Allyltrimethylsilane from Mexico
Allyltrimethylsilane (CH2=CHCH2SiMe3) contains silicon-carbon bonds characteristic of organo-inorganic compounds in 2931.90.90. Peterson olefination reagent; distinguished from hydrocarbons by heteroatom-carbon linkage per chapter notes.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Air-stable but peroxide former; inhibitor content must be documented
• Research chemical volumes qualify for duty-free scientific import (GRI 10)
• Distinguish from 2901 allyl chloride/chloride derivatives