1,3,5,7,9,11-Hexabromocyclododecane
Tetrabromocyclooctane
Other
Halogenated derivatives of aromatic hydrocarbons
Chlorobenzene, <i>o</i>-dichlorobenzene and <i>p</i>-dichlorobenzene
Chlorobenzene
<i>o</i>-Dichlorobenzene
<i>p</i>-Dichlorobenzene
Hexachlorobenzene (ISO) and DDT (ISO) (clofenotane (INN)), (1,1,1-trichloro-2,2- bis(<i>p</i>-chlorophenyl)ethane)
Pentachlorobenzene (ISO)
Hexabromobiphenyls
Other
3-Bromo-<i>α</i>,<i>α</i>,<i>α</i>-trifluorotoluene; 2-Chloro-5-bromo-α,α,α-trifluorotoluene; and<i>α</i>-Chloro-3-methyltoluene
<i>p</i>-Chlorobenzotrifluoride; and 3,4-Dichlorobenzotrifluoride
<i>m</i>-Dichlorobenzene; 1,1-Dichloro-2,2-bis(<i>p</i>-ethylphenyl)ethane; and Trichlorobenzenes
Triphenylmethyl chloride
Benzyl chloride (<i>α</i>-Chlorotoluene); and Benzotrichloride (<i>α</i>,<i>α</i>,<i>α</i>-Trichlorotoluene)
Pentabromoethylbenzene
Tribromocumene
Other
Pesticides
Other
Sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated
Derivatives containing only sulfo groups, their salts and ethyl esters
2-Anthracenesulfonic acid
Benzenesulfonyl chloride
<i>m</i>-Benzenedisulfonic acid, sodium salt; 1,5-Naphthalenedisulfonic acid; and<i>p</i>-Toluenesulfonyl chloride
Mixtures of 1,3,6-naphthalenetrisulfonic acid and 1,3,7-naphthalenetrisulfonic acid
Other
Aromatic
Products described in additional U.S. note 3 to section VI
Other
Other
Derivatives containing only nitro or only nitroso groups
<i>p</i>-Nitrotoluene
<i>p</i>-Nitro-o-xylene
Trinitrotoluene
5-<i>tert</i>-Butyl-2,4,6-trinitro-<i>m</i>-xylene (Musk xylol) and other artificial musks
Nitrated benzene, nitrated toluene (except <i>p</i>-nitrotoluene), or nitrated naphthalene
Other
Aromatic
Products described in additional U.S. note 3 to section VI
Other
Other
Perfluorooctane sulfonic acid
Ammonium perfluorooctane sulfonate
Lithium perfluorooctane sulfonate
Potassium perfluorooctane sulfonate
Other salts of perfluorooctane sulfonic acid
Perfluorooctane sulfonyl fluoride
Other
Trichloronitromethane (chloropicrin)
Other
Monochloromononitrobenzenes
<i>o</i>-Nitrochlorobenzene; and<i>p</i>-Nitrochlorobenzene
Other
Nitrotoluenesulfonic acids
1-Bromo-2-nitrobenzene; 1,2-Dichloro-4-nitrobenzene and o-Fluoronitrobenzene
4,4'-Dinitrostilbene-2,2'-disulfonic acid
Other
Aromatic
Products described in additional U.S. note 3 to section VI
Other
Other
II. ALCOHOLS AND THEIR HALOGENATED, SULFONATED, NITRATED OR NITROSATED DERIVATIVES
Acyclic alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives
Saturated monohydric alcohols
Methanol (Methyl alcohol)
Imported only for use in producing synthetic natural gas (SNG) or for direct use as a fuel
Other
Imported for use in chemical production, including production of aldehydes, plastics, olefins and resins
For use in wastewater treatment
Other
Propan-1-ol (Propyl alcohol) and propan-2-ol (Isopropyl alcohol)
Propan-1-ol
Propan-2-ol
Butan-1-ol (<i>n</i>-Butyl alcohol)
Other butanols
<i>tert</i>-Butyl alcohol, having a purity of less than 99 percent by weight
Other
2-Methylpropan-1-ol (Isobutyl alcohol)
Other
Octanol (Octyl alcohol) and isomers thereof
2-Ethylhexan-1-ol
Other
Dodecan-1-ol (Lauryl alcohol), hexadecan-1-ol (Cetyl alcohol) and octadecan-1-ol (Stearyl alcohol)
Other
Pentanol (Amyl alcohol) and isomers thereof
Other
3,3-Dimethylbutan-2-ol (pinacolyl alcohol)
Decyl alcohol and isomers thereof
Hexyl alcohol and isomers thereof
Other
Unsaturated monohydric alcohols
Acyclic terpene alcohols
Geraniol
Isophytol
Other
Citronellol
Other
Other
Allyl alcohol
Other
Diols
Ethylene glycol (Ethanediol)
Propylene glycol (Propane-1,2-diol)
Other
Butylene glycol
Neopentyl glycol
Hexylene glycol
Other
Other polyhydric alcohols
2-Ethyl-2-(hydroxymethyl)propane-1,3-diol (Trimethylolpropane)
Pentaerythritol
Mannitol
<i>D</i>-Glucitol (Sorbitol)
Glycerol
Other
Triols and tetrols
Esters of glycerol formed with acids of heading 2904
Other
Polyhydric alcohols derived from sugars
Xylitol
Other
Other
Ethchlorvynol (INN)
Other
Derivatives of monohydric alcohols
Dibromoneopentylglycol
Other
Cyclic alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives
Cyclanic, cyclenic or cycloterpenic
Menthol
Cyclohexanol, methylcyclohexanols and dimethylcyclohexanols
Sterols and inositols
Inositols
Other
Other
Terpineols
Other
Aromatic
Benzyl alcohol
Other
Odoriferous or flavoring compounds
Phenethyl alcohol
Other
Other
1,1-Bis(4-chlorophenyl)- 2,2,2-trichloro-ethanol (Dicofol); and<i>p</i>-Nitrobenzyl alcohol
Other
III. PHENOLS, PHENOL-ALCOHOLS AND THEIR HALOGENATED, SULFONATED, NITRATED OR NITROSATED DERIVATIVES
Phenols; phenol-alcohols
Monophenols
Phenol (Hydroxybenzene) and its salts
Cresols and their salts
Octylphenol, nonylphenol and their isomers;salts thereof
Naphthols and their salts
<i>α</i>-Naphthol
<i>β</i>-Naphthol (2-Naphthol)
Other
Other
Alkylcresols
Alkylphenols
Thymol
Other
2-<i>tert</i>-Butylethylphenol; 6-<i>tert</i>-Butyl-2,4-xylenol; and Xylenols and their salts
Other
Polyphenols; phenol-alcohols
Resorcinol and its salts
Hydroquinone (Quinol) and its salts
Photographic grade
Other
4,4'-Isopropylidenediphenol (Bisphenol A, Diphenylolpropane) and its salts
Other
Phenol-alcohols
Pyrogallic acid
4,4'-Biphenol
<i>tert</i>-Butylhydroquinone
Other
Halogenated, sulfonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols
Derivatives containing only halogen substituents and their salts
Pentachlorophenol (ISO)
Other
2,2-Bis(4-hydroxyphenyl)-1,1,1,3,3,3-hexafluoro- propane
6-Chloro-<i>m</i>-cresol [OH=1];<i>m</i>-Chlorophenol; and Chlorothymol
3-Hydroxy-<i>α</i>,<i>α</i>,<i>α</i>-trifluorotoluene
Salts of pentachlorophenol; and 2,4,5-Trichlorophenol and its salts
Tetrabromobisphenol A
Other
Products described in additional U.S. note 3 to section VI
Other
Other
Dinoseb (ISO) and its salts
4,6-Dinitro-<i>o</i>-cresol (DNOC) (ISO) and its salts
Other
Derivatives containing only sulfo groups, their salts and esters
4-Hydroxy-1-naphthalenesulfonic acid (1-Naphthol-4-sulfonic acid)
1,8-Dihydroxynaphthalene-3,6-disulfonic acid and its disodium salt
Other
Products described in additional U.S. note 3 to section VI
Other
Other
<i>p</i>-Nitrophenol
Other nitrophenols
Dinitro-<i>o</i>-cresols (other than 4,6-dinitro-<i>o</i>-cresol) and 4-nitro-<i>m</i>-cresol
Dinitrobutylphenol and its salts
Other
Products described in additional U.S. note 3 to section VI
Other
Acyclic ethers and their halogenated, sulfonated, nitrated or nitrosated derivatives
Diethyl ether
Other
Ethers of monohydric alcohols
Methyl tertiary-butyl ether (MTBE)
Other
Ethers of polyhydric alcohols
Triethylene glycol dichloride
Other
Cyclanic, cyclenic or cycloterpenic ethers and their halogenated, sulfonated, nitrated or nitrosated derivatives
Aromatic ethers and their halogenated, sulfonated, nitrated or nitrosated derivatives
5-Chloro-2-nitroanisole; 6-Chloro-3-nitro-p-dimethoxybenzene; and Dimethyl diphenyl ether
Decabromodiphenyl oxide; and Octabromodiphenyl oxide
Bis(tribromophenoxy)ethane; Pentabromodiphenyl oxide; and Tetra decabromodiphenoxy benzene
Other
Odoriferous or flavoring compounds
6-<i>tert</i>-Butyl-3-methyl-2,4-dinitroanisole (Musk ambrette) and other artificial musks
Other
Pesticides
Other
Products described in additional U.S. note 3 to section VI
Other
Ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives
2,2'-Oxydiethanol (Diethylene glycol, Digol)
Monobutyl ethers of ethylene glycol or of diethylene glycol
Other monoalkyl ethers of ethylene glycol or of diethylene glycol
Monomethyl ethers of ethylene glycol or of diethylene glycol
Other
Other
Aromatic
Guaifenesin
Other
Products described in additional U.S. note 3 to section VI
Other
Other
Glycerol ethers
Dipentaerythritol having a purity of 94 percent or more by weight
Other
Ether-phenols, ether-alcohol-phenols and their halogenated, sulfonated, nitrated or nitrosated derivatives
4-Ethylguaiacol
Guaiacol and its derivatives
Other
Odoriferous or flavoring compounds
Eugenol and isoeugenol
Other
Other
Products described in additional U.S. note 3 to section VI
Other
Alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides and their halogenated, sulfonated, nitrated or nitrosated derivatives
Aromatic
Products described in additional U.S. note 3 to section VI
Other
Other
Epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulfonated, nitrated or nitrosated derivatives
Oxirane (Ethylene oxide)
Methyloxirane (Propylene oxide)
1-Chloro-2,3-epoxypropane (Epichlorohydrin)
Dieldrin (ISO, INN)
Endrin