Methylene Blue Barium Lake from Canada
Methylene Blue Barium Lake is a pharmaceutical-grade blue lake pigment where methylene blue dye is precipitated on barium sulfate, classified in HTS 3205.00.50.40. It's essential for tablet coatings and medical inks.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Require USP/NF certification for pharma lakes to expedite FDA clearance and HTS verification
• Watch for barium content regulations under TSCA; declare heavy metals to prevent EPA holds