Pimaric Acid Crystals from Mexico
Pimaric acid crystals are a levopimaric resin acid from pine rosin, used in specialty adhesives and as a chiral reagent. Isolated via crystallization. HTS 3806.10.00 includes specific resin acids like pimaric as part of rosin acids.
Duty Rate — Mexico → United States
15%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Supply NMR or GC analysis confirming rosin origin and purity to avoid Chapter 29 reclassification
• For lab quantities, note research use exemption but still declare under 3806.10