Trimethylolpropane (TMP) from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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