• British Pharmacopoeia Volume V
  • Appendices
  • Appendix I A. General Reagents

Cyclohexane

Cyclohexane C6H12 = 84.16 (110-82-7)

Analytical reagent grade of commerce.

A colourless liquid; boiling point, about 81°; bp2012_v5_46_003_[appendix_i_a]_c d_20_20.png, about 0.78.

Cyclohexane used in spectrophotometry complies with the followingtest.

Transmittance Not less than 45% at 220 nm, 70% at 235 nm, 90% at 240 nm and 98% at 250 nm, using water in the reference cell.