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

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

General reagent grade of commerce.

A colourless liquid; bp2010_v4_02_02_appendix_i_1a_a d_20_20.png, about 0.78; bp2010_v4_02_02_appendix_i_1a_a 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.