This section is from the book "Laboratory Manual Of Pharmacology", by A. D. Bush. Also available from Amazon: Laboratory manual of pharmacology.
Iodine is a non-metallic element, formerly derived largely from kelp, but now obtained chiefly from Chilean saltpetre. It should be kept in glass-stoppered bottles in a cool place.
Properties:
Appearance................................................... | Solubility: | |
Color ........................................... | H2O......................................................... | Discoloration of skin ................ |
Odor ............................................. | H20 + KI ......................................... | Apply NH4OH ............................. |
Taste ................................................................. | C2H5OH............................................... |
What is the characteristic test for Iodine?..................................................................................................................
Iodine, in the form of the tincture, is used in medicine as a counterirritant, and in surgery as a surface disinfectant.
Official preparations made from Iodine are: the Compound Liquor, the Tincture, and the Unguent.
Derived from Iodine are potassium iodide, used extensively as an alterative in syphilis; thymol iodide, used for a surgical dressing; iodoform, which should be discarded; and the iodides of ammonium, sodium, strontium - all superfluous preparations.
Properties:
Iodoform: | Potass. Iod.: | Thymol Iod.: |
Appearance ............................................. | Appearance ............................................ | Appearance ............................................. |
Color ............................................................... | Color.......................................... | Color .......................................................... |
Odor ............................................................... | Odor ............................................................... | Odor ............................................................... |
Taste ............................................................... | Taste............................................................... | Taste ............................................................... |
 
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