2,2-Bis(4-hydroxyphenyl)-1,1,1,3,3,3-hexafluoropropane (Bisphenol AF)
A fluorinated bisphenol derivative used primarily as a monomer in high-performance polymers like fluorene-containing polyimides and epoxy resins. This chemically defined organic compound features two phenol groups with halogen (fluorine) substituents, falling under HTS 2908.19.05.00 as a halogenated derivative of phenols.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as a technical-grade mixture with impurities exceeding chapter note tolerances
Mixtures of isomers or impure phenols may shift to Chapter 29 phenolic alcohols if not meeting 'chemically defined' criteria.
If when dissolved in solvents for safe transport beyond note (e) allowances
Solutions exceeding 'normal transport' provisions fall under mixtures of chemicals in Chapter 38.
If containing additional substituents beyond only halogens (e.g., with sulfonate groups)
Derivatives with non-halogen functional groups classify under other subheadings of 2908 per chapter note 4.
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Import Tips & Compliance
• Provide detailed chemical analysis (NMR, MS) confirming structure and fluorine content to verify classification under 2908.19.05.00
• Include Safety Data Sheets (SDS) and purity certificates (>98% typical) as documentation for customs clearance
• Avoid misclassification as polymer intermediates; ensure product is imported as pure compound, not pre-polymerized resin
Related Products under HTS 2908.19.05.00
BPAF Monomer for Epoxy Resins
Specialty monomer 2,2-bis(4-hydroxyphenyl)hexafluoropropane specifically packaged for epoxy resin production in electronics encapsulation. Falls squarely under 2908.19.05.00 as a halogen-only substituted phenol derivative.
Bisphenol AF (99% Purity Technical Grade)
High-purity technical grade 2,2-bis(4-hydroxyphenyl)-1,1,1,3,3,3-hexafluoropropane used in synthesis of fluorinated polycarbonates for optical films. Classified under HTS 2908.19.05.00 as a pure halogenated phenol derivative per Chapter 29 note (a).
Hexafluorobisphenol A (CAS 1477-55-0)
CAS-registered pure compound 2,2-bis(4-hydroxyphenyl)-1,1,1,3,3,3-hexafluoropropane, a monomer for high-Tg fluorene polymers in aerospace composites. Meets Chapter 29 definition as chemically defined halogenated phenol derivative.