1,3,3-Trimethyl-2-Methyleneindoline from Germany
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 — Germany → United States
25%
Rate breakdown
9903.04.6215%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
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