Toluene-3,4-dithiol Basic Dye from Canada
Toluene-3,4-dithiol based basic dyes serve analytical chemistry and specialty coloring. Covered by HTS 3204.13.60.00 as synthetic organic basic dye per U.S. note 3.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Analytical reagents need ACS grade certification and lot analysis
• Confirm chemical definition matches note 3 exclusion criteria
• Specialty dyes often low volume; accurate commercial invoices critical