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

Acetonitrile

Acetonitrile Methyl cyanide; CH3CN = 41.05 (75-05-8)

General reagent grade of commerce.

A colourless liquid; bp2012_v5_46_001_[appendix_i_a]_a_revised_texts_ep7-3 d_20_20.png, about 0.78; bp2012_v5_46_001_[appendix_i_a]_a_revised_texts_ep7-3 n_20_d.png, about 1.344. Not less than 95% distils between 80° and 82°.

Acetonitrile used in spectrophotometry complies with the following requirement.

Transmittance Not less than 98% in the range 255 to 420 nm using water in the reference cell, Appendix II B.