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Octane is a hydrocarbon and an alkane with the chemical formula C8H18, and the condensed structural formula CH3(CH2)6CH3. Octane has many structural isomers that differ by the amount and location of...

Octane | Chemistry World - Royal Society of Chemistry


Apr 1, 2015 ... Start your engines! Simon Cotton looks into one of the few chemical names known well to the public: Octane.

Everyday Chemistry - Why are Octane Ratings important?


Here is a closer look at the chemistry behind octane and how its rating works. ... The engine used in your car is called an 'internal combustion engine'. That is ...

What Does Octane Do In Gasoline? Octane Ratings


Jan 20, 2012 ... That's what ethanol is such a big deal - it's partly used to increase the octane rating of the gas. Ethanol free gasoline has to have other things ...

Octane Rating - Understanding Fuel Octane | Exxon and Mobil


Octane rating is a measure of a fuel's ability to resist 'knock'. The octane requirement of an engine varies with compression ratio, geometrical and mechanical ...

What is octane gas? Why and where do we need it? Why is it called ...


Aug 16, 2015 ... High octane fuel is used in performance cars, its a must in them. liike 95 octane. Low octane is used in normal cars, like 86 octane. If you use ...

What does octane mean? | HowStuffWorks


During World War I, it was discovered that adding a chemical called tetraethyl lead (TEL) to gasoline significantly improved the gasoline's octane rating. See car ...

Selecting the Right Octane Fuel - Fuel Economy


Octane rating is the measure of a fuel's ability to resist "knocking" or "pinging" during combustion, caused by the air/fuel mixture detonating prematurely in the ...

What is Octane number? definition and meaning


Definition of Octane number: Measure of the ignition quality of gas (gasoline or petrol). Higher this number, the less susceptible is the gas to 'knocking' ...

The Truth about Premium Gas | When to Use Higher Octane Gasoline


An advice article from Kelley Blue Book on the truth about premium gas. Details on the best time to use a higher octane gasoline, and what it contains to help ...

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What is octane used for? - Ask.com


Octane is the measure of a gasoline's ability to resist knocking, which occurs from uncontrolled combustion in the engine's cylinders. Octane is vital in preventing ...

octane | CH3[CH2]6CH3 - PubChem


octane | CH3[CH2]6CH3 or CH3-(CH2)6-CH3 or C8H18 | CID 356 - structure, chemical ... octane 3D structure ...... Normal fire fighting procedures may be used.

Paying a Premium for High Octane Gasoline? | Consumer Information


Unless it's recommended by your owner's manual, don't spend the money on high octane gas. In most cases, there's no benefit. Higher octane helps only if you  ...