2,2,4-Trimethylpentane (Isooctane)

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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2710.19.11Lower: 25% vs 35%

If for aviation gasoline blending

Aviation gasoline mixtures are classified under petroleum spirits in Chapter 27.

3824.99Lower: 15% vs 35%

If contains performance additives beyond stabilizers

Chemical preparations with specific additives exceed Chapter 29's chemically defined scope.

2901.10Same rate: 35%

If for lower C4 hydrocarbons misdeclared

Butane-specific subheading has lower numerical order precedence if applicable.

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Import Tips & Compliance

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