2933.99.08.00/1,3,3-Trimethyl-2-Methyleneindoline/Japan

1,3,3-Trimethyl-2-Methyleneindoline from Japan

1,3,3-Trimethyl-2-methyleneindoline is an indoline derivative explicitly listed under HTS 2933.99.08.00 as an aromatic heterocyclic compound with nitrogen hetero-atoms. It serves as a key intermediate in the production of photochromic dyes and optical brighteners. The compound's methylene group enables specific reactivity in dye synthesis.

Duty Rate — Japan → United States

0%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Provide NMR or HPLC analysis confirming structure matches exact HTS specification

• Register under TSCA if new to US inventory; include PMN status if applicable

• Watch for reclassification as indoline base (2933.99.97) if purity questioned