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1,5-Naphthalene Diisocyanate from Japan

1,5-Naphthalene diisocyanate (CAS 3173-72-6) is a polycyclic aromatic diisocyanate used in high-performance polyurethane elastomers and coatings requiring thermal stability. It is specifically named in HTS 2929.10.2700 as a diisocyanate compound with other nitrogen function, fitting Chapter 29's organic compound definitions.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

Import Tips

1

Diisocyanates require specific DOT Hazard Class 6.1 labeling; 2

Include end-use statement if for R&D vs commercial production; 3

Stabilizer additions must not change classification per Chapter note (f)

1,5-Naphthalene Diisocyanate from Japan — Import Duty Rate | HTS 2929.10.27.00