Trimethylolpropane (TMP) from Mexico
Trimethylolpropane is a triol used in polyurethane production, lubricants, and radiation-curing resins. HTS 2905.49.10.00 covers this acyclic polyhydric alcohol as it contains three primary hydroxyl groups and qualifies as chemically defined.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include NMR spectrum confirming three -CH2OH groups for classification verification
• Ensure <0.1% water content; aqueous solutions may fall to 3824 per chapter note limitations