Halosulfuron Methyl Technical

Halosulfuron methyl (Methyl 5-{[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonylaminosulfonyl}-3-chloro-1-methyl-1H-pyrazole-4-carboxylate) is a sulfonylurea herbicide used for sedge and broadleaf weed control in rice, sugarcane, and turf. This specific sulfonamide is explicitly listed under HTS 2935.90.13.00. Imported as technical material for manufacturing commercial formulations like Permit or Sedgehammer.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFreeFree
🇲🇽MexicoFreeFree
🇨🇦CanadaFreeFree
🇩🇪GermanyFreeFree
🇯🇵JapanFreeFree

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2935.90.75.00Higher: 6.5% vs Free

If other sulfonylureas not specifically named

Only specifically named sulfonamides in 2935.90.13.00; other sulfonylurea herbicides classify under residual sulfonamide provisions.

3808.93Higher: 15% vs Free

If pre-formulated herbicide products

End-use herbicide formulations containing halosulfuron methyl are classified as pesticide products in Chapter 38.

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Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Requires EPA import authorization; provide technical data package including mammalian toxicity and environmental fate studies

Ensure proper storage conditions during transport to maintain chemical stability (avoid temperatures >40°C)

Verify importer has Section 18 emergency exemption if needed for specific crop uses

Related Products under HTS 2935.90.13.00

Ortho- and Para-Toluenesulfonamide Mixture

Mixture of ortho- and para-toluenesulfonamides (N-Ethyl-o-toluenesulfonamide and N-Ethyl-p-toluenesulfonamide) used as chemical intermediates in dye manufacturing, pharmaceuticals, and polymer production. This specific sulfonamide mixture is explicitly covered under HTS 2935.90.13.00. Typically imported in 25kg drums for industrial chemical processing.

2,4-Dichloro-5-Sulfamoylbenzoic Acid

2,4-Dichloro-5-sulfamoylbenzoic acid serves as a key intermediate in sulfonamide herbicide synthesis and pharmaceutical manufacturing. This compound is explicitly listed under HTS 2935.90.13.00 due to its sulfonamide functional group. Typically imported as technical grade powder for downstream chemical processing.

Fomesafen 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 HTS 2935.90.13.00 per Chapter 29 salt classification rules. Imported for suspension concentrate and soluble liquid herbicide manufacturing.

Ortho-Toluenesulfonamide Technical Grade

Technical grade ortho-toluenesulfonamide used as a curing agent in polyurethane and epoxy resin systems, and as intermediate for saccharin production. Covered under the toluenesulfonamide mixtures provision of HTS 2935.90.13.00. Supplied at 97-99% purity for industrial applications.

Halosulfuron Methyl Reference Standard

High-purity halosulfuron methyl reference standard (≥99.5%) used for analytical method validation, residue analysis, and quality control in pesticide manufacturing. Qualifies under HTS 2935.90.13.00 as the specifically named sulfonamide compound. Packaged in 100mg-1g amber glass vials.

7-(Hexadecylsulfonylamino)-1H-Indole

7-(Hexadecylsulfonylamino)-1H-indole is a specialty sulfonamide used in pharmaceutical intermediate synthesis and organic electronics research. Specifically enumerated in HTS 2935.90.13.00. Long alkyl chain provides lipophilic properties for membrane transport applications.