Lactam (Beta-Propiolactam) from Japan
Beta-propiolactam, though strained, functions as an acyclic amide equivalent in reactivity. HTS 2924.19.80.00 accommodates it as an 'other' acyclic amide derivative before potential polymerization.
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
• Highly reactive; inhibitor-stabilized shipping required
• Polymer precursor declaration for end-use verification
• Avoid ring emphasis preventing acyclic classification