Perfluoroneopentane from Japan
Perfluoroneopentane (C(CH3)3CF3 fully fluorinated) is a branched saturated fluorinated acyclic hydrocarbon used in liquid cooling. Classified under HTS 2903.49.00.00 as 'other' despite branched structure, as acyclic per Chapter 29 definitions.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide molecular structure diagram confirming acyclic nature (no rings)
• High boiling point requires temperature-controlled shipping declarations
• Lab quantities (<1kg) may qualify for simplified entry procedures