Fluorenone from Canada
Fluorenone is a tricyclic aromatic ketone used in dyes and pharmaceuticals, with carbonyl in fused ring system. Fits HTS 2914.39.90.00 as 'other' aromatic ketone without other oxygen functions, qualifying as chemically defined organic compound.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide molecular structure diagram confirming no heteroatoms beyond C/H/O
• Sublimation purification common; declare residual solvents <0.1%
• Bioaccumulation data required for TSCA; pitfall is missing PBT assessment