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What does the 'n' stand for in n-Butyllithium?

Iota
in Chemistry

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I didn't want to make a thread just for this simple question, but...

 

does n signify an integer, and if so ,what for?

 

Thanks in advance.

It tells you information about which butyl isomer you have and where the Li+ ion is bound to; the n in n-BuLi specifically refers to the unbranched structure of butane, with the Li+ ion being coordinated to the first carbon. You may also have tert-BuLi, which is a stronger base than n-BuLi and uses a tert-butyl group, or sec-BuLi, though I have never seen sec-BuLi used in anything.

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Awesome, sorted. Thanks valent.

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So primary is considered 'normal'?

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