Other
Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. > Other: > Other
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2918.9
2,4,5-T Amine Salt (Triethanolamine)
A triethanolamine salt of 2,4,5-trichlorophenoxyacetic acid (2,4,5-T), formulated as a highly water-soluble concentrate for aquatic weed control. As a salt of the specified acid, it falls directly under tariff item 2918.91.00, which covers 2,4,5-T and its salts and esters. Its water solubility minimizes drift and makes it suitable for spray applications.
2918.91.002,4,5-T Free Acid with Stabilizer
2,4,5-T free acid with a stabilizer added to prevent degradation during transport, ensuring the product remains stable for herbicide manufacturing. Chapter note 1(f) permits added stabilizers necessary for preservation, so this product remains classified under tariff item 2918.91.00. The stabilizer does not alter the product's essential character.
2918.91.002,4,5-T Potassium Salt
Potassium salt of 2,4,5-trichlorophenoxyacetic acid, a quick-dissolving formulation for spray applications in pasture weed management. As a salt of the specified acid, it is classified under tariff item 2918.91.00. The potassium form enhances water solubility and rapid uptake.
2918.91.002,4,5-Trichlorophenoxyacetic Acid (2,4,5-T)
Pure 2,4,5-trichlorophenoxyacetic acid (2,4,5-T), a synthetic auxin herbicide that disrupts plant growth by mimicking natural hormones. It is a separate chemically defined organic compound, classified under tariff item 2918.91.00. This is the base acid form, used in herbicide formulations.
2918.91.002-Ethylhexyl 2,4,5-T Ester
2-Ethylhexyl ester of 2,4,5-T, a low-volatility ester form used in herbicide mixes to reduce drift and enhance penetration in woody weeds. As an ester of the specified acid, it is classified under tariff item 2918.91.00. The ester form improves oil solubility for foliar applications.
2918.91.00Butyl 2,4,5-Trichlorophenoxyacetate Ester
Butyl ester of 2,4,5-trichlorophenoxyacetic acid, a volatile ester form for foliar absorption in weed control. As an ester of the specified acid, it falls under tariff item 2918.91.00. Its volatility aids in rapid plant uptake but requires careful handling.
2918.91.00Isooctyl Ester of 2,4,5-Trichlorophenoxyacetic Acid
Isooctyl ester of 2,4,5-trichlorophenoxyacetic acid, used in oil-based herbicide formulations for better leaf penetration and systemic weed control. As an ester of the specified acid, it is classified under tariff item 2918.91.00. The isooctyl ester provides low volatility and improved efficacy.
2918.91.00Sodium 2,4,5-Trichlorophenoxyacetate Salt
Sodium salt of 2,4,5-trichlorophenoxyacetic acid, a water-soluble form for herbicide applications. As a salt of the specified acid, it is classified under tariff item 2918.91.00. The sodium salt retains herbicidal properties and is used in various formulations.
2918.91.00Technical Grade 2,4,5-T Acid (95% Purity)
Technical-grade 2,4,5-trichlorophenoxyacetic acid at 95% purity, containing minor impurities, used as an intermediate for herbicide production. As a separate chemically defined organic compound with impurities, it is classified under tariff item 2918.91.00 per chapter note 1(a). The impurities do not affect its classification.
2918.99.001-Hydroxy-6-docosyloxy-2-naphthalene-carboxylic acid
1-Hydroxy-6-docosyloxy-2-naphthalene-carboxylic acid is a separate chemically defined aromatic carboxylic acid with a hydroxy group and a long docosyloxy chain. It falls under this tariff item as an 'other' carboxylic acid with additional oxygen function, used in industrial applications.
2918.99.001-Hydroxy-6-docosyloxy-2-naphthalene-carboxylic acid stabilized
Stabilized 1-hydroxy-6-docosyloxy-2-naphthalene-carboxylic acid contains an added stabilizer necessary for preservation or transport, which is permitted under Chapter 29 note 1(f). It remains classified under this tariff item as an 'other' carboxylic acid with additional oxygen function.
2918.99.001-Hydroxy-6-octadecyloxy-2-naphthalene-carboxylic acid
1-Hydroxy-6-octadecyloxy-2-naphthalene-carboxylic acid is a separate chemically defined aromatic carboxylic acid with a hydroxy group and an octadecyloxy chain. It is classified under this tariff item as an 'other' carboxylic acid with additional oxygen function, used in surfactant production.
2918.99.001-Hydroxy-6-octadecyloxy-2-naphthalene-carboxylic acid (98% purity)
High-purity 98% 1-hydroxy-6-octadecyloxy-2-naphthalene-carboxylic acid is a separate chemically defined compound with minor impurities, which do not affect classification. It falls under this tariff item as an 'other' carboxylic acid with additional oxygen function, used as an intermediate.
2918.99.002-(2,4-Dichlorophenoxy)propionic acid
2-(2,4-Dichlorophenoxy)propionic acid, also known as 2,4-DP, is a chlorinated aromatic carboxylic acid with an ether oxygen function used as a selective herbicide for broadleaf weed control. As a separate chemically defined organic compound, it is classified under tariff item 2918.99.00 as an 'other' carboxylic acid with additional oxygen function.
2918.99.002-(2-Methyl-4-chlorophenoxy)propanoic Acid Technical
2-(2-Methyl-4-chlorophenoxy)propanoic Acid Technical is the IUPAC name for Mecoprop, a chlorinated aromatic carboxylic acid with an additional oxygen function. As a separate chemically defined organic compound, it is classified under the 'other' carboxylic acids with additional oxygen function of heading 29.18.
2918.99.002,4-D 2-Ethylhexyl Ester
2,4-D 2-Ethylhexyl Ester is a low-volatility ester of 2,4-D used for turf and forestry weed control. As an ester of an acid-function organic compound, it is classified with the parent acid under heading 29.18, per Chapter 29 note 5(A).
2918.99.002,4-D Butoxyethyl Ester (2,4-D BEE)
2,4-D Butoxyethyl Ester (2,4-D BEE) is a low-volatility ester of 2,4-D used in pasture and rangeland weed control. As an ester of an acid-function organic compound, it is classified with the parent acid under heading 29.18, per Chapter 29 note 5(A).
2918.99.002,4-D Choline Salt
2,4-D Choline Salt is a reduced-volatility salt of 2,4-D used in soybean herbicide tank mixes. As an inorganic salt of an organic acid, it is classified with the parent acid under heading 29.18, per Chapter 29 note 5(C)(1).
2918.99.002,4-Dichlorophenoxyacetic Acid (2,4-D)
2,4-Dichlorophenoxyacetic acid (2,4-D) is an aromatic carboxylic acid with an ether oxygen function used as a systemic herbicide for broadleaf weed control in agriculture. As a separate chemically defined organic compound, it is classified under tariff item 2918.99.00 as an 'other' carboxylic acid derivative.
2918.99.002,4-Dichlorophenoxyacetic Acid (2,4-D) Technical Grade
2,4-Dichlorophenoxyacetic Acid (2,4-D) Technical Grade is a synthetic auxin herbicide used for broadleaf weed control in agriculture. As a separate chemically defined organic compound with an additional oxygen function, it is classified under heading 29.18.
2918.99.002,4-D Isopropyl Ester
2,4-D Isopropyl Ester is an ester of 2,4-D used for small grain weed control, providing rapid foliar penetration. As an ester of an acid-function organic compound, it is classified with the parent acid under heading 29.18, per Chapter 29 note 5(A).
2918.99.002,4-D Sodium Salt
2,4-D Sodium Salt is a water-soluble salt of 2,4-D used in aquatic herbicide applications and dry flowable formulations. As an inorganic salt of an organic acid, it is classified with the parent acid under heading 29.18, per Chapter 29 note 5(C)(1).
2918.99.003-Phenoxybenzoic Acid
3-Phenoxybenzoic acid is an aromatic carboxylic acid with an additional oxygen function in the form of a phenoxy ether group attached to the benzene ring. It is a separate chemically defined organic compound, which qualifies for classification under this tariff item as an 'other' carboxylic acid with additional oxygen function.
2918.99.003-Phenoxybenzoic Acid Technical Grade
Technical grade 3-phenoxybenzoic acid with 95-98% purity is a separate chemically defined organic compound, as impurities do not change its chemical identity. It falls under this tariff item as an 'other' carboxylic acid with additional oxygen function, consistent with Chapter 29 note 1(a).
2918.99.004-(2,4-Dichlorophenoxy)butyric Acid (2,4-DB)
4-(2,4-Dichlorophenoxy)butyric acid (2,4-DB) is a selective herbicide with an ether oxygen linkage, used on legumes and soybeans, and metabolizes to 2,4-D in plants. As a separate chemically defined organic compound with a carboxylic acid and additional oxygen function, it is classified under tariff item 2918.99.00 as an 'other' carboxylic acid derivative.
2918.99.004-(4-Chloro-2-methylphenoxy)butyric acid
4-(4-Chloro-2-methylphenoxy)butyric acid is an aromatic carboxylic acid with an ether oxygen function, featuring a chloro-methylphenoxy group linked to a butyric acid chain. As a separate chemically defined organic compound used as a herbicide intermediate, it is classified under tariff item 2918.99.00 as an 'other' carboxylic acid derivative.
2918.99.00Clofibrate
Clofibrate is ethyl 2-(4-chlorophenoxy)-2-methylpropanoate, an ester of a carboxylic acid with an additional oxygen function in the ether linkage. As a separate chemically defined organic compound, it is classified under this tariff item as an 'other' carboxylic acid derivative.
2918.99.00Clofibrate Reference Standard
Clofibrate reference standard is a pure chemical entity used for analytical calibration, not put up for retail sale. It is a separate chemically defined organic compound with an additional oxygen function, classifying under this tariff item as an 'other' carboxylic acid derivative.
2918.99.00Clopyralid (3,6-Dichloro-2-pyridinecarboxylic Acid)
Clopyralid is 3,6-dichloro-2-pyridinecarboxylic acid, a picolinic acid herbicide with a pyridine ring and carboxylic acid function. As a separate chemically defined organic compound with an additional oxygen function, it is classified under tariff item 2918.99.00 as an 'other' carboxylic acid derivative.
2918.99.00Dicamba (3,6-Dichloro-2-methoxybenzoic Acid)
Dicamba is 3,6-dichloro-2-methoxybenzoic acid, a benzoic acid derivative with an additional methoxy oxygen function, used as a broad-spectrum herbicide. As a separate chemically defined organic compound, it is classified under tariff item 2918.99.00 as an 'other' carboxylic acid derivative.
2918.99.00Dimethylamine Salt of 2,4-D (DMA 2,4-D)
Dimethylamine Salt of 2,4-D (DMA 2,4-D) is a common liquid herbicide formulation for turf and agricultural weed control. As a salt of an organic acid with an organic base, it is classified with the parent acid under heading 29.18, per Chapter 29 note 5(C)(2).
2918.99.00Ethyl p-Anisate
Ethyl p-anisate is the ethyl ester of p-anisic acid, an aromatic carboxylic acid ester with an additional methoxy oxygen function. Per Chapter 29 note 5(B), esters of ethyl alcohol with acid-function organic compounds are classified in the same heading as the corresponding acid, thus under this tariff item.
2918.99.00Fluoroxypyr (4-Amino-3,6-dichloro-2-pyridinecarboxylic Acid)
Fluoroxypyr is a systemic auxin herbicide used to control grassy weeds in agricultural crops. It is a separate chemically defined organic compound, specifically an aromatic pyridine carboxylic acid with an amino substituent, which falls under the 'other' carboxylic acids with additional oxygen function of heading 29.18.
2918.99.00MCPP-P (Mecoprop-P) Acid
Mecoprop-P acid is the enriched (R)-enantiomer of 2-(4-chloro-2-methylphenoxy)propionic acid, offering higher herbicidal potency at reduced doses. As a separate chemically defined organic compound with a carboxylic acid and ether oxygen function, it is classified under tariff item 2918.99.00 as an 'other' carboxylic acid derivative.
2918.99.00Mecoprop (2-(2-Methyl-4-chlorophenoxy)propanoic Acid)
Mecoprop is a selective herbicide for broadleaf weed control, featuring a carboxylic acid group with an ether oxygen function and a chlorine substituent on an aromatic ring. As a separate chemically defined organic compound, it is classified under the 'other' carboxylic acids with additional oxygen function in heading 29.18.
2918.99.00Mecoprop Ammonium Salt
Ammonium mecoprop is the ammonium salt of 2-(4-chloro-2-methylphenoxy)propionic acid, a selective herbicide used to control broadleaf weeds in turf. As an inorganic salt of an organic acid with an additional oxygen function, it is classified under tariff item 2918.99.00 as an 'other' carboxylic acid derivative.
2918.99.00Mecoprop Free Acid 98% Technical
Mecoprop free acid at 98% purity is a separate chemically defined organic compound, 2-(4-chloro-2-methylphenoxy)propionic acid, used as an analytical reference standard. It is classified under tariff item 2918.99.00 as an 'other' carboxylic acid with additional oxygen function, with impurities permitted by Chapter 29 Note 1(a).
2918.99.00Mecoprop (MCPP) Technical Grade
Mecoprop technical grade is 2-(4-chloro-2-methylphenoxy)propionic acid, a synthetic auxin herbicide for selective broadleaf weed control in turf. As a separate chemically defined organic compound with a carboxylic acid and ether oxygen function, it is classified under tariff item 2918.99.00 as an 'other' carboxylic acid derivative.
2918.99.00Mecoprop-p (4-(4-Chloro-2-methylphenoxy)butyric acid enantiomer)
This is the herbicidally active enantiomer of 4-(4-chloro-2-methylphenoxy)butyric acid, used in selective weed control formulations. As a separate chemically defined organic compound with a carboxylic acid and ether oxygen function, it is classified under tariff item 2918.99.00 as an 'other' carboxylic acid derivative.
2918.99.00Mecoprop-P Potassium Salt
Potassium mecoprop is the potassium salt of (R)-2-(4-chloro-2-methylphenoxy)propionic acid, providing cold-water solubility for ready-to-use herbicide concentrates. As an inorganic salt of an organic acid with an additional oxygen function, it is classified under tariff item 2918.99.00 as an 'other' carboxylic acid derivative.
2918.99.00Mecoprop Sodium Salt
Mecoprop sodium salt is the sodium salt of 2-(4-chloro-2-methylphenoxy)propionic acid, a water-soluble herbicide active ingredient for lawn care products. As an inorganic salt of an organic acid with an additional oxygen function, it is classified under tariff item 2918.99.00 as an 'other' carboxylic acid derivative.
2918.99.00Methyl 3-Phenoxybenzoate
Methyl 3-phenoxybenzoate is the methyl ester of 3-phenoxybenzoic acid, classified with the parent acid per Chapter 29 ester rules. It is a separate chemically defined organic compound with an additional oxygen function, falling under this tariff item as an 'other' carboxylic acid derivative.
2918.99.00Mixed 1-Hydroxy-6-alkyloxy-2-naphthalene-carboxylic acids (C18/C22)
A 50/50 mixture of C18 and C22 isomers of 1-hydroxy-6-alkyloxy-2-naphthalene-carboxylic acids is a mixture of isomers of the same organic compound, covered by Chapter 29 note 1(b). It is classified under this tariff item as an 'other' carboxylic acid with additional oxygen function.
2918.99.00p-Anisic Acid
p-Anisic acid (4-methoxybenzoic acid) is an aromatic carboxylic acid with an additional methoxy oxygen function on the benzene ring. As a separate chemically defined organic compound, it is classified under this tariff item as an 'other' carboxylic acid with additional oxygen function.
2918.99.00p-Anisic Acid Sodium Salt
Sodium p-anisate is the sodium salt of p-anisic acid, classified with the parent acid per Chapter 29 note 5(C)(1) for inorganic salts of organic compounds. It is a separate chemically defined compound with an additional oxygen function, falling under this tariff item.
2918.99.00p-Anisic Acid USP Grade
Pharmaceutical USP-grade p-anisic acid is a high-purity form of 4-methoxybenzoic acid, a separate chemically defined organic compound with an additional oxygen function. It is classified under this tariff item as an 'other' carboxylic acid with additional oxygen function, regardless of its intended use.
2918.99.00p-Chlorophenoxyacetic acid
p-Chlorophenoxyacetic acid, also known as 4-chlorophenoxyacetic acid, is an aromatic carboxylic acid with an ether oxygen function used as a synthetic auxin in herbicides. As a separate chemically defined organic compound, it is classified under tariff item 2918.99.00 as an 'other' carboxylic acid derivative.
2918.99.00Picloram (4-Amino-3,5,6-trichloro-2-pyridinecarboxylic Acid)
Picloram is a persistent herbicide used to control woody plants and brush, and is a pyridine-based aromatic carboxylic acid with chlorine substitutions. As a separate chemically defined organic compound, it falls under the 'other' carboxylic acids with additional oxygen function of heading 29.18.
2918.99.00Technical grade p-Chlorophenoxyacetic acid 98%
Technical grade p-chlorophenoxyacetic acid at 98% purity is used as a herbicide intermediate, with minor impurities permitted by Chapter 29 Note 1(a). As a separate chemically defined organic compound with a carboxylic acid and ether oxygen function, it is classified under tariff item 2918.99.00 as an 'other' carboxylic acid derivative.