Phthalimide from Japan
Phthalimide is a cyclic imide derived from phthalic anhydride, featuring a five-membered imide ring fused to a benzene ring. It falls under HTS 2925.19.91.00 as a carboxyimide-function compound (imide) and its derivative, not specifically named elsewhere in heading 2925. Commonly used as an intermediate in organic synthesis for pharmaceuticals and agrochemicals.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Provide Certificate of Analysis (CoA) confirming chemical identity and purity >98% to avoid misclassification as technical grade
• Ensure proper UN packaging group II labeling for irritant properties; common pitfall is insufficient hazard documentation
• Declare exact CAS number (85-41-6) on commercial invoice to facilitate CBP review