N-Phenethyl-4-piperidone with Anti-Dusting Agent from Japan
NPP powder treated with silica anti-dusting agent (<0.5%) per Chapter 29 note 2(g) for safe handling and identification. Maintains classification as pure heterocyclic compound HTS 2933.37.00.00. Essential for bulk pharmaceutical intermediate production.
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
• Anti-dusting agent <2% by weight; document doesn't render 'specific use' per note 2(g)
• Dust explosion risk assessment required for bulk powder imports >25kg
• Batch analysis confirming no functional group modification from additive essential