2921.59.80.90/4,4'-Thiodianiline/Mexico

4,4'-Thiodianiline from Mexico

4,4'-Thiodianiline contains sulfur linkage between aromatic amine rings, used in rubber chemicals and polymer synthesis. HTS 2921.59.80.90 applies as it qualifies as aromatic polyamine rather than organo-sulfur compound per Chapter 29 note exclusion. Sulfur maintains thioether functionality.

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

• Elemental analysis confirming amine > sulfur functionality required

• Odor control packaging essential due to volatile sulfur compounds

• Rubber chemical end-use declaration prevents dye intermediate misclassification

4,4'-Thiodianiline from Mexico — Import Duty Rate | HTS 2921.59.80.90