4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one from Germany
A specific chlorinated isothiazolinone compound containing an unfused thiazole ring, used primarily as a broad-spectrum biocide in industrial applications. This chemically defined heterocyclic compound falls under HTS 2934.10.70.00 due to its explicit listing and thiazole ring structure as per Chapter 29 notes.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide detailed chemical analysis certificates confirming identity and purity to match the exact listed compound
• Ensure SDS and handling documentation for hazardous biocide classification during customs clearance
• Verify no added solvents beyond transport allowances per Chapter 29 note (e) to avoid reclassification