2931.90.90.10/Hexamethyldisilazane/Mexico

Hexamethyldisilazane from Mexico

Hexamethyldisilazane ((CH3)3Si)2NH is an organo-silicon compound used as a surface modification agent and silylating agent in microelectronics. It qualifies for HTS 2931.90.90.10 as an organo-inorganic compound containing silicon directly linked to carbon, within Chapter 29's scope.

Duty Rate — Mexico → United States

3.7%

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
Calculate with your customs valueVerify classification with AI

Import Tips

• Submit technical data sheets confirming >98% purity to distinguish from mixtures under Chapter 38

• Verify end-use declaration; electronics imports often need additional FCC/ITAR documentation

Hexamethyldisilazane from Mexico — Import Duty Rate | HTS 2931.90.90.10