Benzene-1,2,3-tricarboxylic Acid (Hemicellic Acid) from Germany
Hemicellic acid is a tri-carboxylic aromatic acid used in resin synthesis and as a pharmaceutical intermediate. It falls under HTS 2917.39.70.00 as an aromatic polycarboxylic acid not otherwise specified. The 1,2,3-substitution pattern gives unique reactivity.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• NMR/GC-MS analysis required to confirm isomer position distinguishing from trimellitic
• Pharma intermediate shipments need DMF filing status documentation
• Avoid Chapter 29 heading 2924 if primary amine function predominates structure