What is 2-2-4-4-tetramethylpentane?

Answer 1

CH3-C(CH3)2-CH3-C(CH3)2-CH3 , 2,2,4,4-tetramethyl pentane

Answer 2

2,2,4,4-tetramethylpentane is a branched-chain hydrocarbon with the chemical formula C9H22. It is commonly used as a reference compound in gas chromatography because of its unique structure and boiling point.