2927.00.18.00/TDI Diazo Ester Intermediate/Japan

TDI Diazo Ester Intermediate from Japan

1-Naphthalenesulfonic acid, 3-diazo-3,4-dihydro-4-oxo-ar'-(1-methylethyl)[1,1'-biphenyl]-4-yl ester used as synthesis intermediate for advanced photoresists in semiconductor production. Enumerated specifically in HTS 2927.00.18.00 diazo compounds subheading.

Duty Rate — Japan → United States

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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Import Tips

• Semiconductor industry imports require NIST-traceable purity certificates (>99.5% typically)

• ITAR/EAR export controls may apply to downstream semiconductor uses; verify end-use statements

• Avoid bulk mixture classification—separate pure compounds maintain Chapter 29 status

TDI Diazo Ester Intermediate from Japan — Import Duty Rate | HTS 2927.00.18.00