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

Di-isopropyl Ether
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Di-isopropyl Ether Isopropyl ether; C6H14O  =  102.2 (108-20-3)

General reagent grade of commerce.

A colourless liquid; boiling point, 67° to 69°; bp2010_v4_02_03_appendix_i_1a_d d_20_20.png, 0.723 to 0.728.

Do not distil unless the di-isopropyl ether complies with the test for peroxides.

Peroxides Place 8  ml of potassium iodide and starch solution in a 12-ml ground-glass-stoppered cylinder about 1.5  cm in diameter. Fill completely with the reagent being examined, shake vigorously and allow to stand protected from light for 30 minutes. No colour is produced.

Store protected from light. The name and concentration of any added stabiliser are stated on the label.