Nonafluorobutane from China
Nonafluorobutane (C4F9H) represents hydrofluorobutanes used in precision cleaning and carrier fluids. This saturated fluorinated acyclic hydrocarbon fits HTS 2903.49.00.00 as an 'other' derivative, distinct from fully perfluorinated or short-chain specifics.
Duty Rate — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Specify isomer (n- or iso-) on invoice as classification unchanged but stats differ
• For azeotrope mixtures, ensure declaration as single compound solution per Chapter note (e)
• Comply with TSCA import certification for new chemical substances