2-Hydroxy-3-dibenzofurancarboxylic acid from Japan
This is a specific aromatic heterocyclic compound with oxygen hetero-atoms only, featuring a dibenzofuran core with a hydroxy group at position 2 and a carboxylic acid at position 3. It falls under HTS 2932.99.35.00 as it precisely matches the legal description for this subheading within Chapter 29 for separate chemically defined organic compounds. Used primarily as a pharmaceutical intermediate and in organic synthesis.
Duty Rate — Japan → United States
Rate breakdown
Import Tips
• Provide detailed chemical analysis (NMR, IR, MS) confirming structure matches 2932.99.35.00 exactly; mismatches lead to reclassification
• Include Certificate of Analysis (CoA) and Safety Data Sheet (SDS) verifying purity >98% and absence of isomers
• Ensure packaging complies with UN/DOT hazardous material regs for carboxylic acids (Corrosive Class 8)