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

Anisaldehyde
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Anisaldehyde 4-Methoxybenzaldehyde; C8H8O2 = 136.2 (123-11-5)

General reagent grade of commerce.

A colourless to pale yellow, oily liquid; boiling point, about 248°; weight per mL, about 1.125 g.

Anisaldehyde used in gas chromatography complies with the following test.

Assay Examine by gas chromatography, Appendix III B, under the conditions described in the test for Chromatographic profile in the monograph for Anise Oil using the reagent being examined as solution (1).

The area of the principal peak is not less than 99.0% of the total area of the peaks.