An isooctane is standard firm Haltermann 2901100090
Isooctane (2,2,4-trimethylpentane) is a saturated aliphatic hydrocarbon.
Chemical formula: C (CH3) 3 вЂ” CH2 вЂ” CH (CH3) 2. Octane isomer. Isooctane is a clear, colorless liquid with a white spirit smell; tp ?107.38 В° C, tboil 99.24 В° C, density 0.69192 g / cm? (20 В° C), n20D 1.39145, heat of combustion 5.463 MJ / mol, or 1305.29 kcal / mol (25 В° C, p = const), heat of vaporization 307.63 J / g, or 73.50 cal / g (25 В° C).
Isooctane is insoluble in water, soluble in common organic solvents; forms azeotropic mixtures, for example with benzene, methyl and ethyl alcohols. The anti-knock properties of isooctane are taken as 100 units of the so-called octane number scale.
Isooctane is used (as an additive) in the production of aviation gasolines, which require high anti-knock properties, as well as as a solvent.
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