CheckVegan

Is Isooctane vegan?

Isooctane

Vegan Vegan
Vegetarian Vegetarian

Isooctane (2,2,4-trimethylpentane) is a synthetic branched-chain alkane, an isomer of octane, used as a solvent and reference standard for gasoline octane ratings.

Also known as 2,2,4-Trimethylpentane
INCI name Isooctane
CAS number 540-84-1
EC number 208-759-1
CosIng ID 34670
Last reviewed 9 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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