Trimethylolpropane (TMP) Technical Grade from Japan
Trimethylolpropane (TMP), chemically 2-Ethyl-2-(hydroxymethyl)propane-1,3-diol, is a triol used as a building block in polyurethane and alkyd resin production. It falls under HTS 2905.41.00.00 as a separate chemically defined acyclic polyhydric alcohol. This technical grade product is supplied at 97-99% purity for industrial synthesis.
Duty Rate — Japan → United States
13.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Verify purity certificate to confirm classification as chemically defined compound; ensure SDS includes exact chemical name for customs
• Avoid misclassification as mixtures by providing assay data
• Use proper UN packaging for transport as it's a flammable liquid