2,2,4-Trimethylpentane (Isooctane) from China
Isooctane, or 2,2,4-trimethylpentane, is a highly branched saturated acyclic C8 hydrocarbon used as a gasoline octane booster and reference fuel. Falls under HTS 2901.10.5000 as 'other' saturated acyclic hydrocarbons. Supplied with trace stabilizers for transport safety.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include octane number certification; critical for fuel additive verification during customs exam
• Classify as UN1262, PG II; ensure stainless steel or approved plastic containers for compatibility
• Document as chemically defined compound, not mixture, to prevent reclassification to Chapter 27 or 38