2933.99.24.00/4-(N-Ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine Sesquisulfate Monohydrate/Mexico

4-(N-Ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine Sesquisulfate Monohydrate from Mexico

Known as CD-3, this is the primary color developer for modern C-41 color negative processing. The sesquisulfate salt form provides optimal pH stability for high-volume photo labs. As an aromatic heterocyclic photographic chemical, it falls under HTS 2933.99.24.00.

Duty Rate — Mexico → United States

6.5%

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

• Specify exact hydrate and salt stoichiometry; provide pH stability data; comply with sesquisulfate import specifications for consistent classification