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Isobutane is the principal feedstock in alkylation units of refineries. Using isobutane, gasoline-grade "blendstocks" are generated with high branching for good combustion characteristics. Typical products created with isobutane are 2,4-dimethylpentane and especially 2,2,4-trimethylpentane. [7] Typical acid-catalyzed route to 2,4-dimethylpentane.
Butane (/ ˈ b juː t eɪ n /) is an alkane with the formula C 4 H 10. Butane exists as two isomers, n -butane with connectivity CH 3 CH 2 CH 2 CH 3 and iso-butane with the formula (CH 3 ) 3 CH . Both isomers are highly flammable, colorless, easily liquefied gases that quickly vaporize at room temperature and pressure.
Phase behavior Triple point: 113.55K (–159.8 °C), 0.019483 Pa Critical point: 408.7 K (134.4 °C), 3655 kPa Std enthalpy change of fusion, Δ fus H o: 4.59 kJ/mol
In organic chemistry, butyl is a four-carbon alkyl radical or substituent group with general chemical formula −C 4 H 9, derived from either of the two isomers (n-butane and isobutane) of butane. The isomer n-butane can connect in two ways, giving rise to two "-butyl" groups: If it connects at one of the two terminal carbon atoms, it is normal ...
Several types of valve connections for propane, butane, and LPG containers exist for transport and storage, sometimes with overlapping usage and applications, and there are major differences in usage between different countries. Even within a single country more than one type can be in use for a specific application.
Butane, or n-butane; Isobutane, also known as methylpropane or 2-methylpropane This page was last edited on 22 December 2022, at 18:58 ...
Heavier gaseous hydrocarbons: propane (C 3 H 8), normal butane (n-C 4 H 10), isobutane (i-C 4 H 10) and pentanes. All of these are collectively referred to as Natural Gas Liquids or NGL and can be processed into finished by-products. Liquid hydrocarbons (also referred to as casinghead gasoline or natural gasoline) and/or crude oil.
n-Butane: Table data obtained from CRC Handbook of Chemistry and Physics 44th ed. Vapor pressure of n-butane. From formula: ...