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alkane
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alkane

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The lighter alkanes methane, ethane, propane, and butane, showing the aliphatic chains, where a hydrogen atom bonds to a carbon atom at all available sites.

Member of a group of hydrocarbons having the general formula CnH2n + 2, commonly known as paraffins. As they contain only single covalent bonds, alkanes are said to be saturated. Lighter alkanes, such as methane, ethane, propane, and butane, are colourless gases; heavier ones are liquids or solids. In nature they are found in natural gas and petroleum.

Their principal reactions are combustion and bromination.

CH4 + 2O2 → CO2 + 2H2O

C3H8 + 5O2 → 3CO2 + 4H2O

C2H6 + Br2 →200°C C2H5Br + HBr



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Diesel engines, for example, run most efficiently on alkanes with 9 to 20 carbons per molecule.
Dynamic duo: two catalysts build valuable carbon chains by Cunningham, A. / Science News
Solvents are complex chemical mixtures containing many different hydrocarbon types, such as alkanes, alcohols, ketones, aldehydes, esters, ethers, and small aromatic molecules, that evaporate and become incorporated into environmental air as volatile organic compounds (VOCs).
Occupational toluene exposure induces cytochrome P450 2E1 mRNA ... by Albores, Arnulfo / Environmental Health Perspectives
A proprietary mix of alkanes and alkanols, off-white in color and soft solid at room temperature, the process aid INT-1117EL is said to be suitable for applications such as automotive mechanical rubber goods, footwear, electronic EPDM/plastics and other rubber/plastic combinations, according to the company.
Processing aid boosts EPDM/PP performance by Rubber World
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