1-Phenyl-3-pyrazolidinone (Phenidone) from China
Phenidone, or 1-phenyl-3-pyrazolidinone, is a cyclic hydrazine derivative with an aromatic phenyl substituent. It falls under HTS 2928.00.25.00 as an aromatic derivative of hydrazine, chemically defined and within Chapter 29 scope excluding only specific forms. Used as a photographic developer and antioxidant.
Duty Rate — China → United States
125%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.04.6093.5%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Include end-use statement if for industrial photography to avoid pharma scrutiny
• Ensure no added solvents beyond transport necessities per Chapter 29 note (e)
• Comply with REACH if transshipping through EU