Cyclohexane

C6H12 = 84.2 (110-82-7)

Clear, colourless, flammable liquid, practically insoluble in water, miscible with organic solvents.

, about 0.78; boiling point, about 80.5°

Cyclohexane used in spectrophotometry complies with the following additional test.

Absorbance Maximum 0.35 at 220 nm, 0.16 at 235 nm, 0.05 at 240 nm, 0.01 at 250 nm, determined using water as compensation liquid.