4,4'-Biphenol Technical Grade Powder from Germany
Technical grade 4,4'-Biphenol powder (98-99% purity) is classified under HTS 2907.29.15.00 as the named polyphenol, a chemically defined compound per Chapter 29. Used in antioxidant formulations and liquid crystal production. Minor impurities do not alter its classification as a separate organic compound.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit impurity profile to confirm <2% non-phenol content per Chapter 29 note (a); Label as '4,4''-Biphenol' exactly matching tariff description; Obtain REACH/ TSCA pre-registration for US import compliance