2929.90.50/2,2,4-Trimethyl-1,2-dihydroquinoline/Japan

2,2,4-Trimethyl-1,2-dihydroquinoline from Japan

Quinoline derivative with secondary amine nitrogen function used in rubber antidegradants. 2929.90.50 as other nitrogen-function compound outside specific quinoline headings. Polymer form would be Chapter 39.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Monomer purity critical vs polymer; Aroma compound declaration if odoriferous additives present; Dimer content affects classification