4,4'-Dihydroxybiphenyl Crystals from Germany
4,4'-Dihydroxybiphenyl (synonym for 4,4'-Biphenol) in crystalline form is specifically enumerated under HTS 2907.29.15.00 within polyphenols. This chemically defined bis-phenol is essential for epoxy resin hardeners and pharmaceutical intermediates. Fits Chapter 29 scope excluding only listed non-applicable goods.
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
• Provide melting point (165-170°C) and NMR spectrum for identity confirmation; Ensure stabilizer-free unless necessary for transport per note (f); Avoid bulk packaging over 25kg to minimize spill risks during inspection