Sea-Nine 211N DCOIT Marine Antifouling Biocide from Japan
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.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Confirm TSCA pre-manufacture notice compliance for DCOIT; Include end-use statement for marine antifouling to avoid misclassification; Check state-specific VOC regulations for paint additives