Tincture of iodine
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Description
An alcoholic solution containing 7% Iodine and 5% iodide potassium iodide. Tincture of iodine is a reddish brown liquid that is used as an antiseptic and as a reagent for the detection of Starch.
Synonyms and Related Terms
Jodtinktur (Deut.)
Risks
- Toxic by ingestion.
- Skin contact causes irritation.
- ThermoFisher: [https://beta-static.fishersci.com/content/dam/fishersci/en_US/documents/programs/education/regulatory-documents/sds/chemicals/chemicals-i/S25944.pdf SDS}
Physical and Chemical Properties
Solution: Add 70g iodine and 50 g potassium iodide to 50 ml water. Dilute to 1 liter with ethanol.
Resources and Citations
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 417
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- CRC Handbook of Chemistry and Physics, Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: Solution: To 50 ml water add 70g I2 and 50 g KI to 50 ml water. Dilute to 1 liter with alcohol.