Phthalide from Germany
Phthalide is a bicyclic aromatic lactone consisting of a benzene ring fused to a five-membered γ-lactone ring, falling under HTS 2932.20.4500 as an aromatic lactone. It serves as an intermediate in pharmaceutical synthesis and dye production.
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
• Submit NMR or mass spectrometry data verifying the fused aromatic lactone structure for proper Chapter 29 classification
• Declare intended use as chemical intermediate only; avoid consumer packaging that suggests retail sale
• Ensure stabilizer additions qualify under Chapter note (f) for preservation without changing classification