1,4-Dioxane from Japan
1,4-Dioxane is a six-membered heterocyclic ring with two oxygen atoms in 1,4 positions, falling under HTS 2932.99.61.00 as an aromatic heterocyclic compound specified in additional U.S. note 3. It serves as an important solvent in pharmaceuticals and chemical manufacturing.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.628.5%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Include Material Safety Data Sheets (MSDS) due to 1,4-dioxane's carcinogenic classification
• Confirm compliance with TSCA inventory listing for chemical import
• Check state-specific VOC regulations for solvent imports