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

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

Clear, colourless liquid, very slightly soluble in water, miscible with ethanol (96%).

bp2013_v5_47_1003_[appendix_i_a]_d_ep7-7_ep_revised_texts d_20_20.png, 0.723 to 0.728; boiling point, 67° to 69°.

Do not distil if the di-isopropyl ether does not comply 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 substance to be examined, shake vigorously and allow to stand protected from light for 30 minutes. No colour is produced.

The name and concentration of any added stabiliser are stated on the label.

Store protected from light.