Biphenyl Flakes (Diphenyl)
Pure biphenyl, also known as diphenyl, supplied in flake form as a white crystalline solid. This cyclic hydrocarbon falls under HTS 2902.90.60.00 due to its chemical structure consisting of two linked phenyl rings and specific presentation in flakes, distinguishing it from other cyclic hydrocarbons.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not specifically in flake form
Biphenyl in powder, crystals, or other physical forms falls under the general 'other' cyclic hydrocarbons subheading rather than the specific flake provision.
If containing >50% by weight of biphenyl with added stabilizers
Mixtures of biphenyl with stabilizers for preservation may classify under petroleum oils and similar mixtures if exceeding purity thresholds for pure compounds in Chapter 29.
If imported as a formulated mixture for specific industrial use
Biphenyl diluted or mixed with solvents/additives for particular applications (not just safety/transport) shifts to chemical preparations in Chapter 38.
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Import Tips & Compliance
• Verify flake purity and form via lab analysis to confirm classification; provide Material Safety Data Sheets (MSDS) for hazardous material handling
• Avoid misdeclaration as powder form which may shift to other subheadings
Related Products under HTS 2902.90.60.00
Technical Grade Biphenyl Flakes
Technical-grade biphenyl flakes with minor impurities, used primarily as a chemical intermediate in dye and pesticide production. Classified under HTS 2902.90.60.00 as it meets the chapter note for separate chemically defined organic compounds in flake form.
Purified Diphenyl Flakes for Heat Transfer
High-purity biphenyl flakes used in heat transfer fluids and as a moth repellent intermediate. This product is specifically covered by HTS 2902.90.60.00 as biphenyl in its flake presentation, a separate chemically defined cyclic hydrocarbon.
Industrial Biphenyl Flakes 99% Purity
99% pure biphenyl flakes for industrial applications like optical brightener synthesis. Falls under HTS 2902.90.60.00 as a chemically defined cyclic hydrocarbon explicitly listed in flake form, per chapter provisions.
Flaked Diphenyl for Dye Manufacturing
Biphenyl in flake form specifically for azo dye production intermediates. Classified in HTS 2902.90.60.00 as it is a separate chemically defined organic compound meeting the precise description, ahead of later chapter headings per classification note.