Other
Other colouring matter; preparations as specified in Note 3 to this Chapter, other than those of heading 32.03, 32.04 or 32.05; inorganic products of a kind used as luminophores, whether or not chemically defined. > Other: > Other
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2933.99.00
1-Methylindole
1-Methylindole is a modified aromatic indole derivative with a methyl group at the nitrogen position, used in organic synthesis for pharmaceuticals and other applications. As a separate chemically defined organic compound with an indole ring (nitrogen hetero-atom only), it falls under tariff item 2933.99.00 for other heterocyclic compounds.
2-Methylindole
2-Methylindole is a simple alkyl-substituted indole with methylation at position 2, used in perfume synthesis and as a pharmaceutical intermediate. As a separate chemically defined organic compound with an indole ring, it is classified under tariff item 2933.99.00 for other heterocyclic compounds with nitrogen hetero-atoms only.
3-Acetylindole
3-Acetylindole contains a ketone functionality at position 3 of the indole structure, used as an important intermediate for alkaloid synthesis. As a separate chemically defined organic compound with an indole ring, it falls under tariff item 2933.99.00 for other heterocyclic compounds, with the heterocycle taking precedence over the ketone function.
5-Methoxyindole
5-Methoxyindole contains a methoxy substitution on the benzene ring of indole, used as a key intermediate for melatonin synthesis. As a separate chemically defined organic compound with an indole ring, it is classified under tariff item 2933.99.00 for other heterocyclic compounds with nitrogen hetero-atoms only.
6-Chloro-2-(4-Hydroxyphenoxy)quinoxaline Ethyl Propionate
6-Chloro-2-(4-Hydroxyphenoxy)quinoxaline Ethyl Propionate is a synonym for quizalofop-P-ethyl, a specific ethyl ester of a propionic acid derivative with a quinoxaline core. As a separate chemically defined organic compound with a quinoxaline ring (nitrogen hetero-atoms only), it falls under tariff item 2933.99.00 for other heterocyclic compounds.
6-Fluoroindole
6-Fluoroindole is a halogenated indole derivative with fluorine at position 6, used in pharmaceutical synthesis. As a separate chemically defined organic compound with an indole ring, it falls under tariff item 2933.99.00 for other heterocyclic compounds, with the halogen not triggering separate classification per Chapter 29 notes.
9-Aminoacridine
9-Aminoacridine is an acridine derivative with an amino group at position 9, used in pharmaceutical intermediates. As a separate chemically defined organic compound with an acridine ring (nitrogen hetero-atom only), it is classified under tariff item 2933.99.00 for other heterocyclic compounds.
Butyl (R)-2-[4-(5-trifluoromethyl-2-pyridinyloxy)phenoxy]propanoate
Butyl (R)-2-[4-(5-trifluoromethyl-2-pyridinyloxy)phenoxy]propanoate is a chiral heterocyclic compound containing a pyridine ring with a trifluoromethyl group and an aryloxypropanoate moiety. As a separate chemically defined organic compound with a nitrogen hetero-atom in its ring structure, it falls under tariff item 2933.99.00 for other heterocyclic compounds with nitrogen hetero-atoms only.
Ethyl (R)-Quizalofop Technical Grade
Ethyl (R)-Quizalofop technical grade is the R-enantiomer of 2-[4-[(6-chloroquinoxalin-2-yl)oxy]phenoxy]propanoic acid ethyl ester, a high-purity chiral herbicide active ingredient. As a separate chemically defined organic compound with a quinoxaline ring, it is classified under tariff item 2933.99.00 for other heterocyclic compounds with nitrogen hetero-atoms only.
Fluazifop-P-butyl Active Ingredient
Fluazifop-P-butyl is the (R)-enantiomer of butyl 2-[4-(5-trifluoromethyl-2-pyridinyloxy)phenoxy]propanoate, a post-emergence herbicide for grass weed control. As a separate chemically defined organic compound with a pyridine ring, it is classified under tariff item 2933.99.00 for other heterocyclic compounds with nitrogen hetero-atoms only.
Haloxyfop-P-butyl Technical Grade
Haloxyfop-P-butyl technical grade is the (R)-enantiomer of butyl 2-[4-(5-trifluoromethyl-2-pyridinyloxy)phenoxy]propanoate, a selective graminicide active ingredient. As a separate chemically defined organic compound with a pyridine ring, it falls under tariff item 2933.99.00 for other heterocyclic compounds with nitrogen hetero-atoms only.
Quizalofop-P-Ethyl 97% TC Powder
Quizalofop-P-Ethyl 97% TC Powder is a technical concentrate of quizalofop-P-ethyl at 97% purity, the named compound 2-[4-[(6-chloro-2-quinoxalinyl)oxy]phenoxy]propionic acid ethyl ester in powder form. As a separate chemically defined organic compound with a quinoxaline ring, it falls under tariff item 2933.99.00 for other heterocyclic compounds.
Quizalofop-P-Ethyl Herbicide
Quizalofop-P-Ethyl Herbicide is a selective post-emergence herbicide used primarily for grass weed control in broadleaf crops, chemically 2-[4-[(6-chloro-2-quinoxalinyl)oxy]phenoxy]-propionic acid ethyl ester. As a separate chemically defined organic compound with a quinoxaline ring, it is classified under tariff item 2933.99.00 for other heterocyclic compounds with nitrogen hetero-atoms only.
(R)-Haloxyfop-P-butyl Herbicidal Intermediate
(R)-Haloxyfop-P-butyl herbicidal intermediate is the pure (R)-enantiomer of the named propanoate compound, imported as a synthetic intermediate for enantiopure graminicide herbicides. As a separate chemically defined organic compound with a pyridine ring, it is classified under tariff item 2933.99.00 for other heterocyclic compounds with nitrogen hetero-atoms only.
Targa Quizalofop-P-Ethyl Active Ingredient
Targa Quizalofop-P-Ethyl Active Ingredient is the active ingredient used in Targa herbicide, chemically identified as 2-[4-[(6-chloroquinoxalin-2-yl)oxy]phenoxy]propanoic acid ethyl ester. As a separate chemically defined organic compound with a quinoxaline ring, it falls under tariff item 2933.99.00 for other heterocyclic compounds.