2930.90.26.00/4,4'-Thiodiphenol cyanate/Mexico

4,4'-Thiodiphenol cyanate from Mexico

Also known as 4,4'-thiodiphenol cyanate, this compound features a thioether linkage between two phenolic rings with cyanate groups, used in polymer synthesis and flame retardants. Named specifically in HTS 2930.90.26.00 as aromatic organo-sulfur compound per chapter 29 organo-sulfur definitions. The S-C aromatic bonds define its classification.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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Import Tips

• Cyanate hazard declarations mandatory (UN2922); include flash point data

• Verify no isocyanate impurities that could shift to 2929

• Polymer manufacturers need specific CoA for molecular weight confirmation

4,4'-Thiodiphenol cyanate from Mexico — Import Duty Rate | HTS 2930.90.26.00