isooctane

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i·so·oc·tane

 (ī′sō-ŏk′tān′)
n.
A flammable liquid hydrocarbon, C8H18, having a highly branched structure and used as a solvent and to determine the octane ratings of fuels.

isooctane

(ˌaɪsəʊˈɒkteɪn)
n
(Chemistry) a colourless liquid alkane hydrocarbon produced from petroleum and used in standardizing petrol. Formula: (CH3)3CCH2CH(CH3)2. See also octane number

i•so•oc•tane

(ˌaɪ soʊˈɒk teɪn)

n.
the octane isomer used as one of the standards in fixing the octane number of a fuel.
[1905–10]
References in periodicals archive ?
Compounds from unknown sources, particularly 2,2,4-trimethylpentane, were the most abundant among loins in this group, which may correspond to their very high intensity of "other" odour.
Density and Viscosity Measurements of 2,2,4-Trimethylpentane (Isooctane) from 198K to 348K and up to 100 MPa," Journal of Chemical Engineering Data, 41(6), pp.
Density, Refractive Index, Viscosity, and Speed of Sound in Binary Mixtures of Cyclohexanone with Hexane, Heptane, Octane, Nonane, Decane, Dodecane, and 2,2,4-Trimethylpentane, Journal of Chemical and Engineering Data, 44, 435-440.
2] Polar (nonaldehyde) Acetic acid, 2-butanone, organic carbon Aromatic Benzene, toluene, ethylbenzene, m-xylene and p-xylene, o-xylene, n-propylbenzene, p-ethyltoluene, m-ethyltoluene, 1,3,5-trimethylbenzene, 1,2,4-trimethylbenzene and sec-butylbenzene Aldehyde Benzaldehyde, heptanal, hexanal, octanal Alkane 2,2,4-Trimethylpentane, 2,2-dimethylbutane, 2,3,4-trimethylpentane, 2,3-dimethylbutane.
The content of conjugated dienes were expressed as absorptivity at 232 nm of 1% oils in 2,2,4-trimethylpentane.
Viscosity, Density, Surface Tension and Refractive Index of Cyclohexane + 2,2,4-Trimethylpentane Binary Liquid Systems from 25[degrees]C to 50[degrees]C," J.
Chemicals and Model Abbreviations 3D Three-dimensional Flory-Huggins model 2,2,4-TMP 2,2,4-Trimethylpentane CTA Cellulose triacetate ENSIC Engaged species induced clustering model EtOH Ethanol ETBE Ethyl tert-butyl ether IPA 2-Propanol MeOH Methanol MTBE Methyl tert-butyl ether PBD Poly(butadiene) PDMS Poly(dimethyl siloxane) PEMA Poly(ethyl metacrylate) PIPA Poly(isopropyl acrylate) PP Atactic poly(propylene) PMMA Poly(methyl metacrylate) PMS Poly([alpha]-methyl styrene) VLE Vapor-liquid equilibrium WLF Williams-Landel-Ferry equation Variables [D.