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Chemical Formula: C8H18

International name: ISO-OCTANE ASTM

CAS No: 540-84-1

Appearance: colorless, transparent liquid

Packing: drums, 140kg; bottles, 1 liter

Storage: Store in ventilated and dry area at a moderate temperature

Isooctane - limiting aliphatic hydrocarbons, clear, colorless liquid with an odor of gasoline; insoluble in water, soluble in common organic solvents; forms azeotropic mixtures with benzene, for example, methyl and ethyl alcohols. Antiknock properties isooctane taken as 100 units of so-called scale octane numbers.

Isooctane reference together with other isomers of octane contained in small amounts in the straight run gasolines. Industrially prepared isooctane diisobutylene hydrogenation over a catalyst such as copper-chromium, or alkylation of isobutane with isobutylene in the presence of concentrated sulfuric acid, AlCl3, BF3, or other. Catalysts.

Reference isooctane (2,2,4-trimethylpentane) used
• as a reagent, the reference fuel and component reference fuels,
• as a component in intermediate mixtures of reference when determining the octane number of automotive and aviation gasolines and their components
• research and analytical practice,
• for analyzes of oil for the presence of organochlorine compounds and others.

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