Glycerol Pitch from Biodiesel Production from Mexico
Glycerol pitch is the crude residue from biodiesel transesterification, containing salts, fatty acids, and glycerin. Falls under HTS 1522.00.00.00 per chapter notes for glycerol pitch from fatty substance treatment. Used in fertilizers or further refining.
Duty Rate — Mexico → United States
13.8%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Submit biodiesel production flow charts showing residue formation to confirm 1522 classification
• Test for methanol content; residues with high impurities cannot classify as crude glycerin under 1520
• Hazardous material declarations may apply due to salt and organic content