Octane Research Grade (Petroleum) from Mexico
High-purity n-octane (C8H18) derived from petroleum for use as gasoline octane reference standard. Falls under HTS 2901.10.40.00 as saturated acyclic hydrocarbon from petroleum sources. Essential for fuel testing laboratories.
Duty Rate — Mexico → United States
10%
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
• ASTM D1945 compliance certificate mandatory for research grade designation
• Small package exemption possible for lab quantities <5L
• Purity >99% required; technical grade shifts to different tariff treatment