Kathon CG Isothiazolinone Biocide Solution

A water-based preservative formulation containing 5-chloro-2-methyl-4-isothiazolin-3-one (CMIT) and 2-methyl-4-isothiazolin-3-one (MIT) at a 3:1 ratio, used in personal care products like shampoos and lotions. It falls under HTS 3808.99.3000 as a formulated biocide specifically based on these isothiazolinone mixtures, put up for retail or preparation use to prevent microbial growth.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

3808.91Lower: 15% vs 35%

If contains insecticides like pyrethroids rather than isothiazolinones

Insecticides in preparations fall under different subheadings based on specific active ingredients listed in legal notes

3824.99Lower: 15% vs 35%

If sold in bulk industrial quantities over 1kg without retail packaging

Bulk chemical preparations not put up for retail sale move to Chapter 38 other chemical preparations

3307.90.00.00Higher: 40.4% vs 35%

If pre-mixed into final cosmetic product like shampoo

When incorporated as ingredient in finished personal care product, classified by the final product rather than biocide component

Not sure which classification is right?

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

Import Tips & Compliance

Ensure EPA registration number is listed on labeling as these are pesticidal products; Provide Safety Data Sheets (SDS) showing active ingredient concentrations; Verify 'retail packing' if under 1kg for consumer use to avoid bulk chemical classification

Related Products under HTS 3808.99.30.00

Sea-Nine 211N DCOIT Marine Antifouling Biocide

A concentrated formulation of 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one (DCOIT) used in marine paints to prevent barnacle and algae growth on ship hulls. Classified under HTS 3808.99.3000 due to its specific isothiazolinone active ingredient in a formulated biocide preparation for controlled application.

Metaldehyde Snail and Slug Bait Pellets

Retail-packaged pelleted molluscicide containing metaldehyde as active ingredient for garden pest control against snails and slugs. Falls under HTS 3808.99.3000 as it's specifically named in the tariff description for formulated biocides put up in retail packings.

OIT Industrial Water Treatment Biocide

Liquid concentrate of 2-n-octyl-4-isothiazolin-3-one (OIT) for cooling tower and paper mill microbial control. HTS 3808.99.3000 classification due to specific isothiazolinone active and formulation for industrial disinfection applications.

CMIT/MIT/MIT Tri-Active Preservative Blend

Broad-spectrum antimicrobial blend combining CMIT, MIT, and additional 2-methyl-4-isothiazolin-3-one for paint and adhesive preservation. Specifically covered under HTS 3808.99.3000 for isothiazolinone-based formulated biocides.

DCOIT Wood Preservative Concentrate

4,5-dichloro-2-n-octyl-isothiazolin-3-one formulation for pressure-treated lumber fungal protection. HTS 3808.99.3000 due to specific DCOIT active ingredient in retail or preparation packing.

Proxel XL2 MIT/CMIT Preservative

Low-odor isothiazolinone blend (mixture of 5-chloro-2-methyl-4-isothiazolinone and 2-methyl-4-isothiazolinone) for water-based coatings preservation. Classified HTS 3808.99.3000 for specifically named isothiazolinone biocide formulations.