Refractive index database

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Optical constants of C6H12 (Cyclohexane)
Kozma et al. 2005: n 0.230–0.641 µm

Wavelength: µm

Complex refractive index (n+ik)[ i ]

n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]



22 °C


I. Z. Kozma, P. Krok, and E. Riedle. Direct measurement of the group-velocity mismatch and derivation of the refractive-index dispersion for a variety of solvents in the ultraviolet, J. Opt. Soc. Am. B 22, 1479-1485 (2005)


[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]


Cyclohexane, C6H12

Cyclohexane (C6H12) is a cycloalkane and a colorless liquid with a characteristic musty odor. It is used as a nonpolar solvent in the chemical industry and is also a raw material for the industrial production of adipic acid and caprolactam, both of which are intermediates used in the production of nylon. Cyclohexane is notable for its conformational flexibility, and the molecule adopts a chair conformation, which minimizes the steric interactions between the hydrogen atoms. Given its nonpolarity, cyclohexane doesn't dissolve in polar solvents like water but mixes well with other nonpolar compounds.

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