Duty Rate (from China)
Subheadings
Products classified under Tariff item 2935.90
2,4-Dichloro-5-Sulfamoylbenzoic Acid
2,4-Dichloro-5-Sulfamoylbenzoic Acid is a key intermediate in sulfonamide herbicide synthesis and pharmaceutical manufacturing. This compound is classified under tariff item 2935.90.00 as an 'Other' sulphonamide due to its sulfonamide functional group. It is a chemically defined organic compound with chloro and carboxy substitutions.
2935.90.002,5-Dimethoxysulfanilanilide
2,5-Dimethoxysulfanilanilide is a methoxylated sulfonanilide derivative classified under tariff item 2935.90.00 as an 'Other' sulphonamide. It is a chemically defined organic compound with dimethoxy substitutions on the sulfanilanilide structure. This product is used in dye chemistry and as an intermediate in organic synthesis.
2935.90.002-Amino-N-ethylbenzenesulfonanilide
2-Amino-N-ethylbenzenesulfonanilide is a complex sulfonamide derivative classified under tariff item 2935.90.00 as an 'Other' sulphonamide. It features amino, ethyl, and anilino substitutions on the benzenesulfonamide core. This chemically defined compound is used as an intermediate in pharmaceutical and dye synthesis.
2935.90.002-Chloro-4-amino-5-hydroxybenzenesulfonamide
2-Chloro-4-amino-5-hydroxybenzenesulfonamide is a halogenated and hydroxylated sulfonamide classified under tariff item 2935.90.00 as an 'Other' sulphonamide. It features chloro, amino, and hydroxy substitutions on the benzenesulfonamide core. This chemically defined compound is used as an intermediate in pharmaceutical synthesis.
2935.90.004-Amino-6-chloro-m-benzenedisulfonamide
4-Amino-6-chloro-m-benzenedisulfonamide is a chemically defined organic compound containing sulfonamide groups, falling under tariff item 2935.90.00 as an 'Other' sulphonamide. It is primarily used as an intermediate in pharmaceutical synthesis, specifically for producing sulfonamide-based drugs. Its structure includes two sulfonamide functional groups, which are characteristic of this heading.
2935.90.004-Amino-6-chloro-m-benzenedisulfonamide Technical Grade
Technical grade 4-Amino-6-chloro-m-benzenedisulfonamide with 95-98% purity qualifies under tariff item 2935.90.00 as a chemically defined organic compound 'whether or not containing impurities' per Chapter 29 Note 1(a). It is used as an intermediate in pharmaceutical synthesis, and the impurities are incidental to the manufacturing process. The product retains its identity as a sulphonamide compound.
2935.90.005-Amino-α,α,α-trifluorotoluene-2,4-disulfonamide
5-Amino-α,α,α-trifluorotoluene-2,4-disulfonamide is a fluorinated disulfonamide classified under tariff item 2935.90.00 as an 'Other' sulphonamide. It contains a trifluoromethyl group and dual sulfonamide functionalities. This chemically defined compound is used as an intermediate in pharmaceutical and agrochemical synthesis.
2935.90.007-(Hexadecylsulfonylamino)-1H-Indole
7-(Hexadecylsulfonylamino)-1H-Indole is a specialty sulfonamide used in pharmaceutical intermediate synthesis and organic electronics research. It is classified under tariff item 2935.90.00 as an 'Other' sulphonamide. The long alkyl chain provides lipophilic properties, making it useful in specific applications.
2935.90.00Acetylsulfaguanidine EP Grade Pharmaceutical
Acetylsulfaguanidine EP Grade Pharmaceutical serves as an intermediate for sulfonamide synthesis and direct veterinary therapeutic use. It is a chemically defined anti-infective agent of European Pharmacopoeia grade. As a separate chemically defined organic compound with a sulfonamide group, it is classified under tariff item 2935.90.00.
2935.90.00Acetylsulfaguanidine USP Grade
Acetylsulfaguanidine USP Grade is a synthetic sulfonamide antibiotic used primarily in veterinary medicine for treating bacterial infections in livestock. This USP-grade product is a separate chemically defined organic compound with a sulfonamide group. It is classified under tariff item 2935.90.00.
2935.90.00Asulam (Methyl-4-aminobenzenesulfonylcarbamate)
Asulam (Methyl-4-aminobenzenesulfonylcarbamate) is a sulfonamide herbicide classified under tariff item 2935.90.00 as an 'Other' sulphonamide. It is a chemically defined organic compound with a sulfonamide group, used for broadleaf weed control in cereals and turf. The product functions by inhibiting plant growth through specific enzyme pathways.
2935.90.00Asulam Sodium Salt
Asulam sodium salt is the sodium salt form of Methyl-4-aminobenzenesulfonylcarbamate, classified under tariff item 2935.90.00 per Chapter 29 Note 5(C)(1). Inorganic salts of organic compounds are classified in the same heading as the organic compound. This salt is used in herbicide formulations for improved water solubility.
2935.90.00Asulam Stabilized with Anticaking Agent
Asulam powder stabilized with silica anticaking agent (<1%) falls under tariff item 2935.90.00 per Chapter 29 Note 1(f), which allows stabilizers necessary for preservation or transport. The product is a chemically defined sulphonamide compound with a minor additive to prevent clumping. It is used in herbicide manufacturing processes.
2935.90.00Benzenesulfonamide
Benzenesulfonamide is a chemically defined organic compound featuring a sulfonamide functional group directly attached to a benzene ring. It falls under tariff item 2935.90.00 as an 'Other' sulphonamide. This compound is used as an intermediate in the synthesis of dyes, pharmaceuticals, and other organic chemicals.
2935.90.00Benzenesulfonyl Hydrazide
Benzenesulfonyl hydrazide is a sulfonamide derivative classified under tariff item 2935.90.00 as an 'Other' sulphonamide. It consists of a benzene ring linked to a sulfonyl hydrazide group. This chemically defined compound is used as an intermediate in organic synthesis and pharmaceutical manufacturing.
2935.90.00C.I. Base Red GL
C.I. Base Red GL is a sulfonamide fast color base used to produce crimson shades through coupling with 2-naphthol-6-sulfonic acid in pigment printing. It is a chemically defined organic compound with a sulfonamide group, falling under sulphonamides of heading 29.35. The sulfonamide structure ensures rapid diazotization.
2935.90.00C.I. Fast Blue Base RR
C.I. Fast Blue Base RR is a sulfonamide fast color base used to produce brilliant blue shades in azo dyeing processes for cellulosic fibers. It diazotizes readily and couples efficiently with beta-naphthol for wash-fast colors. As a chemically defined sulfonamide, it falls under sulphonamides of heading 29.35.
2935.90.00C.I. Fast Navy Base 2B
C.I. Fast Navy Base 2B produces deep navy shades via coupling with naphthol AS-BS. The sulfonamide structure provides excellent coupling efficiency. As a chemically defined organic compound with a sulfonamide group, it falls under sulphonamides of heading 29.35.
2935.90.00C.I. Fast Orange Base 2G
C.I. Fast Orange Base 2G is a sulfonamide-derived diazo component used to produce brilliant orange shades on textiles through naphthol coupling. It offers excellent light fastness and is applied in both dyeing and printing processes. As a separate chemically defined organic compound containing a sulfonamide group, it falls under tariff item 2935.90.00.
2935.90.00C.I. Fast Red Base B
C.I. Fast Red Base B is a sulfonamide-derived diazo component used in the production of azo dyes for textile coloration. It functions as a fast colour base that couples with naphthol salts to produce vibrant, lightfast red shades. As a separate chemically defined organic compound with a sulfonamide group, it is classified under tariff item 2935.90.00.
2935.90.00C.I. Fast Scarlet Base R
C.I. Fast Scarlet Base R is a p-aminoacetanilide sulfonamide derivative used as a fast colour base for brilliant scarlet dyeings on cotton via naphthol coupling. It offers excellent light and chlorine fastness in ice colours. As a separate chemically defined organic compound containing a sulfonamide group, it is classified under tariff item 2935.90.00.
2935.90.00Fast Black E Base
Fast Black E Base yields neutral black shades when coupled with naphthol AS-ITR coupling agents. It is critical for black pigment printing applications and is a sulfonamide derivative. As a separate chemically defined organic compound with a sulfonamide group, it falls under tariff item 2935.90.00.
2935.90.00Fast Bordeaux GP Base
Fast Bordeaux GP Base is an ortho-sulfonamide derivative that couples to give bordeaux shades with superior fastness properties. It is used extensively in leather dyeing. As a separate chemically defined organic compound containing a sulfonamide group, it is classified under tariff item 2935.90.00.
2935.90.00Fast Garnet GBC Base
Fast Garnet GBC Base is an arylsulfonamide diazo component producing scarlet shades when coupled with naphthols in ice dyeing. It is widely used for medium-fast pigment colours on cotton and rayon. As a separate chemically defined organic compound with a sulfonamide group, it falls under tariff item 2935.90.00.
2935.90.00Fast Yellow GC Base
Fast Yellow GC Base is a meta-sulfonamide diazo component yielding bright yellow shades with naphthol AS coupling agents. It is used in printing pastes for discharge styles. As a separate chemically defined organic compound containing a sulfonamide group, it is classified under tariff item 2935.90.00.
2935.90.00Fomesafen Sodium Salt
Fomesafen Sodium Salt is the water-soluble form of the fomesafen herbicide active ingredient, used in liquid herbicide formulations. As a salt of the named sulfonamide compound, it qualifies under tariff item 2935.90.00 per Chapter 29 Note 5(C)(1). This product is a chemically defined organic compound with a sulfonamide group.
2935.90.00Fomesafen Technical Grade
Fomesafen Technical Grade is a selective contact herbicide used for post-emergence control of broadleaf weeds in soybean and snap bean crops. It is a chemically defined organic compound containing a sulfonamide group, which classifies it under sulphonamides of heading 29.35. The technical grade form is suitable for formulation into commercial herbicide products.
2935.90.00Halosulfuron Methyl Reference Standard
Halosulfuron Methyl Reference Standard is a high-purity analytical standard (≥99.5%) used for method validation, residue analysis, and quality control in pesticide manufacturing. As a chemically defined sulfonylurea herbicide containing a sulfonamide group, it is classified under sulphonamides of heading 29.35. The reference standard form does not alter its chemical classification.
2935.90.00Halosulfuron Methyl Technical
Halosulfuron Methyl Technical is a sulfonylurea herbicide used for sedge and broadleaf weed control in rice, sugarcane, and other crops. It is a chemically defined organic compound with a sulfonamide functional group, falling under sulphonamides of heading 29.35. The technical grade is intended for formulation into commercial herbicide products.
2935.90.00Metanilamide
Metanilamide (3-aminobenzenesulfonamide) is a specific sulfonamide isomer classified under tariff item 2935.90.00 as an 'Other' sulphonamide. This chemically defined compound features meta-positioned amino and sulfonamide groups on the benzene ring. It is used as an intermediate in the synthesis of pharmaceuticals and dyes.
2935.90.00N-(2,6-Dichloro-3-methylphenyl)-5-amino-1,3,4-triazole-2-sulfonamide
N-(2,6-Dichloro-3-methylphenyl)-5-amino-1,3,4-triazole-2-sulfonamide is a complex triazole-sulfonamide herbicide development intermediate. It is used in the synthesis of experimental sulfonylurea herbicides with enhanced crop selectivity. As a chemically defined organic compound containing a sulfonamide group, it falls under sulphonamides of heading 29.35.
2935.90.00N-Ethyl-o-Toluenesulfonamide Pure
N-Ethyl-o-Toluenesulfonamide Pure is a pure isomer sulfonamide intermediate used in the synthesis of optical brighteners, dyes, and pharmaceutical intermediates. It is a chemically defined organic compound with a sulfonamide group, classified under sulphonamides of heading 29.35. The pure form ensures consistent reactivity in downstream applications.
2935.90.00Ortho- and Para-Toluenesulfonamide Mixture
Ortho- and Para-Toluenesulfonamide Mixture is a blend of ortho- and para-toluenesulfonamides used as chemical intermediates in dye manufacturing, pharmaceuticals, and polymer production. The mixture contains two isomers of the same organic compound, which is covered by Chapter 29 Note 1(b). It falls under sulphonamides of heading 29.35.
2935.90.00Ortho-Toluenesulfonamide Technical Grade
Ortho-Toluenesulfonamide Technical Grade is used as a curing agent in polyurethane and epoxy resin systems, and as an intermediate for saccharin production. It is a chemically defined organic compound with a sulfonamide group, falling under sulphonamides of heading 29.35. The technical grade is suitable for industrial applications.
2935.90.00o-Toluenesulfonamide Flake Form 99.5%
o-Toluenesulfonamide Flake Form 99.5% is a high-purity sulfonamide in flake physical form for easier dissolution in coating formulations. The physical form does not change its chemical identity as a sulfonamide under Chapter 29. It is classified under sulphonamides of heading 29.35.
2935.90.00o-Toluenesulfonamide (OTS)
o-Toluenesulfonamide (OTS) is a chemically defined organic sulfonamide compound with the formula C7H9NO2S, featuring a sulfonamide group (-SO2NH2) attached to an o-tolyl ring. It is used in various industrial applications, including plasticizers and intermediates. It falls under sulphonamides of heading 29.35.
2935.90.00o-Toluenesulfonamide with Stabilizer Additive
o-Toluenesulfonamide with Stabilizer Additive contains less than 0.5% anticaking stabilizer for safe bulk handling in resin manufacturing. Chapter 29 Note 1(f) allows added stabilizers necessary for preservation or transport. It remains classified under sulphonamides of heading 29.35.
2935.90.00Pharmaceutical Grade Acetylsulfaguanidine API
Pharmaceutical Grade Acetylsulfaguanidine API is an active pharmaceutical ingredient used in compounding veterinary prescriptions for bacterial infections. It is a chemically pure sulfonamide anti-infective agent. As a separate chemically defined organic compound with a sulfonamide group, it falls under tariff item 2935.90.00.
2935.90.00Pharmaceutical Grade o-Toluenesulfonamide USP
Pharmaceutical Grade o-Toluenesulfonamide USP is an ultra-pure sulfonamide meeting USP standards for pharmaceutical intermediate synthesis, particularly in sulfonamide antibiotic production. It is a chemically defined organic compound with a sulfonamide group, falling under sulphonamides of heading 29.35. The pharmaceutical grade ensures high purity for sensitive applications.
2935.90.00Technical Grade o-Toluenesulfonamide 98%
Technical Grade o-Toluenesulfonamide 98% is a technical grade sulfonamide at 98% purity, containing minor isomers as impurities. It is used in industrial plasticizer production for PVC flooring. As a separate chemically defined compound with impurities, it falls under sulphonamides of heading 29.35.